Searey LSA - Section 5 - Performance; 5.1 Takeoff Total Distance Over a Fixed-Height Obstacle Using Normal Takeoff Procedures; 5.1.1 Takeoff Distance

Searey LSA – Pilot’s Operating Handbook Version 5.0, Revision 8
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Section 5 - Performance
5.1 TAKEOFF TOTAL DISTANCE OVER A FIXED-HEIGHT OBSTACLE USING NORMAL
TAKEOFF PROCEDURES
Normal takeoff procedures are defined in Section 4.4. The charts in this
Section contain data establishing runway and waterway lengths for
takeoff, landing and climb performance at a gross weight of 1430 lbs.
5.1.1 TAKEOFF DISTANCE
The takeoff distance (ground run in feet) with full throttle, flaps deflected 20 and
a takeoff safety speed of 53 mph can be determined from the following data. The
takeoff distances are for a hard surface runway and/or waterway at sea level
conditions. Soft ground and/or wet grass will increase the land takeoff roll
distance by approximately 15% from the ground roll distance for land and pilots
should satisfy themselves that adequate runway is available to cover these
conditions.
A headwind of 10% of takeoff speed can decrease the takeoff roll by 19%
and a tailwind that is 10% of takeoff speed can increase the distance for
takeoff by 21%
Ground Take-off: Before commencing the takeoff roll, check that the
gear is in the fully “down” and locked position. To do this, check that both
landing gear lights are lit. After takeoff, retract the gear only after the
takeoff safety speed is reached and the aircraft is established in the
climb.
Water Take-off: The aircraft may be taxied slowly in the water with the
gear in the down position, when transitioning from land or water. Check
that the gear is retracted before commencing the takeoff run. Both green
landing gear position lights should be lit.
LAND:
912 ULS Powered, Adventure Configuration
Ground roll for takeoff to reach 1.2Vs1 = 350 ft.
(NOTE: Below with 1.2 safety factor for average pilot technique)