Rough Water Takeoff and Climb (ASES, AMES)
To determine the applicant exhibits satisfactory knowledge, risk management, and skills associated with rough water takeoff and climb. Note: If a rough water condition does not exist, the applicant must be evaluated by simulating the Task. Note: See Appendix 3: Aircraft, Equipment, and Operational Requirements & Limitations for information related to this Task.
Bottom line
The objective in a rough water takeoff is similar to that of a rough or soft field takeoff in a landplane: to transfer the weight of the airplane to the wings as soon as possible, get airborne at a minimum airspeed, accelerate in ground effect to a safe climb speed, and climb out. During rough water takeoffs, open the throttle to takeoff power just as the floats begin rising on a wave. In most cases an experienced seaplane pilot can safely take off in rough water, but a beginner should not attempt to take off if the waves are too high.
FAA references
- SEA ch. 4 (p. 4-16) — FAA-H-8083-23
Knowledge
Risk management
- AA.III.E.R1: Selection of the takeoff path based on aircraft limitations, available distance, surface conditions, and wind.
- AA.III.E.R2: Abnormal operations, including planning for:
- AA.III.E.R2a: a. Rejected takeoff
- AA.III.E.R2b: b. Potential engine failure in takeoff/climb phase of flight
- AA.III.E.R3: Collision hazards.
- AA.III.E.R4: Low altitude maneuvering, including stall, spin, or controlled flight into terrain (CFIT).
- AA.III.E.R5: Distractions, task prioritization, loss of situational awareness, or disorientation.
- AA.III.E.R6: Gear position in an amphibious airplane.
Skills
- AA.III.E.S1: Coordinate with crew, if applicable, and complete the appropriate checklist(s) prior to takeoff in a timely manner.
- AA.III.E.S2: Make radio calls as appropriate.
- AA.III.E.S3: Position the flight controls for the existing wind, if applicable.
- AA.III.E.S4: Verify the airplane is configured for takeoff.
- AA.III.E.S5: Clear the area; select appropriate takeoff path considering surface conditions and collision hazards.
- AA.III.E.S6: Retract the water rudders, as appropriate.
- AA.III.E.S7: Set and confirm takeoff power.
- AA.III.E.S8: Avoid excessive water spray on the propeller(s).
- AA.III.E.S9: Maintain directional control and proper wind-drift correction throughout takeoff and climb.
- AA.III.E.S10: Establish and maintain an appropriate planing attitude, directional control, and correct for porpoising, skipping, and increase in water dra
- AA.III.E.S11: Establish proper attitude and airspeed, lift off at minimum airspeed and accelerate to appropriate climb airspeed/V-speed, ±5 knots before l
- AA.III.E.S12: Retract the flaps after a positive rate of climb is established and a safe altitude has been achieved.
- AA.III.E.S13: Maintain takeoff power to a safe maneuvering altitude then set climb power.
- AA.III.E.S14: Follow noise abatement procedures, as practicable.
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