Cessna 182S Pilot Operating Handbook page 116

CESSNA
MODEL 182S
SECTION 5
PERFORMANCE
With an expected 10 knot headwind, the ground speed for cruise is
predicted to be :
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134
-10
124 Knots
Therefore, the time required for the cruise portion of the trip is:
429 Nautical Miles = 3.5 Hours
124 Knots
The fuel required for cruise is:
3.5 hours X 11.3 gallons/hour = 39. 1 Gallons
A 45-minute reserve requires:
45
60 X 11.3 gallons / hour = 8.5 Gallons
The total estimated fuel req uired is as follows:
Engine start, taxi, and takeoff
Climb
Cruise
Reserve
Total fu el required
1.7
3. 1
39. 1
8.5
52.4 Gallons
Once the flight is unde rway, ground speed checks will provide a
more accu rate basis for estimating the time enroute and the
corresponding fuel requ ired to complete the trip with ample reserve.
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Nov 15/00 5-7