ENSTROM 280FX OPERATOR’S MANUAL
4-11
FAA Approved: Mar 12/19
Rev. 12
Report No. 28-AC-020
Dec 3/18
corrosion, and condition and security of blade tape, if
installed.
34. Check operation of all lights for night flight.
4-6. Before Starting Engine
1. Seat belts fastened and doors latched.
2. Flight controls – check for full travel. Center cyclic and
pedals.
3. Throttle – OFF.
4. Set throttle friction so that slight effort is required to
rotate the throttle.
NOTE
For the throttle correlator to operate correctly,
the throttle friction must be set high enough to
prevent the throttle grip from turning on its own
when the collective is raised or lowered.
5. Collective full down and locked.
6. Fuel valve ON (in).
7. Heater as desired (in for OFF).
8. Rotor clutch disengaged.
CAUTION
Starting helicopter with clutch engaged will not
damage rotor system but will severely overload
the starter motor.
9. Mixture control in idle cutoff position.
10. Check magnetic compass.
11. Altimeter set to field elevation.
12. Radio(s) OFF.
13. All switches off and circuit breakers set.
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