ALBATROSS KNOWLEDGE GRAPH METADATA
Version 4.1
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IDENTITY

Content ID:
LS-PT-AE-015B-001

Content Type Code:
LS

Domain Code:
PT

Topic Code:
AE15B

Sequence Number:
001

Knowledge Node ID:
KG-PT-AE15B-SIDE-SLIPS-CROSSWIND-LANDING

Knowledge Family:
Side Slips and Crosswind Landing Control

Entity Type:
Flight Training Lesson / Knowledge Graph Node

Lesson Title / Content Title:
Air Exercise 15B — Slipping: Side Slips & Crosswind Landing Technique #1

Short Title:
Side Slips & Crosswind Landing

Canonical Topic:
Side slips for crosswind landing

Alternative Topic Names:
Side slip, sideslip, wing-low landing, crosswind landing, crosswind correction, drift correction, wing into wind, rudder down the runway, crab-to-slip transition, crosswind touchdown, upwind wheel landing, side-slip landing technique

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CLASSIFICATION

Domain:
Pilot Training

Subdomain:
Basic Aircraft Handling / Approach and Landing

Category:
Air Exercises

Audience:
Student Pilot, Private Pilot Licence Candidate, Commercial Pilot Licence Candidate, Flight Instructor

Jurisdiction:
Canada / Transport Canada

Training System:
Transport Canada Aeroplane Flight Training

Certification Context:
Private Pilot Licence — Aeroplane, with later application to Commercial Pilot Licence training and operational crosswind landings

Stage:
Incubation

Phase:
Early PTR

Training Level:
Recognition and Early Execution

Estimated Study Time:
40–60 minutes

Estimated Flight Time:
0.7–1.0 hour

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CORE KNOWLEDGE

Primary Concept:
Using a controlled side slip during the final stage of a crosswind landing to eliminate drift while keeping the aircraft’s longitudinal axis aligned with the runway centreline.

Plain-Language Definition:
A side slip is a landing technique where the pilot lowers the upwind wing into the wind and uses opposite rudder to keep the nose pointed straight down the runway. This stops the aircraft from drifting sideways and allows touchdown without side load.

Technical Definition:
A side slip is an intentional crossed-control condition used to correct lateral drift during crosswind landing. The aircraft is banked into the wind to create a horizontal component of lift that counters crosswind drift, while opposite rudder maintains longitudinal-axis alignment with the runway. The result is a controlled touchdown with the aircraft tracking along the runway centreline and aligned with the landing direction.

Key Principles:
• A crosswind pushes the aircraft sideways relative to the runway.
• A crab corrects drift during the approach by pointing the nose into the wind.
• A side slip corrects drift for touchdown by banking into the wind.
• Opposite rudder keeps the aircraft’s nose aligned with the runway.
• The upwind wing is lowered to stop sideways drift.
• The rudder is used to align the longitudinal axis with the runway.
• Elevator maintains the desired approach attitude and airspeed.
• Bank and rudder must be adjusted continuously as wind changes.
• Touchdown should occur without sideways movement across the runway.
• In most light aircraft, the upwind main wheel normally touches first during a properly held crosswind side-slip landing.
• Aileron into the wind must be increased as airspeed decreases during rollout.
• The landing is not finished at touchdown; the aircraft must be flown until taxi speed.

Underlying Theory:
In a crosswind, the aircraft’s flight path and longitudinal axis do not naturally align with the runway. A crab can keep the aircraft tracking toward the runway, but if the crab is held through touchdown in many light aircraft, the landing gear may experience side loading. A side slip solves this by lowering the upwind wing to create a horizontal component of lift into the wind while using opposite rudder to keep the nose aligned with the runway. The FAA Airplane Flying Handbook identifies the crab method and the wing-low, or sideslip, method as two usual methods for crosswind approach and landing.  

Why It Matters:
A crosswind landing must control both drift and alignment. If the aircraft touches down while drifting sideways or while misaligned with the runway, side loads increase, directional control becomes harder, and runway excursion risk increases. Side slips teach the student to control the aircraft’s path, alignment, touchdown sequence, and rollout corrections in changing wind conditions.

Content Role:
Introduces, explains, demonstrates, and prepares the learner to practise side slips as the first crosswind landing technique.

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LEARNING FRAMEWORK

Learning Outcome:
By the end of this lesson, the learner should be able to safely transition from a crab to a side slip, lower the upwind wing, apply opposite rudder to align the nose with the runway, eliminate drift, touch down without sideways movement, and maintain directional control through rollout.

Core Competencies:
• Crosswind recognition
• Drift correction
• Runway centreline tracking
• Longitudinal-axis alignment
• Crab-to-slip transition
• Bank and rudder coordination
• Touchdown control
• Directional control after touchdown
• Go-around decision-making
• Aircraft limitation awareness
• Wind-correction control during rollout
• Continuous correction in gusty conditions

Performance Standard:
The learner should be able to:

• Maintain a stabilized approach before beginning the landing transition.
• Recognize drift relative to the runway centreline.
• Transition from crab to side slip at an appropriate point before touchdown.
• Lower the upwind wing enough to stop drift.
• Apply opposite rudder to align the nose with the runway.
• Maintain approach speed with elevator.
• Touch down without sideways drift.
• Normally touch the upwind main wheel first in a crosswind side-slip landing.
• Maintain centreline during touchdown and rollout.
• Increase aileron into the wind as airspeed decreases.
• Initiate a go-around if drift, alignment, speed, sink rate, or aircraft control cannot be maintained safely.
• Remain within POH/AFM limitations and crosswind guidance.

Transport Canada’s Private Pilot Flight Test Guide includes sideslip to correct for crosswind conditions during landing under Exercise 15, and the criteria include performing a slip appropriate to the flight profile or crosswind conditions and avoiding significant skidding manoeuvres.  

Prerequisites:
• LS-PT-AE-015A-001 — Air Exercise 15A: Forward Slips & Slipping Turns
• LS-PT-AE-011-001 — Air Exercise 11: Descending
• LS-PT-AE-016-001 — Air Exercise 16: Takeoffs
• LS-PT-AE-017-001 — Air Exercise 17: Circuit
• LS-PT-AE-018-001 — Air Exercise 18: Approach and Landing

Required Prior Knowledge:
• Primary and secondary effects of flight controls
• Coordinated and uncoordinated flight
• Forward slip versus side slip
• Drift and ground track
• Runway centreline tracking
• Crosswind components
• Crab angle
• Approach speed control
• Flare and touchdown sequence
• Rollout directional control
• Go-around decision-making
• Aircraft POH/AFM limitations

Common Student Errors:
• Waiting too long to transition from crab to side slip.
• Lowering the wrong wing.
• Not lowering the upwind wing enough to stop drift.
• Using too much rudder and misaligning the nose.
• Using rudder to chase centreline instead of using bank to control drift.
• Looking too close to the aircraft.
• Fixating on the aircraft nose instead of the runway perspective.
• Failing to maintain approach speed.
• Touching down while still drifting sideways.
• Relaxing crosswind corrections during the flare.
• Relaxing aileron after touchdown.
• Failing to increase aileron into the wind as the aircraft slows.
• Over-controlling during gusts.
• Confusing a side slip with a forward slip.
• Attempting to force a landing when a go-around is required.
• Ignoring demonstrated crosswind capability or aircraft limitations.
• Stopping active flying at touchdown instead of continuing through rollout.

Common Misconceptions:
• A crab and a side slip are the same thing.
• A side slip is just a forward slip close to the ground.
• Once the aircraft is aligned, the pilot can stop correcting.
• Rudder controls drift.
• Aileron points the nose down the runway.
• A crosswind landing is over once the wheels touch.
• A demonstrated crosswind component is the same thing as a legal limitation in every aircraft.
• A side slip is always safe regardless of flap position.
• A crab can always be held through touchdown in a light aircraft.
• A go-around means the crosswind landing attempt failed.

Frequently Asked Questions:
• What is the purpose of a side slip?
To eliminate drift while keeping the aircraft aligned with the runway for touchdown.

• How does a side slip differ from a forward slip?
A forward slip is mainly used to lose altitude. A side slip is mainly used to stop drift and maintain runway alignment.

• Which wing is lowered?
The upwind wing is lowered into the wind.

• Why is opposite rudder required?
Because lowering one wing creates a turning tendency. Opposite rudder keeps the nose aligned with the runway.

• Does the rudder stop drift?
No. Bank into the wind stops drift. Rudder aligns the nose with the runway.

• Which wheel touches first?
In a properly held wing-low crosswind landing, the upwind main wheel normally touches first.

• When should the crab-to-side-slip transition occur?
Late enough to avoid excessive workload during the full approach, but early enough to stabilize drift correction and alignment before touchdown.

• Can a side slip be used with flaps?
Only if permitted by the aircraft POH/AFM.

• What should the pilot do if drift cannot be removed?
Go around.

• Why are continuous corrections required?
Because wind direction and speed change constantly, especially close to the ground and during the flare.

Instructor Emphasis:
• Teach the difference between forward slip and side slip repeatedly.
• Emphasize that bank controls drift and rudder controls alignment.
• Make the student verbalize “wing into wind, rudder down runway.”
• Teach that crosswind control continues after touchdown.
• Demonstrate a go-around from the side-slip position.
• Use outside runway references instead of letting the student chase instruments.
• Emphasize that the correct answer to excessive drift is not forcing the aircraft onto the runway; it is going around.
• Connect the lesson directly to the next crosswind lesson and to later accident-prevention content.

Transport Canada’s Flight Instructor Guide lists side-slipping and slipping turns under Exercise 15 and connects the exercise to losing excess height and crosswind landing technique.  

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OPERATIONAL CONTEXT

Operational Link:
Side slips are used during crosswind landings to remove drift and align the aircraft with the runway before touchdown. The manoeuvre connects basic aircraft handling directly to real landing safety, because crosswind landings require precise control of flight path, alignment, and rollout.

Real-World Applications:
• Crosswind landings
• Gusty landings
• Narrow-runway operations
• Short-runway operations
• Grass-strip operations
• Gravel-strip operations
• Tailwheel operations
• Bush flying
• Training circuits
• Forced or precautionary approaches with crosswind
• Runway alignment correction before touchdown
• Rollout wind-correction control

Related Aircraft Systems:
• Aileron control system
• Rudder control system
• Elevator control system
• Landing gear
• Nosewheel steering, where installed
• Tailwheel steering, where applicable
• Brakes
• Flap system
• Pitot-static system
• Airspeed indicator
• Stall-warning system
• Flight-control stops and control effectiveness limits

Related Human Factors:
• Fixation on the aircraft nose
• Looking too close to the runway
• Late correction
• Startle during gusts
• Over-controlling
• Under-controlling due to reluctance to bank near the ground
• Plan continuation bias
• Reluctance to go around
• Confusion between drift and alignment
• Misuse of rudder to chase centreline
• Workload increase during the flare
• Loss of attention after touchdown
• Crosswind confidence exceeding skill level

Related Regulations:
• CAR 602.07 — Aircraft Operating Limitations
• Applicable aircraft POH/AFM operating limitations
• Applicable aircraft placards
• Flight training unit procedures
• Aircraft-specific crosswind and flap-use guidance

CAR 602.07 requires the aircraft to be operated in accordance with limitations contained in the aircraft flight manual, approved documents, markings, and placards, which is why POH/AFM slip and flap limitations must override general technique.  

Related Flight Test Standards:
Transport Canada Private Pilot Licence — Aeroplane Flight Test Guide, Exercise 15 — Slipping:

• Smoothly establish an effective slip.
• Perform a slip appropriate to the flight profile or crosswind conditions.
• Recover smoothly to coordinated flight.
• Avoid any significant skidding manoeuvre.

Transport Canada recognizes that slipping may be assessed during normal, precautionary, or forced landing approaches, and includes sideslip for crosswind correction during landing.  

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KNOWLEDGE RELATIONSHIPS

Previous Lesson:
LS-PT-AE-015A-001 — Air Exercise 15A: Forward Slips & Slipping Turns

Current Lesson:
LS-PT-AE-015B-001 — Air Exercise 15B: Slipping — Side Slips & Crosswind Landing Technique #1

Next Lesson:
LS-PT-AE-018X-001 — Air Exercise 18X: Crosswinds

Parent Concepts:
• Aircraft Control
• Crosswind Landing
• Approach and Landing
• Drift Correction
• Runway Alignment
• Uncoordinated Flight
• Visual Flight Training
• Primary Flight Training

Child Concepts:
• Crosswind drift
• Crab approach
• Crab-to-slip transition
• Upwind wing-low correction
• Opposite rudder alignment
• Side-slip touchdown
• Upwind main-wheel touchdown
• Rollout wind correction
• Aileron into wind after touchdown
• Directional control during rollout
• Crosswind go-around decision
• Slip limitations with flap

Sibling Concepts:
• Forward slips
• Slipping turns
• Crosswind takeoffs
• Crabbed approaches
• De-crab technique
• Normal landings
• Short-field landings
• Soft-field landings
• Forced approaches
• Precautionary approaches
• Skids and skidding turns
• Go-arounds and overshoots

Supports:
• Air Exercise 18X — Crosswinds
• Air Exercise 15C — Accident Prevention: Skids & Skidding Turns
• Circuit training
• Approach and landing
• Short-field landings
• Soft-field landings
• Grass and gravel operations
• Tailwheel aircraft handling
• Commercial pilot accuracy training
• Operational runway-condition judgment
• Advanced crosswind decision-making

Supported By:
• Attitudes and Movements
• Descending
• Turning
• Slow Flight
• Forward Slips & Slipping Turns
• Circuit Introduction
• Approach and Landing Introduction
• Coordinated-flight principles
• Drift and ground-track awareness
• Basic wind correction

Related Lessons:
• LS-PT-AE-005-001 — Air Exercise 5: Attitudes and Movements
• LS-PT-AE-008-001 — Air Exercise 8: Descending
• LS-PT-AE-009-001 — Air Exercise 9: Turning
• LS-PT-AE-011-001 — Air Exercise 11: Slow Flight
• LS-PT-AE-015A-001 — Air Exercise 15A: Forward Slips & Slipping Turns
• LS-PT-AE-015C-001 — Air Exercise 15C: Accident Prevention — Skids & Skidding Turns
• LS-PT-AE-016-001 — Air Exercise 16: Takeoffs
• LS-PT-AE-017-001 — Air Exercise 17: Circuit
• LS-PT-AE-018-001 — Air Exercise 18: Approach and Landing
• LS-PT-AE-018X-001 — Air Exercise 18X: Crosswinds
• LS-PT-AE-021-001 — Air Exercise 21: Precautionary Landing
• LS-PT-AE-022-001 — Air Exercise 22: Forced Landing

Related Weather Topics:
• Crosswind
• Headwind
• Tailwind
• Gusts
• Wind direction
• Wind velocity
• Wind gradient
• Mechanical turbulence
• Surface friction
• Wind shear near the ground
• Runway wind assessment
• Variable wind
• Crosswind component
• Gust factor
• Weathercocking tendency

Related Navigation Topics:
• Runway centreline tracking
• Ground track
• Aircraft heading
• Runway alignment
• Aiming point
• Visual glidepath
• Crab angle
• Drift correction
• Runway width perception
• Touchdown zone
• Circuit final approach path
• Base-to-final alignment

Related Human Factors:
• Fixation
• Looking too close to the aircraft
• Delayed decision-making
• Go-around hesitation
• Overconfidence
• Startle in gusts
• Control reversal or input confusion
• Perceptual narrowing during landing
• Attention loss after touchdown
• Instructor-student transfer of control
• Plan continuation bias
• Normalization of poor crosswind technique

Related Emergencies:
• Crosswind go-around
• Loss of directional control during landing
• Runway excursion risk
• Landing gear side-load event
• Gust-induced drift near touchdown
• Excessive sink during flare
• Inadvertent skid close to the ground
• Flap limitation conflict
• Unstable approach requiring overshoot

Related Articles:
Proposed: ART-PT-AE15B-001 — Why Side Slips Stop Drift
Proposed: ART-PT-AE15B-002 — Crab Versus Side Slip in Light Aircraft
Proposed: ART-PT-AE15B-003 — Why Landing While Drifting Damages Aircraft
Proposed: ART-PT-AE15B-004 — The Landing Is Not Finished at Touchdown

Related Diagrams:
Proposed: DIA-PT-AE15B-001 — Crosswind Drift Without Correction
Proposed: DIA-PT-AE15B-002 — Crab Approach Versus Side Slip
Proposed: DIA-PT-AE15B-003 — Wing-Low Side-Slip Control Inputs
Proposed: DIA-PT-AE15B-004 — Horizontal Component of Lift Into Wind
Proposed: DIA-PT-AE15B-005 — Crosswind Touchdown Sequence

Related Illustrations:
Proposed: ILL-PT-AE15B-001 — Upwind Wing Low on Final
Proposed: ILL-PT-AE15B-002 — Nose Aligned With Runway
Proposed: ILL-PT-AE15B-003 — Upwind Main Wheel Touchdown
Proposed: ILL-PT-AE15B-004 — Rollout With Aileron Into Wind

Related Infographics:
Proposed: INF-PT-AE15B-001 — Forward Slip for Height, Side Slip for Alignment
Proposed: INF-PT-AE15B-002 — Wing Into Wind, Rudder Down Runway
Proposed: INF-PT-AE15B-003 — Crosswind Landing Control Map
Proposed: INF-PT-AE15B-004 — Crab-to-Side-Slip Transition
Proposed: INF-PT-AE15B-005 — Crosswind Landing Errors
Proposed: INF-PT-AE15B-006 — Fly It Until Taxi Speed

Related Videos:
Proposed: VID-PT-AE15B-001 — Side-Slip Instructor Demonstration
Proposed: VID-PT-AE15B-002 — Crab-to-Side-Slip Transition
Proposed: VID-PT-AE15B-003 — Crosswind Touchdown Sequence
Proposed: VID-PT-AE15B-004 — Go-Around From a Side Slip
Proposed: VID-PT-AE15B-005 — Rollout Wind Correction

Related Animations:
Proposed: ANI-PT-AE15B-001 — Crosswind Drift and Side-Slip Correction
Proposed: ANI-PT-AE15B-002 — Horizontal Lift Component Into Wind
Proposed: ANI-PT-AE15B-003 — Upwind Wheel Touchdown Sequence
Proposed: ANI-PT-AE15B-004 — Aileron Into Wind During Rollout

Related Worksheets:
Proposed: WS-PT-AE15B-001 — Crosswind Component and Landing Technique Worksheet
Proposed: WS-PT-AE15B-002 — Crab Versus Side Slip Scenario Worksheet
Proposed: WS-PT-AE15B-003 — POH Crosswind and Slip Limitation Review
Proposed: WS-PT-AE15B-004 — Drift and Alignment Recognition Worksheet

Related Checklists:
Proposed: CL-PT-AE15B-001 — Side-Slip Landing Technique Checklist
Proposed: CL-PT-AE15B-002 — Crosswind Landing Go-Around Decision Checklist
Proposed: CL-PT-AE15B-003 — Rollout Wind Correction Checklist

Related Quizzes:
Proposed: QZ-PT-AE15B-001 — Side Slips & Crosswind Landing Knowledge Check
Proposed: QZ-PT-AE15B-002 — Crosswind Drift Correction Scenario Quiz
Proposed: QZ-PT-AE15B-003 — Forward Slip Versus Side Slip Review

Related Downloads:
Proposed: DL-PT-AE15B-001 — Side-Slip Crosswind Landing Quick Reference
Proposed: DL-PT-AE15B-002 — Wing-Low Landing Debrief Sheet
Proposed: DL-PT-AE15B-003 — Crosswind Landing Decision Card

Related Glossary Terms:
Proposed: GL-PT-SIDE-SLIP
Proposed: GL-PT-FORWARD-SLIP
Proposed: GL-PT-CROSSWIND
Proposed: GL-PT-DRIFT
Proposed: GL-PT-CRAB
Proposed: GL-PT-GROUND-TRACK
Proposed: GL-PT-RUNWAY-ALIGNMENT
Proposed: GL-PT-UPWIND-WING
Proposed: GL-PT-WING-LOW-METHOD
Proposed: GL-PT-CROSSWIND-COMPONENT
Proposed: GL-PT-DEMONSTRATED-CROSSWIND
Proposed: GL-PT-GO-AROUND

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CAUSE & EFFECT

Cause-and-Effect Relationships:
• If a crosswind exists, the aircraft tends to drift sideways relative to the runway.
• If the aircraft is crabbed into wind, the ground track can align with the runway while the nose points partly into the wind.
• If the aircraft remains crabbed through touchdown in many light aircraft, landing gear side loads may increase.
• If the upwind wing is lowered, a horizontal component of lift is created into the wind.
• If the horizontal component of lift equals the crosswind’s sideways effect, drift stops.
• If the upwind wing is not lowered enough, the aircraft continues drifting downwind.
• If too much bank is used, the aircraft may drift upwind or create excessive wing-low attitude close to the ground.
• If rudder is applied opposite the bank, the aircraft’s nose can be aligned with the runway.
• If rudder is insufficient, the aircraft may not align with the runway.
• If rudder is excessive, the nose may point away from the runway direction and directional control may degrade.
• If bank and rudder are correctly balanced, the aircraft tracks along the runway with the longitudinal axis aligned for touchdown.
• If wind changes during the flare, bank and rudder must change with it.
• If the pilot stops correcting during the flare, drift may return before touchdown.
• If the aircraft touches down while drifting, side load increases on the landing gear.
• If the upwind main wheel touches first, the aircraft is better positioned to continue resisting crosswind drift.
• If aileron into wind is relaxed after touchdown, the upwind wing may rise as airspeed decreases and crosswind effect continues.
• If aileron into wind is increased during rollout, the pilot maintains better crosswind control as lift decreases.
• If directional control cannot be maintained, the correct action is to go around if airborne or maintain control and stop safely if already on the ground.
• If the aircraft is outside its demonstrated capability or the pilot’s ability, the landing attempt should not continue.
• If flap-and-slip combinations are restricted by the POH/AFM, those restrictions must override general crosswind technique.
• If the student confuses side slip with forward slip, the student may focus on descent instead of drift correction.
• If the student uses rudder to chase runway centreline instead of using bank to stop drift, the landing may become unstable.
• If the student looks too close to the aircraft, drift recognition becomes late and inaccurate.
• If the student looks farther down the runway, alignment and drift cues improve.

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DISCOVERY

Discovery Keywords:
side slip, sideslip, crosswind landing, wing-low landing, wing low method, crab to slip, crab-to-sideslip, crosswind correction, drift correction, landing drift, runway alignment, upwind wing, opposite rudder, rudder down runway, wing into wind, upwind main wheel, crosswind touchdown, crosswind rollout, demonstrated crosswind component, landing gear side load, side loading, go-around crosswind, crosswind flare, crosswind landing technique, light aircraft crosswind landing

Alternative Search Phrases:
• How do you land in a crosswind?
• What is a side slip?
• What is a sideslip landing?
• How do you stop drift during landing?
• Which wing is lowered during a crosswind landing?
• Why use opposite rudder in a side slip?
• What is the wing-low method?
• What is the difference between crab and side slip?
• What is the difference between forward slip and side slip?
• Should the upwind wheel touch first?
• Why do you keep aileron into the wind after landing?
• When should you go around in a crosswind?
• Can you land while crabbed?
• Why is landing while drifting dangerous?
• How do you transition from crab to side slip?
• What is crosswind drift?
• What are common crosswind landing mistakes?

Abbreviations:
• PPL — Private Pilot Licence
• CPL — Commercial Pilot Licence
• PTR — Pilot Training Record
• TC — Transport Canada
• FTM — Flight Training Manual
• FIG — Flight Instructor Guide
• POH — Pilot’s Operating Handbook
• AFM — Aircraft Flight Manual
• ASI — Airspeed Indicator
• IAS — Indicated Airspeed
• AGL — Above Ground Level
• SOP — Standard Operating Procedure
• FTU — Flight Training Unit
• XWIND — Crosswind
• RWY — Runway

Common Misspellings:
• side slip
• sideslip
• side-slip
• side slipping
• sideslipping
• wing low
• wing-low
• cross wind
• crosswind
• cross-wind
• crab landing
• crabbing landing
• drift correction
• rudder down the runway
• rudder down runway
• up wind wing
• upwind wing
• aileon
• aileron
• ailron
• demonstrated crosswind
• demostrated crosswind

Not To Be Confused With:
• Forward slip for losing altitude
• Slipping turn
• Skidding turn
• Crab-only approach
• De-crab touchdown technique
• Normal landing in calm wind
• Drift during approach
• Runway alignment error
• Side-load landing
• Tailwheel wheel landing technique
• Cross-control stall
• Spin entry
• Spiral dive
• Rudder-only correction
• Aileron-only correction

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AUTHORITY

Primary References:
• Transport Canada Flight Training Manual — Exercise 15: Slipping
• Transport Canada Flight Instructor Guide — Aeroplane, TP 975, Exercise 15
• Transport Canada Flight Test Guide — Private Pilot Licence — Aeroplane, TP 13723E, Exercise 15
• Applicable aircraft POH/AFM

Supporting References:
• FAA Airplane Flying Handbook — Crosswind Approach and Landing
• Transport Canada Flight Test Guide — Commercial Pilot Licence — Aeroplane, TP 13462E
• Aircraft manufacturer operating manuals
• Flight training unit SOPs
• Instructor standardization material

Transport Canada References:
• Flight Training Manual — Exercise 15: Slipping
• Flight Instructor Guide — Aeroplane, TP 975
• Flight Test Guide — Private Pilot Licence — Aeroplane, TP 13723E
• Flight Test Guide — Commercial Pilot Licence — Aeroplane, TP 13462E
• Personnel Licensing and Training Standards — Standard 428, Schedule 3

Transport Canada’s Flight Test Guide describes Exercise 15 as including forward slips, slipping turns, and sideslips to correct crosswind conditions during landing.  

Aircraft References:
• POH/AFM normal landing procedures
• POH/AFM crosswind landing procedures
• POH/AFM demonstrated crosswind component
• POH/AFM flap limitations
• POH/AFM slip limitations
• Aircraft placards
• Manufacturer operating manual
• Aircraft checklist

Regulatory References:
• CAR 602.07 — Aircraft Operating Limitations
• Aircraft operating limitations, markings, and placards
• Applicable flight test standards
• Applicable flight training unit procedures

Industry References:
• FAA Airplane Flying Handbook — crosswind landing techniques
• Manufacturer operating manuals
• Flight school SOPs
• Operator-specific stabilized approach and go-around policies
• Tailwheel and bush-flying training material, where applicable

The FAA Airplane Flying Handbook identifies the crab method and the wing-low, or sideslip, method as the two usual crosswind approach and landing methods, which supports the lesson’s comparison between crabbed approach and side-slip touchdown technique.  

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AI CONTEXT

Knowledge Node Summary:
This node teaches the side-slip crosswind landing technique. It explains how lowering the upwind wing stops drift, how opposite rudder aligns the nose with the runway, how the pilot transitions from crab to side slip, and how the aircraft is controlled through touchdown and rollout.

Educational Purpose:
This content prepares early flight-training students to land safely in crosswind conditions by separating two critical tasks: controlling drift with bank and controlling alignment with rudder.

Context Window:
Before this lesson, the learner should understand forward slips, descending, basic turning, drift, approach control, and the circuit. During this lesson, the learner learns the wing-low side-slip method for touchdown. After this lesson, the learner develops broader crosswind judgment, studies skids and skidding-turn accident prevention, and applies the technique to real circuit, short-field, soft-field, forced-landing, and operational runway conditions.

AI Retrieval Context:
Air Exercise 15B is a Canadian Transport Canada-aligned early-PTR flight-training lesson for student pilots. It explains side slips as the crosswind landing technique used to eliminate drift while keeping the aircraft aligned with the runway. The lesson teaches that the upwind wing is lowered to stop sideways drift, opposite rudder keeps the nose aligned with the runway, elevator maintains approach speed, and aileron into the wind must continue through rollout. It distinguishes side slips from forward slips: forward slip for height, side slip for alignment. It also emphasizes POH/AFM limitations, demonstrated crosswind capability, flap restrictions, changing wind corrections, and go-around judgment.

Related Knowledge Families:
• Slipping Flight and Cross-Controlled Energy Management
• Crosswind Landing
• Aircraft Attitudes and Movements
• Drift and Ground Track
• Approach and Landing
• Circuit Operations
• Runway Alignment
• Directional Control
• Go-Around Decision-Making
• Skid and Spin Prevention
• Tailwheel Handling
• Bush Flying Foundations
• Operational Landing Judgment

Retrieval Priority:
Core

AI Confidence Notes:
• General side-slip principles apply broadly, but aircraft-specific crosswind technique, flap use, slip limitations, and control authority must be verified in the applicable POH/AFM.
• Do not describe side slips as primarily altitude-losing manoeuvres; that belongs to forward slips.
• Do not describe rudder as the primary drift-control input; bank into wind stops drift, while rudder aligns the nose.
• Do not imply that demonstrated crosswind component is always a legal maximum limitation. It may be a demonstrated capability rather than a strict limitation depending on the aircraft documentation.
• Do not imply a side slip is always the correct answer. If drift, alignment, sink rate, airspeed, runway position, or control authority cannot be managed safely, the correct decision is a go-around.
• Do not merge this lesson with Air Exercise 15C. Skids and skidding-turn accident prevention are related but require separate emphasis.
• When discussing crosswind technique, distinguish between the crab method, de-crab method, and wing-low side-slip method.
• Transport Canada recognizes sideslip for crosswind correction in Exercise 15, and FAA guidance recognizes crab and wing-low/sideslip as usual crosswind approach and landing methods.  

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TEACHING FRAMEWORK

Teach As:
Forward slip for height. Side slip for alignment (so you don’t get blown to the side).

Mental Model:
Think of the landing as two separate problems:

• Drift problem: the wind is pushing the aircraft sideways.
• Alignment problem: the aircraft’s nose must point down the runway.

The upwind wing solves the drift problem.
The rudder solves the alignment problem.

Decision Rule:
Drifting at touchdown?

• Lower the upwind wing.
• Use rudder to point the nose down the runway.
• Keep correcting until touchdown and rollout.
• Go around if the aircraft cannot be aligned, centred, slowed, and controlled safely.

Memory Aid:
Wing Into Wind — Rudder Down Runway

Expanded Recall Phrase:
Wing into wind stops drift.
Rudder down runway aligns the nose.
Aileron stays into wind after touchdown.
Fly it until taxi speed.

Instructor Notes:
• Start the lesson by contrasting forward slip and side slip.
• Use the phrase “height versus alignment” to anchor the distinction.
• Teach the student to recognize drift using runway edges and centreline movement, not just the aircraft nose.
• Demonstrate the crab first, then the transition to side slip.
• Show that bank and rudder are not fixed positions; they are continuously adjusted.
• Demonstrate too little bank, too much rudder, and late transition at a safe height or in controlled training conditions.
• Teach the student that the aircraft should not touch down while moving sideways across the runway.
• Emphasize that the upwind main wheel normally touches first during a properly held wing-low crosswind landing.
• Continue coaching after touchdown; many students stop flying once the wheels contact the runway.
• Demonstrate increasing aileron into the wind as airspeed decreases during rollout.
• Include a go-around from the side-slip position so the student does not treat the landing as mandatory.
• Review POH/AFM crosswind guidance and slip-with-flap limitations before flight.
• Use the scenario Runway 36 with wind from the west to reinforce that the left wing is lowered and right rudder aligns the nose.
• Avoid teaching side slip as a dramatic crossed-control manoeuvre; teach it as precise, calm alignment work near the runway.
• Build the lesson toward Air Exercise 18X — Crosswinds and Air Exercise 15C — Skids & Skidding Turns.

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VERSION CONTROL

Version:
1.0

Author:
Normand Bidal — Albatross Pilot Pathway

Technical Reviewer:
To be assigned

Educational Reviewer:
To be assigned

Date Created:
2026-07-15

Last Updated:
2026-07-15

Review Frequency:
Annual, when Transport Canada references change, or when aircraft-specific guidance is added

Next Review Date:
2027-07-15

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