Season 4 · Episode 20
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Air Safety: The Unknown Factor
Fri, Nov 17, 1967
Horizon investigates air navigation and flight safety.
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Airs
Fri, Nov 17, 1967
Show
Horizon
1174 episodes
Episode
S4 · E20
in Horizon
Up next
The Life and Death of the Pine Processionary
S4 · E21
The Life and Death of the Pine Processionary
Tue, Nov 21, 1967