ENSTROM 280FX OPERATOR’S MANUAL 2-5
FAA Approved: Mar 26/12 Rev. 6
Report No. 28-AC-020 Feb 21/12
7. The lateral datum line is the centerline of the helicopter.
Lateral moment arms are positive right and negative left.
8. Lateral offset moment limits vary with weight (reference
Figure 6-2).
a. From 2025 lb to 2600 lb, limits are -3250 in-lb and
+3700 in-lb.
b. Below 2025 lb, reference Figure 6-2.
2-4. Airspeed
Power-on never exceed speed (V
NE
) is 117 MPH, IAS, sea level
to 3000 ft density altitude. Reference Figure 5-1 for
variations above 3000 ft and for variations with gross
weight/c.g. V
NE
for autorotation is 85 MPH or the power-on
V
NE
, whichever is lower.
NOTE
There are four V
NE
/altitude envelopes that apply to
this helicopter. Each envelope corresponds to one of
four gross weight /c.g. envelopes (reference Figure 5-
1).
2-5. Altitude
Maximum approved operating altitude is 12,000 ft density
altitude at 2350 lb. For variations of altitude with gross
weight, reference Figure 5-1.
NOTE
Takeoffs and landings at 2600 lb gross weight were
demonstrated to 7000 ft density altitude in all wind
conditions up to 20 MPH. DO NOT EXCEED ENGINE
LIMITATIONS.
This electronic document is not linked to a subscription for revision control or distribution. Refer to theTechnical
Publications Status link under the Technical Support Page of the Enstrom Helicopter website for the current revision
level of the 280FX Rotorcraft Flight Manual.
UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED
To Next Page
Loading...
