Type Record · As of May 3, 2026
LOCKHEED 18-50
Fixed Wing Multi Engine · AMA/EXPR UNKNOWN ENG
Registered
1
Year Range
1943–1943
NTSB Events
0
Airworthiness Directives
0
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered LOCKHEED 18-50 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- TX 100.0% 1
By Decade of Manufacture
- 1940s 100.0% 1
02 / NTSB Records
Events involving LOCKHEED 18-50 aircraft
No NTSB-recorded events match LOCKHEED 18-50 in the indexed corpus.
03 / Airworthiness Directives
FAA directives applicable to LOCKHEED 18-50
No matching airworthiness directives are on file for this make and model in the Federal Register.
04 / Type Certificate Data Sheets
FAA TCDS for LOCKHEED 18-50
The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.
- A-723 Historical Rev 23 · 07/23/2012
Lockheed Martin Aeronautics Company
Models: 18
06 / Supplemental Type Certificates
Modifications approved for LOCKHEED 18-50
201 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.
-
02/02/2024
STC SA02658SE (1 OF 2)
Installation of Garmin GI 275 Multi-Function Display System
Garmin International Inc.
-
01/03/2023
STC SA1686WE
Installation of Vibration Isolation Products (VIP) engine mount P/Ns VIP 50525-1 and VIP 50545-1 on various aircraft as shown on FAA Approved Model List (AML) No. SA1686WE.
FTG, Inc.
-
09/01/2022
STC SA01967WI (2 OF3)
Use of GAMI G100UL High Octane Unleaded Avgas
General Aviation Modifications Inc.
-
06/14/2021
STC SA02658SE (1 OF 2)
Installation of Garmin GI 275 Multi-Function Display System
Garmin International Inc
-
01/13/2020
STC SA02658SE (1 OF 2)
Installation of Garmin GI 275 Multi-Function Display System
Garmin International Inc
-
09/09/2019
STC SA01714WI (1 OF 2)
Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R wit…
Garmin International Inc
-
07/16/2019
STC SA01861SE (PAGE 2)
Fabrication and installation of Landing Light Controller
Seaton Engineering Corp.
-
07/16/2019
STC SA01800SE (PG 2)
Fabrication and installation of new or replacement of existing instrument panel lights dimmer control.
Seaton Engineering Corp.
-
01/22/2018
STC SA2-885
Installation of McMillan Radome nose P/N 7311
Associated Air Center, Inc. - c/o CT Corporation System
-
01/22/2018
STC SA2-565
Installation of electronics rack
Associated Air Center, Inc. - c/o CT Corporation System
-
11/30/2017
STC SA01933LA-D (1 OF 2)
Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System
Garmin International Inc
-
07/14/2017
STC SA01800SE (PG 2)
Fabrication and installation of new or replacement of existing instrument panel lights dimmer control.
Seaton Engineering Corp.
-
03/06/2017
STC SA00343BO (page 2)
Installation of a single configuration or a dual configuration Avidyne Corporation Integrated Flight Display, Model IFD540 loaded with Release 10.0 software (or later FAA approved …
Avidyne Corporation
-
11/30/2016
STC SA00352BO Page 1
Installation of an Avidyne Corporation Mode A/C/S Transponder with ADS-B Out capability, Model AXP340 loaded with Version 3.13 software (or later FAA approved version),
Avidyne Corporation
-
07/21/2016
STC SA01714WI (Page 1)
Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R wit…
Garmin International Inc
-
03/18/2016
STC SA01714WI (PAGE 1)
Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R wit…
Garmin International Inc
-
03/08/2016
STC SA01714WI (Page 1)
Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R wit…
Garmin International Inc
-
06/18/2015
STC SA00343BO (page 2)
Installation of a single configuration or a dual configuration Avidyne Corporation Integrated Flight Display, Model IFD540 loaded with Release 10.0 software (or later FAA approved …
Avidyne Corporation
-
04/10/2015
STC SA01229SE Page 1
Installation of GNS 480 (CNX80) GPS WAAS Navigator with integrated VHF Navigation and Communication radios
Garmin International Inc
-
04/09/2015
STC SA00352BO Page 1
Installation of an Avidyne Corporation Mode A/C/S Transponder with ADS-B Out capability, Model AXP340 loaded with Version 3.13 software (or later FAA approved version),
Avidyne Corporation
-
11/20/2014
STC SA01933LA-D Page 1
Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System
Garmin International Inc
-
07/24/2014
STC SA00343BO (page 2)
Installation of a single configuration or a dual configuration Avidyne Corporation Integrated Flight Display, Model IFD540 loaded with Release 10.0 software (or later FAA approved …
Avidyne Corporation
-
03/07/2014
STC SA3-41
Short stack installation - Pratt & Whitney R-1830 or Wright R-1820 engines.
Sabreliner Aviation LLC
-
03/07/2014
STC SA3-42
Modification to Janitrol heater air inlet scoop. Installation of Janitrol heater overheat warning system.
Sabreliner Aviation LLC
-
03/07/2014
STC SA3-46
Nose heater installation, Stewart-Warner Model 940-B24.
Sabreliner Aviation LLC
-
03/07/2014
STC SA3-466
DC-3 exhaust collector ring and short stack installation.
Sabreliner Aviation LLC
-
08/27/2013
STC SA01714WI (Page 1)
Installation of a Garmin GTX 330/330D/33/33D with ADS-B Out functionality
Garmin International Inc
-
05/01/2013
STC SA01714WI (Page 1)
Installation of a Garmin GTX 330/330D/33/33D with ADS-B Out functionality
Garmin International Inc
-
04/01/2013
STC SA01933LA-D Page 1
Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System
Garmin International Inc
-
10/03/2012
STC SA01692SE (Page 1 OF 2)
Installation of a Garmin GMX 200 Multi-Function Display
Garmin International Inc
+ 171 more STCs on file
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for LOCKHEED 18-50
Advisory Circulars
ACs whose subject explicitly mentions LOCKHEED or 18-50.
Recent Federal Register activity
Latest rulemakings touching general operating rules (Part 91) and maintenance rules (Part 43).
- 2026-04-17 Settlement Policy for Small Unmanned Aircraft System (UAS) Cases FR ↗
- 2026-02-10 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period; Denial of Extension FR ↗
- 2026-02-02 25-Hour Cockpit Voice Recorder (CVR) Requirement, New Aircraft Production FR ↗
- 2026-01-28 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period FR ↗
- 2026-01-07 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
05 / Aircraft of this type
All 1 registered N-numbers
Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N60JT | TX | 1943 | · | Look up ↗ |
Source — FAA Aircraft Registry · click "Look up" to query the live registry record (owner, address, last airworthiness)
05 / Sources & Methodology
Every count traces back to a primary US-government source
- FAA Aircraft Registry →
Refreshed Apr 27, 2026
Available
- NTSB CAROL →
Refreshed Apr 27, 2026
Available
- Federal Register (FAA Airworthiness Directives) →
Refreshed Apr 27, 2026
Available
We render counts and lists as the agency publishes them. Read the methodology →