Beechcraft Duchess 76 - Page 115

BEECHCRAFT
Duchess 76
section V
Performance
Enter the graph for Descent at 11 ,500 feet to the descent
line, and
enter again at 3965 feet to the descent line, and
read:
Time to Descend
= 10 - 4 = 6 min
Fuel Used to Descend
= 3.35 - 1.28 = 2.07 gal
Distance to Descend
= 32 - 11 = 21 NM
Time and fuel used were calculated at Recommended Cruise
Power -
24 in. Hg 2500 RPM as follows:
T
. Distance
Ime
=
Ground Speed
Fuel Used
= (Time) (Total Fuel Flow)
Results are:
FUEL
EST TIME AT USED
GROUND CRUISE
FOR
ROUTE DISTANCE
SPEED
ALTITUDE CRUISE
SEGMENT NM
KNOTS
HRS: MIN
GAL
DEN-COS
·41
184
: 13 3.8
COS-PUB 40
183
: 13
3.7
PUB-TBE
74 143
:
31 8.9
TBE-DHT 87
146
: 36 10.2
DHT-AMA
*44 148
: 18
5.1
·Distance required to climb or descend has been subtracted
from segment distance.
January 1978
5-11