ENSTROM 280FX OPERATOR’S MANUAL
10-2-11
FAA Approved: Mar 26/12
Rev. 6
Report No. 28-AC-020
Feb 21/12
SECTION IV. NORMAL PROCEDURES
10-2-10. Rotor Engagement (On Water)
Prior to engaging the rotor, the helicopter should either be
secured or set adrift in an area sufficient to make at least one
rotation due to engagement rotor torque. Allowance should
be given for helicopter drift.
Apply full left pedal and then follow normal engagement
procedures until needles marry, then smoothly advance
throttle until tail rotor becomes effective.
10-2-11. Flight Information
Taxi at slow speeds with partial collective to prevent float
bows from nosing under. Safe taxiing has been demonstrated
in waves up to 18 inches (trough to crest).
10-2-12. Running Landing
1. Maximum recommended water contact speed is 30 MPH.
Reduce speed on rough water.
2. After water contact, avoid rapid lowering of collective
pitch.
NOTE
To avoid possible float damage on land, use
minimum ground contact speed.
10-2-13. Base Altitude Change
Before flight, check float pressure. Normal pressure is 1.5
psig.
1. For flights to lower altitude: Over-inflate at base altitude
0.5 psig per 1000 ft anticipated altitude change (6.5 psig
maximum inflation pressure).
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