Textron Cessna 172R User Manual

CESSNA
MODEL
172R
SECTION
5
PERFORMANCE
The
resultant
cruise distance is:
Total
distance
Climb
distance
Cruise
distance
320
-J2
308
nm
With
an
expected
10
knot
headwind,
the
ground
speed
for
cruise
is
predicted
to
be:
109
-10
99
Knots
Therefore,
the
time
required
for
the cruise
portion
of
the
trip
is:
308
Nautical
Miles
=
3.1
Hours
99
Knots
The
fuel
required
for
cruise is:
3.1
hours
X
7.3
gallons/hour
=
22.7
Gallons
A
45-minute
reserve
requires:
45
£Q
X
7.3
gallons
/
hour
=
5.5
Gallons
The
total
estimated
fuel
required
is
as
follows:
Engine
start,
taxi,
and
takeoff
Climb
Cruise
Reserve
1.1
1.6
22.7
5.5
Total
fuel
required
30.9
Gallons
Once
the
flight
is
underway,
ground
speed
checks
will
provide
a
more
accurate
basis
for
estimating
the time
enroute
and
the
corresponding
fuel
required
to
complete
the
trip
with
ample
reserve.
Dec
2/96
5-7
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Textron Cessna 172R Specifications

General

Brand	Textron
Model	Cessna 172R
Category	Aircrafts
Language	English