10-1-10 ENSTROM 280FX OPERATOR’S MANUAL
FAA Approved: Mar 26/12 Rev. 6
Report No. 28-AC-020 Feb 21/12
SECTION V. PERFORMANCE
RESTRICTED CATEGORY
Figure 10-1-1. V
NE
vs. Density Altitude
V
NE
Demonstrated at 334 Rotor RPM
ENSTROM 280FX OPERATOR’S MANUAL 10-1-15
FAA Approved: Oct 25/17 Rev. 11
Report No. 28-AC-020 Sep 20/17
SECTION VI. WEIGHT AND BALANCE
A new weight and balance should be calculated per the
instructions in Section 6 of the Basic Rotorcraft Flight
Manual using the following information:
Table 10-1-1. Weight and Balance Information
ITEMS INSTALLED
WEIGHT
(lb)
ARM
(in)
MOMENT
(in-lb)
Wet system – removable
portion
113.65 107.77 12,247.59
Dry system – removable
portion
71.35 97.60 6,963.47
Items remaining on
helicopter (Normal category)
13.25 89.94 1,191.12
Dispersal tank load 95.0
ITEMS REMOVED
WEIGHT
(lb)
ARM
(in)
MOMENT
(in-lb)
Land gear fairings -8.0 96.75 -774.00
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