Old 8th Sep 2016, 06:26
  #46 (permalink)  
wiggy
 
Join Date: Feb 2001
Location: The Winchester
Posts: 5,331
Originally Posted by TurningFinalRWY36 View Post
If I remember correctly from ATPL studies an INS platform will happily accept any Longitude entered as long as the Latitude is correct. Latitude is used to level the platform.
That's pretty much how I recall it as an end user of early platforms. An incorrect latitude entry will, I think, manifest itself at the levelling and/or gyro compassing stage. An incorrect longitude causes no such problem.
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