ENSTROM 280FX OPERATOR’S MANUAL 2-9
FAA Approved: Mar 26/12 Rev. 6
Report No. 28-AC-020 Feb 21/12
4. Manifold pressure
10 in to 39 in Hg green arc
39.0 in Hg red line
Overboost light illuminates at approximately
39 in manifold pressure.
5. Engine oil temperature
245°F red line
120°-245°F green arc
60°-120°F yellow arc
6. Engine oil pressure
100 psi red line
60-100 psi green arc
25-60 psi yellow arc
25 psi red line
7. Cylinder head temperature
500°F red line
200°-500°F green arc
8. Exhaust gas temperature/Turbine inlet temperature
1650°F Maximum
(digital readout with placard)
9. Transmission oil temperature
225°F red line
0°-225°F green arc
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level of the 280FX Rotorcraft Flight Manual.
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