Piper ARCHER III Pilot Operating Handbook page 143

PA-28-181, ARCHER III
•
(e) Cruise
the previously calculated distance to climb and distance Lo descend
to establish the total cruise distance. Refer LO the appropriate engine
Operator's Manual when selecting the cruise power setting. The
established pressure altitude and temperature values and the selected
cruise power should now be utilized to determine the true airspeed
from the appropriate Speed Power graph (Figure 5-21, 5-23, 5-25 and
5-27).
the information provided by the engine Operator's Manual.
cruise speed and the cruise fuel is found by multiplying the cruise fuel
flow by the cruise time.
•
flight planning example are as follows:
•
*reference Figure 5-23
ISSUED: December 22, 2017
REVISED: June 17, 2019
Using Lhe total distance to be traveled during the flight, subtract
Calculate the cruise fuel flow for the cruise power setting from
The cruise Lime is found by dividing the cruise distance by the
The cruise calculations established for the cruise segment of the
(I)
Total Distance
(2) Cruise Distance
(e)( l ) minus (c)(4) minus (d)(2),
(314 nm minus 12 nm
(3) Cruise Power
(4) Cruise Speed
(5) Cruise Fuel Consumption
(6)
Cruise Time
(e)(2) divided by (e)(4),
(282 nm divided by 117 kts)
(7) Cruise Fuel
(e)(5) multiplied by (e)(6),
(9.5 gal./hr multiplied by 2.4 hrs)
PERFORMANCE
minus
20 nm)
REPORT: VB-2749
SECTION 5
314 naul. miles
282 naut. miles
65%
117 Kts. *
9.5 gaL/hr.
2.4 hrs.
22.8 gal.
5-7