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AI.VII.K.S9

Skill

Establish and maintain an appropriate planing attitude, directional control, and correct for porpoising, skipping, and increase in water drag.

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From the FAA library

  • SKIPPING › GLASSY WATER TAKEOFFS

    GLASSY WATER TAKEOFFS Glassy water makes takeoff more difficult in two ways. The smoothness of the surface has the effect of increasing drag, making acceleration and lift-off more difficult. This can feel as if there is suction between ... water and the floats. A little surface roughness actually helps break the contact between the floats and the water by introducing turbulence and air bubbles between water and the float bottoms. The intermittent contact between floats and water…

  • Chapter 6: Flight Controls › Flight Control Systems › Primary Flight Controls

    Flight Control Systems Flight Controls Aircraft flight control systems consist of primary and secondary systems. The ailerons, elevator (or stabilator), and rudder constitute the primary control system and are required to control an aircraft safely during flight. Wing flaps, leading ... edge devices, spoilers, and trim systems constitute the secondary control system and improve the performance characteristics of the airplane or relieve the pilot of excessive control forces. Primary Flight Controls Aircraft control systems are carefully designed to provide adequate responsiveness…

  • SKIPPING

    Right rudder pressure helps to maintain a straight takeoff path. In some cases, left aileron may also help to counter the tendency to turn left at low speeds, by increasing drag on the right side of the seaplane. Density altitude ... High, hot, and humid conditions reduce engine power and propeller efficiency, and the seaplane must also attain a higher water speed in order to generate the lift required for takeoff. This increase in water speed means overcoming additional water drag…

  • SKIPPING › ROUGH WATER TAKEOFFS

    Using the proper procedure during rough water operation lessens the abuse of the floats, as well as the entire seaplane. During rough water takeoffs, open the throttle to takeoff power just as the floats begin rising on a wave. This ... prevents the float bows from digging into the water and helps keep the spray away from the propeller. Apply a little more back elevator pressure than on a smooth water takeoff. This raises the nose to a higher angle…

  • SKIPPING › CROSSWIND TAKEOFFS › USING WATER RUDDERS

    USING WATER RUDDERS Another technique for maintaining a straight takeoff path involves leaving the water rudders down to assist with steering. Using the water rudders provides added directional control until the aerodynamic controls become effective. To use this technique, align ... accelerates, use enough aileron pressure to keep the upwind wing down. The downwind float should lift free of the water first. After lift-off, make a coordinated turn to establish the proper crab angle for the climb, and retract…

  • LANDING › ROUGH WATER LANDING

    pilot can be certain that the landing configuration and 150 f.p.m. descent will be established well above the water’s surface, starting the final glide nearer the surface shortens the descent time and overall landing length. This technique usually produces ... long, shallow glide consumes considerable landing distance. Be certain there is sufficient room for the glide, touchdown, and water run. ROUGH WATER LANDING Rough is a very subjective and relative term. Water conditions that cause no difficulty for small boats…