FAA-listed STC holder

Navion Customs, LLC STCs

The Jun 30, 2026 FAA DRS snapshot lists 4 selected supplemental type certificates with status Current under Navion Customs, LLC. The records span 7 public aircraft directories and 2 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

listed Current at snapshot

aircraft directories

modification categories

Nov 30, 2021

latest recorded revision

Modification mix

Engine and powerplant3 Landing gear and brakes1

Aircraft represented

Sierra Hotel Aero Navion A (Army L-17B and L-17C)28 STCs Sierra Hotel Aero Navion B22 STCs Sierra Hotel Aero Navion D21 STCs Sierra Hotel Aero Navion E21 STCs Sierra Hotel Aero Navion F21 STCs Sierra Hotel Aero Navion G21 STCs Sierra Hotel Aero Navion H16 STCs

Recently revised records

Showing the 4 most recently revised records. Category directories provide the complete paginated discovery path.

4 displayed records.

Search every indexed record for this holder. The table below contains the recently revised records shown on this page.

Navion Customs, LLC supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
SA7088NM Installation of a Teledyne Continental Motors IO-550B engine; McCauley D3A32C409C/82NDB-2 propeller; tubular engine mount; cowling; baffles; air induction system; and cowl flap mechanism. Engine and powerplant View record	Sierra Hotel Aero Navion A (Army L-17B and L-17C)TC A-782 Sierra Hotel Aero Navion BTC A-782 Sierra Hotel Aero Navion DTC A-782 Sierra Hotel Aero Navion ETC A-782 Sierra Hotel Aero Navion FTC A-782 Sierra Hotel Aero Navion GTC A-782 Sierra Hotel Aero Navion HTC A-782	Current at cited snapshot Revised Nov 30, 2021 Application: Jan 17, 1992	FAA holder: Navion Customs LLC FAA authority record
SA3786WE Installation of a tubular engine mount, cowling cooling baffles, air induction system, and cowl flap mechanism. Engine and powerplant View record	Sierra Hotel Aero Navion A (Army L-17B and L-17C)TC A-782 Sierra Hotel Aero Navion BTC A-782 Sierra Hotel Aero Navion DTC A-782 Sierra Hotel Aero Navion ETC A-782 Sierra Hotel Aero Navion FTC A-782 Sierra Hotel Aero Navion GTC A-782 Sierra Hotel Aero Navion HTC A-782	Current at cited snapshot Revised May 30, 2014 Application: Jun 30, 1978	FAA holder: Navion Customs, LLC FAA authority record
SA4154WE Installation of tubular engine mount, cowling, cooling baffles, air induction system and cowl flap mechanism. Engine and powerplant View record	Sierra Hotel Aero Navion A (Army L-17B and L-17C)TC A-782 Sierra Hotel Aero Navion BTC A-782 Sierra Hotel Aero Navion DTC A-782 Sierra Hotel Aero Navion ETC A-782 Sierra Hotel Aero Navion FTC A-782 Sierra Hotel Aero Navion GTC A-782	Current at cited snapshot Revised May 30, 2014 Application: Mar 1, 1980	FAA holder: Navion Customs, LLC FAA authority record
SA4358WE Installation of landing gear door kit. Landing gear and brakes View record	Sierra Hotel Aero Navion A (Army L-17B and L-17C)TC A-782 Sierra Hotel Aero Navion BTC A-782 Sierra Hotel Aero Navion DTC A-782 Sierra Hotel Aero Navion ETC A-782 Sierra Hotel Aero Navion FTC A-782 Sierra Hotel Aero Navion GTC A-782 Sierra Hotel Aero Navion HTC A-782	Current at cited snapshot Revised May 30, 2014 Application: Mar 15, 1981	FAA holder: Navion Customs, LLC FAA authority record

Modification mix

Aircraft represented

Recently revised records

Installation of a Teledyne Continental Motors IO-550B engine; McCauley D3A32C409C/82NDB-2 propeller; tubular engine mount; cowling; baffles; air induction system; and cowl flap mechanism.

Installation of a tubular engine mount, cowling cooling baffles, air induction system, and cowl flap mechanism.

Installation of tubular engine mount, cowling, cooling baffles, air induction system and cowl flap mechanism.

Installation of landing gear door kit.