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Thread: Ethiopian airliner down in Africa
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Old 9th Apr 2019, 10:29
  #3718 (permalink)  
PJ2
 
Join Date: Mar 2003
Location: BC
Age: 76
Posts: 2,484
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LR, Yanrair, we used IRS GS for monitoring headwind correction. Did that on the DC8 too using the INS, from the early 70's on, as a formal, (book) procedure. The Lockheed, (100 & 500), didn't have GPS when I flew it in the late '80's..
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