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THE FORMULA FOR COMPUTING THE FINAL HEADING AN AIRPLANE IS TO
TAKE IS: TRUE COURSE(+,-) MAGNETIC VARIATION= MAGNETIC COURSE
(+,-) DEVIATION=COMPASS COURSE. IN SHORT, TVMDC. IT IS
COMMONLY REMEMBERED BY PILOTS AS: TRUE VIRGINS MAKE DULL
COMPANY OR A LITTLE NICER: T.V. MAKES DULL COMPANY.
Where learned: MICHIGAN ; DETROIT
Keyword(s): FLYING
| Subject headings: | RIDDLE -- Riddle Question |
Date learned: 00-00-1971