FAA-listed STC holder

True Lock LLC STCs

The Jun 30, 2026 FAA DRS snapshot lists 4 selected supplemental type certificates with status Current under True Lock LLC. The records span 149 public aircraft directories and 1 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

listed Current at snapshot

149

aircraft directories

modification categories

Jun 28, 2016

latest recorded revision

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.

True Lock LLC supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
SA00780SE (PAGE 1) Installation of the True Lock Safety Retention Axle Lock Nut System. Other aircraft modifications View record	Aerostar Aircraft 360TC A11WE Aerostar Aircraft 400TC A11WE Aerostar Aircraft PA-60-600 (Aerostar 600)TC A17WE Aerostar Aircraft PA-60-601 (Aerostar 601)TC A17WE Aerostar Aircraft PA-60-601P (Aerostar 601P)TC A17WE Aerostar Aircraft PA-60-602P (Aerostar 602P)TC A17WE Aerostar Aircraft PA-60-700P (Aerostar 700P)TC A17WE Bell Helicopter Textron Canada 206ATC H2SW Bell Helicopter Textron Canada 206A-1 (OH-58A)TC H2SW Bell Helicopter Textron Canada 206BTC H2SW Bell Helicopter Textron Canada 206LTC H2SW Bell Helicopter Textron Canada 206L-1TC H2SW Bell Helicopter Textron Canada 206L-3TC H2SW Bell Helicopter Textron Canada 206L-4TC H2SW Bell Helicopter Textron Canada 407TC H2SW Cessna Aircraft 172TC 3A12 Cessna Aircraft 172ATC 3A12 Cessna Aircraft 172BTC 3A12 Cessna Aircraft 172CTC 3A12 Cessna Aircraft 172DTC 3A12 Cessna Aircraft 172ETC 3A12 Cessna Aircraft 172F (USAF T-41A)TC 3A12 Cessna Aircraft 172GTC 3A12 Cessna Aircraft 172H (USAF T-41A)TC 3A12 Cessna Aircraft 172ITC 3A12 Cessna Aircraft 172KTC 3A12 Cessna Aircraft 172LTC 3A12 Cessna Aircraft 172MTC 3A12 Cessna Aircraft 172NTC 3A12 Cessna Aircraft 172PTC 3A12 Cessna Aircraft 172QTC 3A12 Cessna Aircraft 172RTC 3A12 Cessna Aircraft 172STC 3A12 Cessna Aircraft 172RGTC 3A17 Cessna Aircraft 175TC 3A17 Cessna Aircraft 175ATC 3A17 Cessna Aircraft 175BTC 3A17 Cessna Aircraft 175CTC 3A17 Cessna Aircraft P172DTC 3A17 Cessna Aircraft R172ETC 3A17	Current at cited snapshot Revised Jun 28, 2016 Application: May 17, 1999	FAA holder: True Lock LLC FAA authority record
SA00780SE (PAGE 2) Installation of the True Lock Safety Retention Axle Lock Nut System. Other aircraft modifications View record	Cessna Aircraft 310TC 3A10 Cessna Aircraft 310ATC 3A10 Cessna Aircraft 310BTC 3A10 Cessna Aircraft 310CTC 3A10 Cessna Aircraft 310DTC 3A10 Cessna Aircraft 310ETC 3A10 Cessna Aircraft 310FTC 3A10 Cessna Aircraft 310GTC 3A10 Cessna Aircraft 310HTC 3A10 Cessna Aircraft 310ITC 3A10 Cessna Aircraft 310JTC 3A10 Cessna Aircraft 310J-1TC 3A10 Cessna Aircraft 310KTC 3A10 Cessna Aircraft 310LTC 3A10 Cessna Aircraft 310NTC 3A10 Cessna Aircraft 310PTC 3A10 Cessna Aircraft 310QTC 3A10 Cessna Aircraft 310RTC 3A10 Cessna Aircraft E310HTC 3A10 Cessna Aircraft E310JTC 3A10 Cessna Aircraft T310PTC 3A10 Cessna Aircraft T310QTC 3A10 Cessna Aircraft T310RTC 3A10 Cessna Aircraft 321TC 3A11 Cessna Aircraft 182TC 3A13 Cessna Aircraft 182ATC 3A13 Cessna Aircraft 182BTC 3A13 Cessna Aircraft 182CTC 3A13 Cessna Aircraft 182DTC 3A13 Cessna Aircraft 182ETC 3A13 Cessna Aircraft 182FTC 3A13 Cessna Aircraft 182GTC 3A13 Cessna Aircraft 182HTC 3A13 Cessna Aircraft 182JTC 3A13 Cessna Aircraft 182KTC 3A13 Cessna Aircraft 182LTC 3A13 Cessna Aircraft 182MTC 3A13 Cessna Aircraft 182NTC 3A13 Cessna Aircraft 182PTC 3A13 Cessna Aircraft 182QTC 3A13	Current at cited snapshot Revised Jun 28, 2016 Application: Jan 17, 1999	FAA holder: True Lock LLC FAA authority record
SA00780SE (PAGE 3) Installation of the True Lock Safety Retention Axle Lock Nut System. Other aircraft modifications View record	American Champion Aircraft Corp 7ACTC A-759 American Champion Aircraft Corp 7ACATC A-759 American Champion Aircraft Corp 7BCM (Army L-16A)TC A-759 American Champion Aircraft Corp 7CCM (Army L-16B)TC A-759 American Champion Aircraft Corp 7DCTC A-759 American Champion Aircraft Corp 7ECTC A-759 American Champion Aircraft Corp 7ECATC A-759 American Champion Aircraft Corp 7FCTC A-759 American Champion Aircraft Corp 7GCTC A-759 American Champion Aircraft Corp 7GCATC A-759 American Champion Aircraft Corp 7GCAATC A-759 American Champion Aircraft Corp 7GCBTC A-759 American Champion Aircraft Corp 7GCBATC A-759 American Champion Aircraft Corp 7GCBCTC A-759 American Champion Aircraft Corp 7HCTC A-759 American Champion Aircraft Corp 7JCTC A-759 American Champion Aircraft Corp 7KCTC A-759 American Champion Aircraft Corp 7KCABTC A-759 American Champion Aircraft Corp S7ACTC A-759 American Champion Aircraft Corp S7CCMTC A-759 American Champion Aircraft Corp S7DCTC A-759 American Champion Aircraft Corp S7ECTC A-759 American Champion Aircraft Corp 8GCBCTC A21CE American Champion Aircraft Corp 8KCABTC A21CE Found Aircraft Canada FBA-2CTC A7EA Found Aircraft Canada FBA-2C1TC A7EA Hawker Beechcraft 58TC 3A16 Hawker Beechcraft 58ATC 3A16 Hawker Beechcraft 95TC 3A16 Hawker Beechcraft 95-55TC 3A16 Hawker Beechcraft 95-A55TC 3A16 Hawker Beechcraft 95-B55TC 3A16 Hawker Beechcraft 95-B55ATC 3A16 Hawker Beechcraft 95-B55BTC 3A16 Hawker Beechcraft 95-C55TC 3A16 Hawker Beechcraft 95-C55ATC 3A16 Hawker Beechcraft A56TCTC 3A16 Hawker Beechcraft B95TC 3A16 Hawker Beechcraft B95ATC 3A16 Hawker Beechcraft D55TC 3A16	Current at cited snapshot Revised Jun 28, 2016 Application: Nov 17, 1999	FAA holder: True Lock LLC FAA authority record
SA00780SE (PAGE 4) Installation of the True Lock Safety Retention Axle Lock Nut System. Other aircraft modifications View record	CPAC 112TC A12SO CPAC 112BTC A12SO CPAC 112TCTC A12SO CPAC 112TCATC A12SO CPAC 114TC A12SO CPAC 114ATC A12SO CPAC 114BTC A12SO CPAC 114TCTC A12SO Cub Crafters CC18-180TC A00006SE Cub Crafters CC18-180ATC A00006SE Helio Aircraft H-250TC 1A8 Helio Aircraft H-295 (USAF U10D)TC 1A8 Helio Aircraft H-391 (USAF UL-24)TC 1A8 Helio Aircraft H-391BTC 1A8 Helio Aircraft H-395 (USAF L-28A or U-10B)TC 1A8 Helio Aircraft H-395ATC 1A8 Helio Aircraft H-700TC 1A8 Helio Aircraft H-800TC 1A8 Helio Aircraft HT-295TC 1A8 REVO Colonial C-1TC 1A13 REVO Colonial C-2TC 1A13 REVO Lake LA-4-200TC 1A13 REVO Lake LA-4TC 1A13 REVO Lake LA-4ATC 1A13 REVO Lake LA-4PTC 1A13 REVO Lake Model 250TC 1A13 Viking Air DHC-2 Mk.ITC A-806 Viking Air DHC-2 Mk.IITC A-806 Viking Air DHC-2 Mk.IIITC A-806	Current at cited snapshot Revised Jun 28, 2016 Application: Nov 17, 1999	FAA holder: True Lock LLC FAA authority record

True Lock LLC STCs

Modification mix

Aircraft represented

Recently revised records

Installation of the True Lock Safety Retention Axle Lock Nut System.

Installation of the True Lock Safety Retention Axle Lock Nut System.

Installation of the True Lock Safety Retention Axle Lock Nut System.

Installation of the True Lock Safety Retention Axle Lock Nut System.