Jeppesen CR-3 Manual

JS314294E
NOTE
The plastic components of your computer
may warp if exposed to excessive heat or
sunlight . .. . 140° F or 60° C will do it.
© Jeppesen Sanderson, Inc., 1981, 1988. 1987. 1994
All Rights Reserved
55 Inverness Drive East, Engl ew ood, CO 80 11 2·5498
TABLE OF CONTENTS
PART A- CALCULATOR SIDE PART B-WIND SIDE
Time - Speed - Distance . . . . . . . . . 2 The CR "Wind'' Disc . . . . . . . . . . 30
Fuel Consumption . . . . . . . . . . 4 Addition - Subtraction . . . . . . . . . 32
Wind Solution on the CR . . . . . . . 33
Conversions . . . . . . . . . . . . . . . . . . 5
Flight Planning with
Weight of Fuel and Oil . . . . . . . 9 Forecast Winds . . . . . . . . . . . . 37
Finding Winds in Flight . . ... . .
41
Altitude . . . . . . . . . . . . . . . . . . . . 11
True Cow-se (Track! and
Density Altitude . . . . . . . . . . . 12 Ground Speed ....... ..... . 44
True Altitude . . . . . . . . . . . . . 12 True Heading and
True Air Speed . . . . . . . . . . . . 48
True Air Speed . . . . . . . . . . . . . .
14
OfT-Course Correction . . . . . . . . .
51
The CR Cursor . . . . . . . . . . . . 15 Radius of Action . . . . . . . . . . . . . 53
Mach Number ... . .• . • .... 17 Wind Components for
Temperature Rise . . . . . . . . . . 20
"Old" Method • True
Air Speed ..... . ... .... 21
Takeoff and Landing . . . . . . . 55
PART C-ANSWERS,
DEFINITIONS AND HINTS
P1·essure Pa tt-ern . . . . . . . . . . . . . 23 Answers
to
Practice Problems . . . 57
Slide Rule Use . . . . . . . . . . . . . . . 25 Definitions . . . . . . . . . . . . . . . . . . 58
Time and Distance to Station ... 28 Some Hints on the CR . . .. ..... 60