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Evaluated 17 candidate ADs: 17 confirmed, 0 possible, 0 excluded.
Airworthiness Directives; Navion Models Navion through Navion H Airplanes
Effective: Oct 3, 1968
Per source metadata: Sierra Hotel Aero, Inc. / Navion A (Army L-17B and L-17C); Sierra Hotel Aero, Inc. / Navion B; Sierra Hotel Aero, Inc. / Navion D; Sierra Hotel Aero, Inc. / Navion E; Sierra Hotel Aero, Inc. / Navion F (and 3 more)
Airworthiness Directives; Navion Models Navion, Navion A, Navion B, Navion D, Navion E, Navion F, and Navion G Aircraft
Effective: Mar 6, 1962
Per source metadata: Sierra Hotel Aero, Inc. / Navion A (Army L-17B and L-17C); Sierra Hotel Aero, Inc. / Navion B; Sierra Hotel Aero, Inc. / Navion D; Sierra Hotel Aero, Inc. / Navion E; Sierra Hotel Aero, Inc. / Navion F (and 2 more)
Airworthiness Directives; Navion Airplanes Equipped With Carter Fuel Pumps Continental P/N 530509 (Carter M687-S and M688-S) or Continental P/N 50375
Per source metadata: Sierra Hotel Aero, Inc. / Navion (Army L-17A); Sierra Hotel Aero, Inc. / Navion A (Army L-17B and L-17C)
Airworthiness Directives; All Navion Airplanes Equipped With Product Techniques, Inc., Propeller Spinners
Per source metadata: Sierra Hotel Aero, Inc. / Navion (Army L-17A); Sierra Hotel Aero, Inc. / Navion A (Army L-17B and L-17C)
Airworthiness Directives; All Navion Airplanes, Serial Numbers NAV-4-2 Through NAV-4-1790
Per source metadata: Sierra Hotel Aero, Inc. / Navion (Army L-17A); Sierra Hotel Aero, Inc. / Navion A (Army L-17B and L-17C); Sierra Hotel Aero, Inc. / Navion B
Airworthiness Directives; Navion Airplanes Equipped with Adel Electric Booster Pumps
Per source metadata: Sierra Hotel Aero, Inc. / Navion (Army L-17A); Sierra Hotel Aero, Inc. / Navion A (Army L-17B and L-17C)
Airworthiness Directives; All Navion and All Twin Navion Models Temco D-16, Temco D-16A, Dauby, Riley, and Camair 480 Airplanes
Per source metadata: American Navion Society, LTD. | Fred Garcia | Sierra Hotel Aero, Inc. / D-16; American Navion Society, LTD. | Fred Garcia | Sierra Hotel Aero, Inc. / D-16A; American Navion Society, LTD. | Fred Garcia | Sierra Hotel Aero, Inc. / 480; American Navion Society, LTD. | Fred Garcia | Sierra Hotel Aero, Inc. / Navion (Army L-17A); American Navion Society, LTD. | Fred Garcia | Sierra…
Airworthiness Directives; Navion All Models, Serial Numbers NAV-4-2 and Above
Per source metadata: Sierra Hotel Aero, Inc. / Navion (Army L-17A); Sierra Hotel Aero, Inc. / Navion A (Army L-17B and L-17C); Sierra Hotel Aero, Inc. / Navion B
Airworthiness Directives; All Navion Models
Per source metadata: Sierra Hotel Aero, Inc. / Navion (Army L-17A); Sierra Hotel Aero, Inc. / Navion A (Army L-17B and L-17C); Sierra Hotel Aero, Inc. / Navion B
Airworthiness Directives; All Navion Models Except Those Incorporating Palo Alto Airport Co. or Symon Engineering Co. Horizontal Stabilizer Modifications
Per source metadata: Sierra Hotel Aero, Inc. / Navion (Army L-17A); Sierra Hotel Aero, Inc. / Navion A (Army L-17B and L-17C); Sierra Hotel Aero, Inc. / Navion B
Airworthiness Directives; Navion All Models
Per source metadata: Sierra Hotel Aero, Inc. / Navion (Army L-17A); Sierra Hotel Aero, Inc. / Navion A (Army L-17B and L-17C); Sierra Hotel Aero, Inc. / Navion B
Airworthiness Directives; Tusco Corporation (Navion) Applies to All Models
Per source metadata: Sierra Hotel Aero, Inc. / Navion (Army L-17A); Sierra Hotel Aero, Inc. / Navion A (Army L-17B and L-17C); Sierra Hotel Aero, Inc. / Navion B; Sierra Hotel Aero, Inc. / Navion D
Airworthiness Directives; Navion All Models
Per source metadata: Sierra Hotel Aero, Inc. / Navion (Army L-17A); Sierra Hotel Aero, Inc. / Navion A (Army L-17B and L-17C); Sierra Hotel Aero, Inc. / Navion B
Airworthiness Directives; Navion Applies to All Models, Serial Numbers NAV-4-2 and \\nSubsequent
Per source metadata: Sierra Hotel Aero, Inc. / Navion (Army L-17A); Sierra Hotel Aero, Inc. / Navion A (Army L-17B and L-17C); Sierra Hotel Aero, Inc. / Navion B
Airworthiness Directives; All Navion Models Having Serial Numbers 1789 through 2019; 2021 through 2026; 2028 through 2142; 2144 through 2169; 2171 through 2177; and 2180
Per source metadata: Sierra Hotel Aero, Inc. / Navion (Army L-17A); Sierra Hotel Aero, Inc. / Navion A (Army L-17B and L-17C); Sierra Hotel Aero, Inc. / Navion B
Airworthiness Directives; NAVION All Airplanes Equipped With Romec Engine-Driven Fuel Pumps.
Per source metadata: Sierra Hotel Aero, Inc. / Navion (Army L-17A); Sierra Hotel Aero, Inc. / Navion A (Army L-17B and L-17C)
Airworthiness Directives; Navion Airplanes Equipped With Continental Model E185-3 Engines Having Serial Numbers 4289-D to 5110-D Inclusive, and Engines Which Have Been Equipped at Overhaul With Tri-Metal Front Main Bearing Inserts and Bronze Thrust Washers in Accordance With Continental Bulletin No. M48-7.
Per source metadata: Sierra Hotel Aero, Inc. / Navion (Army L-17A); Sierra Hotel Aero, Inc. / Navion A (Army L-17B and L-17C)
Free during beta. We'll email you the moment a new Airworthiness Directive is published that matches Sierra Hotel Aero, Inc. Navion A (Army L-17B and L-17C). One email per AD. No spam, no third-party sharing.
Beta status: collecting waitlist while we wire up email delivery. You'll get one email when alerts go live — we'll honor first-100 signups with a permanent free tier.