265 Shannon Lane
Priest River ID 83856
TITLE: Supplemental Airplane Flight Manual
A-10060
03/04/15
Cessna 206 on Model 3400 Floats
REVISION: D
FAA Approved
BEACHING – HEELING IN (stern of the floats on the beach) or NOSING
INTO SHALLOW GRADIENT WATER
The amphibian may be heeled into a beach, but with caution. Also use
caution when beaching, nose in, at shallow shore gradients. The wheel well
area can scoop sand, mud, rocks, or clay. A rock (deflector) shield is
provided to help prevent the debris from collecting underneath the main
gear truck. If the plane is secured with the step area embedded in the sand,
wave action can wash sand into the wheel well area. Clay or mud can also
stick in this area posing a problem. This can reduce clearances, because of
debris buildup, preventing the main gear truck from extending to the full
gear down position. The main landing gear has tremendous leverage as it
travels into its over-center position, and can damage the float and gear truck
if there is a restriction.
A method (no guarantees) of cleansing this area is proposed. With the gear
still retracted, after leaving the beach, aggressively plow the floats to flush
this area. This puts the plane at a high angle of attack and introduces water
for flushing. Do this a couple of times and even go up on the step for a
moment.
After washing the area and the airplane is at idle power lower the gear.
Assure that all the amber lights illuminate, indicating gear down position is
achieved. If a main gear light does not illuminate, proceed to inspect the
problem. Ideally, finding a float dolly which will lift the floats out of the
water with the gear retracted, will give opportunity to investigate the
problem.
Water operations with landing gear extended may be hazardous in
shallow water or in areas where submerged obstacles exist.
High speed water operations with landing gear extended is never
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