IIRC some passenger aircraft had a sweet periscopic sextant installed, and even ...

		EdwardDiego 25 days ago \| parent \| context \| favorite \| on: How the Disappearance of Flight 19 Fueled the Lege... IIRC some passenger aircraft had a sweet periscopic sextant installed, and even the 747 still had a sextant port - not that it stopped KAL-007 crossing the Kamchatka peninsula...