ENSTROM 280FX - Operating Limitations; Type of Operation; Airspeed Limitations; Altitude Limitations

10-2-4 ENSTROM 280FX OPERATOR’S MANUAL
FAA Approved: Mar 26/12 Rev. 6
Report No. 28-AC-020 Feb 21/12
SECTION II. OPERATING LIMITATIONS
10-2-3. Type of Operations
Normal operations from water at night are prohibited. This
helicopter is approved for operation under day-night VFR
non-icing conditions from land, and for day VFR non-icing
conditions from water.
10-2-4. Airspeed Limitations
1. Never Exceed Speeds
a. Envelope A V
NE
100 MPH IAS from sea level (SL) density
altitude (DA) to 3000 ft DA. For variations greater than
3000 ft DA, refer to the placards in 10-2-7 and Figure
10-2-1.
b. Envelope B V
NE
94 MPH IAS from SL to 3000 ft DA.
Refer to placard and Figure 10-2-1 for variations with
altitude.
c. Envelope D V
NE
85 MPH IAS at SL DA. Refer to placard
and Figure 10-2-1 for variations with altitude.
NOTE
For float operations, envelopes C and D have been
combined.
10-2-5. Altitude Limitations
1. No change from Basic Rotorcraft Flight Manual, except as
described in Paragraph 10-2-13 of this Supplement, Base
Altitude Change.
10-2-6. Center of Gravity Limitations
1. Reference Paragraph 10-2-15 of this Supplement for
approved c.g. limits and lateral offset moment.
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