(   4"  /  10  cm  Diameter  )

JEPPESEN, Denver, Colorado / USA      Model » CSG-9 «      (1976)
                          The Main Chapters of the Manual are ...

1st picture = WIND SIDE of the Flight Computer:
The  WIND SIDE  of the computer consists of a rotating azimuth
and a rectangular grid that slides up and down through the
azimuth. The  SLIDING GRID  has two sides, a low speed and a high
speed side (see 2nd picture: left w. Statute Miles, SECT.& WAC.
and right w. Nautical Miles, SECT.& WAC.).  The azimuth circle
rotates freely and is graduated into 360°. The transparent
portion is frosted so that it can be written on with a pencil.

 o Determining Ground Speed and True Heading
 o Finding Unknown Wind
 o Finding Altitude for Most Favorable Winds
 o Radius of Action

2nd picture = 2nd Side of the Slide
& CALCULATOR SIDE of the Flight Computer:
The  CALCULATOR  of the computer consists of a special circular
slide rule with 10..100 scales for multiplication and division.
The associated third scale is calibrated in hours and minutes.

 o Time and Distance
 o Fuel Consumption
 o True Airspeed
 o Convering Mach Number to True Airspeed
 o Changing Nautical Values to Statute Equivalents,
   Statute to Nautical, and Statute to Kilometers
 o Multi-Part Problems
 o Finding Drift Angles (Off-Course Problem)
 o Time and Distance to a VOR Station
 o True Altitude
 o Density Altitude
 o Multiplication and Division
 o Conversions...

The  Flight Computer  is made of  aluminum  and  came in a  clear
soft-plastic case  with a (56 pages) instruction book.

        Have a look at a Similiar Version: SANDERSON SC-3B

                    Historical Remarks ...
© C.HAMANN   12/13/11