Section V
Performance
BeECHCRAFT
Duchess
76
TIME - FUEL - DISTANCE
TIME FUEL DISTANCE
ITEM HRS: MINS GAL NM
Start, Runup,
Taxi, and Take-
off 0:00
2.7
0
Climb
:08
3.3
14
Cruise 1
:51
31.7
260
Descent
:06
2.1
21
Total 2:05 39.8
321
Total Flight Time: 2 hours, 5 minutes
Block Speed:
321
NM
-;-
2 hours, 5 minutes = 154 knots
Reserve Fuel: (45 minutes at Economy Cruise Power):
Enter the cruise power settings table for Economy
Cruise Power at 11,500 feet for
ISA
(assume ISA Fuel
Flow Rate).
Fuel Flow Per Engine
= 8.0 gallhr
Total Fuel Flow
= 16.0 gal/hr (96 Ibs/hr)
Reserve Fuel
= (45 min) (96 Ibs/hr) =
72
Ibs (12 gal)
Total Fuel
= 39.8 + 12.0 = 51.8 gallons
5-12
January
1978
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