AD 68-06-01
ConfirmedAirworthiness Directives; BOEING - VERTOL Type 42A, 42B, 44A, 44B and Military H-21 Series Helicopters
Effective: Mar 21, 1968
- Source applicability metadata includes this make/model.
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Evaluated 8 candidate ADs: 8 confirmed, 0 possible, 0 excluded.
Airworthiness Directives; BOEING - VERTOL Type 42A, 42B, 44A, 44B and Military H-21 Series Helicopters
Effective: Mar 21, 1968
Airworthiness Directives; VERTOL Models 42A, 42B (Military H21B, H21C), 44A and 44B Helicopters
Effective: Aug 7, 1964
Airworthiness Directives; VERTOL Models 42 and 44 Series Helicopters
Effective: Nov 8, 1960
Airworthiness Directives; VERTOL Model 44 Series Helicopters
Airworthiness Directives; VERTOL Models 42 Series and 44 Series Helicopters
Airworthiness Directives; VERTOL Model 44 Series Helicopters
Airworthiness Directives; VERTOL Models 44A, B, and C Helicopters
Airworthiness Directives; VERTOL Models 44A, B, and C Helicopters
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