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Jeppesen Sanderson Techstar

Date of introduction:  1992 Display technology:  LCD multi segment
New price:   Display size:  3+6 * 7 lines
Size:  5.3" x 2.9" x 0.35"
 148 x 76 x 33 mm3
   
Weight:  2.9 ounces, 150 grams Serial No:  51369
Batteries:  4*AAA Date of manufacture:  
AC-Adapter:   Origin of manufacture:  China
Precision:  6 Integrated circuits:  
Memories:  1    
Program steps:   Courtesy of:  Joerg Woerner

This Jeppesen Sanderson Techstar is not related to Texas Instruments!

You have to know the other electronic Flight computers sold by Jeppesen Sanderson to understand the Techstar. The earlier avstar and prostar were nothing else than reprogrammed scientific calculators manufactured by Texas Instruments. Compare yourself:

Jeppesen Sanderson Flight computer Texas Instruments calculator
avstar (1980) TI-35 (1979)
avstar (1986) TI-35-II (1985)
prostar (1982) TI-55-II (1981)
prostar (1986) TI-55-III (1985)

And the base of this sophisticated Flight computer introduced in 1992?

It is an original design heavily influenced by the famous Financial Investment Analyst FIA-10 introduced 1989.

Already in 1978 the Heathkit OCW-1401 defined the first non-calculator based Flight computer.


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If you have additions to the above article please email: joerg@datamath.org.

Joerg Woerner, December 5, 2001. No reprints without written permission.