ENSTROM 280FX OPERATOR’S MANUAL 4-17
FAA Approved: Jul 27/15 Rev. 10
Report No. 28-AC-020 Apr 15/15
10. Boost pump ON and low fuel pressure light is off.
11. Anti-collision and other lights ON, as required.
12. Annunciator panel – press to test – all lights should be
on when button is pushed.
13. Throttle friction.
14. Release collective lock.
WARNING
Keep hand on collective and maintain down
position when lock is disengaged.
4-12. Takeoff to Hover
1. Cyclic in neutral position.
2. Set engine RPM to 3000 RPM with collective full down.
NOTE
As throttle is increased to 3050 engine RPM, the
rotor RPM warning light will go out when main
rotor reaches 334 RPM.
3. Slowly and smoothly increase collective pitch and adjust
throttle as required to maintain RPM in the green arc
while raising collective to lift helicopter off the ground.
The correlator will maintain RPM in the green if the
throttle grip is not allowed to move, and if the helicopter
is flown smoothly.
4. Check TIT 1450-1500°F.
a. If EGT/TIT is above 1500°F, land and richen the
mixture slightly.
b. If EGT/TIT is below 1450°F, the mixture can be
leaned for more power.
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level of the 280FX Rotorcraft Flight Manual.
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