Type Record · As of May 3, 2026
LEARJET INC 31
Fixed Wing Multi Engine · GARRETT TFE731 SERIES
Registered
15
Year Range
0–1990
NTSB Events
1
Airworthiness Directives
41
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered LEARJET INC 31 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- DE 40.0% 6
- TX 13.3% 2
- FL 13.3% 2
- NY 6.7% 1
- PA 6.7% 1
- NC 6.7% 1
- GA 6.7% 1
- UT 6.7% 1
By Decade of Manufacture
- 1980s 20.0% 3
- 1990s 40.0% 6
- Unknown 40.0% 6
02 / NTSB Records
Events involving LEARJET INC 31 aircraft
1 event(s) on file. Showing the most recent 1.
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Jul 10, 1983
N37ACFRANKFORT, Michigan
NTSB Docket →
02c / Academic Research
Scholarly work mentioning LEARJET INC 31
Papers and reports across NASA, NTSB, FAA CAMI, AOPA ASI, Embry-Riddle, arXiv, and the broader academic graph that mention this airframe. Title or keyword match — drill into each for full abstract + author list + PDF link.
- AOPA Air Safety Institute 2022 · Annual report (Nall Report)
31st Joseph T. Nall Report — General Aviation Accidents in 2020
31st annual Nall Report covering U.S. general aviation accidents for 2020 — the COVID-disrupted year. Examines how reduced commercial activity and shifted flight mixes affected the GA accident profile…
- arXiv 2020 · arXiv preprint
A Lean and Highly-automated Model-Based Software Development Process Based on DO-178C/DO-331
The emergence of a global market for urban air mobility and unmanned aerial systems has attracted many startups across the world.
- NASA NTRS 2019 · Preprint (Draft being sent to journal)
Is There a Metallicity Ceiling to Form Carbon Stars? - A Novel Technique Reveals a Scarcity of C-Stars in the Inner M31 Disk
We use medium-band near-infrared (NIR) Hubble Space Telescope WFC3 photometry with model NIR spectra of Asymptotic Giant Branch (AGB) stars to develop a new tool for efficiently distinguish- ing carbo…
- NASA NTRS 2019 · Contractor Report (CR)
Hydrogen-oxygen electrolytic regenerative fuel cells Quarterly report, 1 Jan. - 31 Mar. 1966
Hydrogen-oxygen regenerative fuel cell testing to improve cycle life capability and to investigate modes of cell performance deterioration
- arXiv 2025 · arXiv preprint
Joint Computation Offloading and Resource Management for Cooperative Satellite-Aerial-Marine Internet of Things Networks
Devices within the marine Internet of Things (MIoT) can connect to low Earth orbit (LEO) satellites and unmanned aerial vehicles (UAVs) to facilitate low-latency data transmission and execution, as we…
- arXiv 2025 · arXiv preprint
Safety Analysis of eVTOL Operations based on STPA
Electric Vertical Take-Off and Landing (eVTOL) aircraft are expected to be quieter and more cost-effective than helicopters, offering major economic and social benefits through improved connectivity.
Browse the full corpus — academia portal ↗
03 / Airworthiness Directives
FAA directives applicable to LEARJET INC 31
41 directive(s) on file. Showing the most recent 25 · 16 more in the Federal Register.
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Jan 31, 2025
Airworthiness Directives; Various Airplanes and Helicopters
The FAA is superseding Airworthiness Directive (AD) 2021-07-13 for certain Pacific Scientific Company rotary buckle assemblies (buckles). AD 2021-07-13 required inspecting each specified buckle including its buckle handle vane and prohibited installing affected buckles. This AD was prompted by the publication of an up…
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Apr 9, 2024
Airworthiness Directives; Various Airplanes and Helicopters
The FAA proposes to supersede Airworthiness Directive (AD) 2021-07-13, which applies to certain Pacific Scientific Company rotary buckle assemblies (buckles). AD 2021-07-13 requires inspecting each buckle including its buckle handle vane, and depending on the results, removing the buckle from service and installing an…
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Feb 8, 2019
Airworthiness Directives; Learjet, Inc. Airplanes
We propose to supersede Airworthiness Directive (AD) 2017-11- 09, which applies to certain Learjet, Inc. (Learjet), Model 60 airplanes. AD 2017-11-09 requires a one-time inspection of the fuselage skin for corrosion and, as necessary, additional related inspections and corrective actions. Since we issued AD 2017-11-09…
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Sep 18, 2018
Airworthiness Directives; Learjet, Inc. Airplanes
We are adopting a new airworthiness directive (AD) for certain Learjet, Inc. Models 28, 29, 31, 31A, 35, 35A, 36, 36A, 55, 55B, 55C, and 60 airplanes. This AD was prompted by fatigue cracks initiating in the flap support structure due to repetitive flap loads, which has caused flap nose roller support bracket failure.…
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May 8, 2018
Airworthiness Directives; Learjet, Inc. Airplanes
We propose to adopt a new airworthiness directive (AD) for certain Learjet, Inc. Models 28, 29, 31, 31A, 35, 35A, 36, 36A, 55, 55B, 55C, and 60 airplanes. This proposed AD was prompted by fatigue cracks initiating in the flap support structure due to repetitive flap loads, which has caused flap nose roller support bra…
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Nov 18, 2016
Airworthiness Directives; Learjet Inc. Airplanes
We propose to adopt a new airworthiness directive (AD) for certain Learjet Inc. Model 36A airplanes. This proposed AD was prompted by a report indicating that an aileron cable failed on an airplane during a tension check and a determination that Model 36A airplanes were not included in AD 2005-13-36, which addresses t…
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Feb 24, 2011
Airworthiness Directives; Learjet Inc. Model 45 Airplanes
We are adopting a new airworthiness directive (AD) for the products listed above. This AD requires a general visual inspection for damage of wiring (including chafing, pinched wires, and exposed wires) and correct routing of wires in the left and right circuit breaker panels, and related investigative and corrective a…
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Mar 17, 2010
Airworthiness Directives; Honeywell International Inc. TFE731 Series Turbofan Engines
The FAA is adopting a new airworthiness directive (AD) for Honeywell International Inc. TFE731 series turbofan engines with certain second stage low-pressure compressor rotor (LPCR) discs and/or certain third stage LPCR discs installed. This AD requires removing from service certain second stage LPCR discs and/or cert…
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Dec 11, 2009
Airworthiness Directives; Honeywell International Inc. TFE731 Series Turbofan Engines
This supplemental NPRM revises an earlier proposed airworthiness directive (AD), for Honeywell International Inc. TFE731 series turbofan engines with certain second stage low-pressure compressor rotor (LPCR) discs and/or certain third stage LPCR discs installed. That proposed AD would have required removing from servi…
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Apr 13, 2009
Airworthiness Directives; Honeywell International Inc. TFE731 Series Turbofan Engines
The FAA proposes to adopt a new airworthiness directive (AD) for Honeywell International Inc. TFE731 series turbofan engines with certain second and third stage low-pressure compressor rotor (LPCR) discs installed. This proposed AD would require removing from service, certain second and third stage LPCR discs, part nu…
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Jan 31, 2008
Airworthiness Directives; Honeywell International Inc. TFE731-2C, -3B, -3BR, -3C, -3CR, -3D, -3DR, -4R, -5AR, -5BR, -5R, -20R, -20AR, -20BR, -40, -40AR, -40R, and -60 Series Turbofan Engines
The FAA is adopting a new airworthiness directive (AD) for Honeywell International Inc. (Honeywell) TFE731-2C, -3B, -3BR, -3C, - 3CR, -3D, -3DR, -4R, -5AR, -5BR, -5R, -20R, -20AR, -20BR, -40, -40AR, - 40R, and -60 series turbofan engines. This AD requires removal from service of certain high pressure (HP) turbine roto…
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Sep 4, 2007
Airworthiness Directives; Honeywell International Inc. TFE731-2C, -3B, -3BR, -3C, -3CR, -3D, -3DR, -4R, -5AR, -5BR, -5R, -20R, -20AR, -20BR, -40, -40AR, -40R, and -60 Series Turbofan Engines
The FAA proposes to adopt a new airworthiness directive (AD) for Honeywell International Inc. (Honeywell) TFE731-2C, -3B, -3BR, -3C, -3CR, -3D, -3DR, -4R, -5AR, -5BR, -5R, -20R, -20AR, -20BR, -40, -40AR, -40R, and -60 series turbofan engines. This proposed AD would require removal from service of certain high pressure…
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Aug 28, 2007
Airworthiness Directives; Learjet Model 31, 31A, 35, 35A (C-21A), 36, 36A, 55, 55B, and 55C Airplanes, and Model 45 Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Learjet Model 31, 31A, 35, 35A (C-21A), 36, 36A, 55, 55B, and 55C airplanes, and Model 45 airplanes. This AD requires inspecting for unsealed gaps on the pylon side of the engine firewall and cleaning/ sealing any unsealed gap; and, for certain airplan…
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Apr 26, 2007
Airworthiness Directives; Learjet Model 31, 31A, 35, 35A (C-21A), 36, 36A, 55, 55B, and 55C Airplanes, and Model 45 Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain Learjet Model 31, 31A, 35, 35A (C-21A), 36, 36A, 55, 55B, and 55C airplanes, and Model 45 airplanes. This proposed AD would require inspecting for unsealed gaps on the pylon side of the engine firewall and cleaning/sealing any unsealed gap; and,…
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Feb 16, 2007
Airworthiness Directives; Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, 25D, 25F, 28, 29, 31, 31A, 35, 35A (C-21A), 36, 36A, 55, 55B, and 55C Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, 25D, 25F, 28, 29, 31, 31A, 35, 35A (C- 21A), 36, 36A, 55, 55B, and 55C airplanes. This AD requires modifying the left- and right-hand standby fuel pump switches…
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Sep 12, 2006
Airworthiness Directives; Honeywell RCZ-833J/K, -851J/K, and -854J Communication (COM) Units, Equipped with XS-852E/F Mode S Transponders; and Honeywell XS-856A/B and -857A Mode S Transponders; Installed on But Not Limited to Certain Transport Category Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Honeywell COM units and transponders, installed on but not limited to certain transport category airplanes. This AD requires a revision to the Normal Procedures section of the airplane flight manual to advise the flightcrew to check the status of the t…
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Aug 16, 2006
Airworthiness Directives; Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, 25D, 25F, 28, 29, 31, 31A, 35, 35A (C-21A), 36, 36A, 55, 55B, and 55C Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, 25D, 25F, 28, 29, 31, 31A, 35, 35A (C-21A), 36, 36A, 55, 55B, and 55C airplanes. This proposed AD would require modifying the left- and right-hand standby…
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May 16, 2006
Airworthiness Directives; Learjet Model 45 Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Learjet Model 45 airplanes. This AD requires a review of airplane maintenance records to determine whether inspections identified by certain inspection reference numbers (IRNs) have been done. If any IRN has not been done, this AD requires doing an ins…
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Jul 5, 2005
Airworthiness Directives; Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, 25D, 25F, 28, 29, 31, 31A, 35, 35A (C-21A), and 36 Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, 25D, 25F, 28, 29, 31, 31A, 35, 35A (C- 21A), and 36 airplanes. This AD requires a one-time inspection of the center ball of the aileron control cable or cables…
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Jun 22, 2005
Airworthiness Directives; Honeywell International Inc. (Formerly AlliedSignal Inc. and Garrett Turbine Engine Co.) TFE731-2 and -3 Series Turbofan Engines
The FAA is adopting a new airworthiness directive (AD) for Honeywell International Inc. (formerly AlliedSignal Inc. and Garrett Turbine Engine Co.) TFE731-2 and -3 series turbofan engines with certain part numbers (P/Ns) and serial numbers (SNs) of low pressure (LP) 1st and 2nd stage turbine rotor discs initially inst…
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Jun 7, 2005
Airworthiness Directives; Precise Flight, Inc. Models SVS I and SVS IA Standby Vacuum Systems
The FAA adopts a new airworthiness directive (AD) for all airplanes equipped with Precise Flight, Inc. (Precise Flight) Models SVS I and SVS IA standby vacuum systems (SVS) installed under certain supplemental type certificates or through field approval. This AD requires you to replace the airplane flight manual suppl…
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Apr 14, 2005
Airworthiness Directives; Learjet Model 23, 24, 24A, 24B, 24B-A, 24D, 24D-A, 24E, 24F, 25, 25A, 25B, 25C, 25D, and 25F Airplanes Modified by Supplemental Type Certificate SA1731SW, SA1669SW, or SA1670SW
The FAA proposes to adopt a new airworthiness directive (AD) for certain Learjet Model 23, 24, 24A, 24B, 24B-A, 24D, 24D-A, 24E, 24F, 25, 25A, 25B, 25C, 25D, and 25F airplanes. This proposed AD would require removing the thrust reverser accumulator, and making the thrust reverser hydraulic system and the thrust revers…
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Apr 6, 2005
Airworthiness Directives; Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, 25D, 25F, 28, 29, 31, 31A, 35, 35A (C-21A), and 36 Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, 25D, 25F, 28, 29, 31, 31A, 35, 35A (C-21A), and 36 airplanes. This proposed AD would require a one-time inspection of the center ball of the aileron contr…
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Mar 14, 2005
Airworthiness Directives; Honeywell International Inc. TFE731-2 and -3 Series Turbofan Engines
The FAA is adopting a new airworthiness directive (AD) for Honeywell International Inc. (formerly AlliedSignal Inc. and Garrett Turbine Engine Co.) TFE731-2 and -3 series turbofan engines with certain part number (P/N) low pressure turbine (LPT) stage 1 disks installed. This AD requires for TFE731-2 and -2C series eng…
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Mar 4, 2005
Airworthiness Directives; Precise Flight, Inc. Models SVS I and SVS IA Standby Vacuum Systems
The FAA proposes to adopt a new airworthiness directive (AD) for all airplanes equipped with Precise Flight, Inc. (Precise Flight) Models SVS I and SVS IA standby vacuum systems (SVS) installed under certain supplemental type certificates or through field approval. This proposed AD would require you to replace the air…
04 / Type Certificate Data Sheets
FAA TCDS for LEARJET INC 31
The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.
- A10CE Historical Rev 64 · 12/28/2010
Learjet Inc.
Models: 25B, 24F-A, 36A, 24A + 25 more
05 / Special Airworthiness Information Bulletins
Advisories applicable to LEARJET INC 31
1 SAIB on file. SAIBs are FAA advisory notices — not mandatory like ADs, but worth reviewing for service bulletins and emerging issues.
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08/22/2011
SAIB NM-11-48
Ice and Rain Protection: Wing Transverse Duct Assembly
06 / Supplemental Type Certificates
Modifications approved for LEARJET INC 31
246 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.
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03/06/2026
STC SA2622NM
Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101)
Precise Flight Inc.
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09/26/2025
STC ST03885AT
Installation of an Avionica, Inc. avCM Cellular Module
Aircraft Systems and Manufacturing Inc.
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09/15/2025
STC ST12087CH
Installation replacement Cabin/Cockpit Handheld Fire Extinguishers
Avcon Industries Inc.
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04/09/2025
STC ST02416SE
Installation of the replacement rate gyro, Butler National Part Number 501-1169-01 MOD A or 501-1169-02 MOD A
Symetric Industries, DBA Extant Aerospace
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04/09/2025
STC ST02515SE
Installation of the replacement vertical accelerometer, Butler National Part Number 501-1287-02 MOD A
Symetric Industries, DBA Extant Aerospace
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03/24/2025
STC ST02472AT
Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII
Aircraft Systems and Manufacturing Inc.
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03/24/2025
STC ST03885AT
Installation of an Avionica, Inc. avCM Cellular Module
Aircraft Systems and Manufacturing Inc.
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08/27/2024
STC ST01936WI
Installation of LED lights
AeroLED's Holdings LLC
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07/27/2024
STC ST01138DE
Installation of MidContinent MD23 standby altimeter and/or attitude indicators
Butler National Corporation
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07/02/2024
STC ST01138DE
Installation of MidContinent MD23 standby altimeter and/or attitude indicators
Cert Works LLC
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05/30/2024
STC ST04728NY
Installation of LAI CoolView Cabin Window
Lee Aerospace Inc.
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05/13/2024
STC ST03424CH
Certification of Automatic Dependent Surveillance - Broadcast (ADS-B) Out System with Rockwell Collins TDR-94/-94D Transponders
CMD Flight Solutions LLC
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02/06/2024
STC ST01602WI
Installation of Luminescent Overlay panels upgrade
Global Aviation Tech LLC
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02/06/2024
STC ST01517WI
Installation of the Glareshield LED Lighting System
Global Aviation Tech LLC
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12/05/2023
STC ST04575AT
Installation of the Rockwell Collins ALT-1000+/ -4000+ with 5G Filtering
Chippewa Aerospace Inc.
-
11/22/2023
STC ST03885AT
Installation of an Avionica, Inc. avCM Cellular Module
Archeion Holdings LLC
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09/01/2023
STC ST00352SE
Installation of an aft fuselage stowage locker.
Raisbeck Engineering Inc.
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06/09/2023
STC ST02472AT
Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII
Archeion Holdings LLC
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06/09/2023
STC ST02472AT
Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII
Archeion Holdings LLC
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04/13/2023
STC ST01070DE
Installation of the Curtiss-Wright Fortress Flight Data Recorder (with Cockpit Voice Recorder)
Peregrine
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03/01/2023
STC ST01682WI
Installation of Heads Up Technologies (HUT) Cabin Entertainment System (CES)
Heads Up Technologies Inc.
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02/22/2023
STC ST00098IB
Introduction of ADS-B Out
STC Twenty One Limited
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01/18/2023
STC ST04221NY
Installation of LAI Heated Windshields
Lee Aerospace Inc.
-
12/02/2022
STC ST02004WI
Installation of the Garmin GI-275 Instantaneous Vertical Speed Indicators (IVSI)
Peregrine
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07/22/2022
STC ST02893AT
Installation of a Boom Beam Taxi/Landing Light System
Whelen Aerospace Technologies
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06/22/2022
STC ST02893AT
Installation of a Boom Beam Taxi/Landing Light System
Whelen Aerospace Technologies
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02/17/2022
STC ST03885AT
Installation of an Avionica, Inc. avCM Cellular Module
Archeion Holdings LLC
-
02/17/2022
STC ST03885AT
Installation of an Avionica, Inc. avCM Cellular Module
Archeion Holdings LLC
-
02/17/2022
STC ST03885AT
Installation of an Avionica, Inc. avCM Cellular Module
Archeion Holdings LLC
-
12/16/2021
STC ST01936WI
Installation of LED lights
Aero LEDs LLC
+ 216 more STCs on file
07 / PMA replacement parts
FAA-approved replacement parts for LEARJET INC 31
60+ parts on file from the FAA Parts Manufacturer Approval database. Each is a non-OEM part the FAA has authorized for use as a replacement on this aircraft type.
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449189LA#https://drs.faa.gov/browse/excelExternalWindow/393FB68E9309C9D78625834B005E3988.0001##
Valve, Safety Assy
LanAir Research and Development Inc replaces 449189
PMA holder → -
447883LA#https://drs.faa.gov/browse/excelExternalWindow/6BF6B47C5A11A8A7862583370055CD1D.0001##
Valve, Safety Assy
LanAir Research and Development Inc replaces 447883
PMA holder → -
LA419628#https://drs.faa.gov/browse/excelExternalWindow/48D312D8F47071A38625818D005A2B73.0001##
Block, Locking
LanAir Research and Development Inc replaces 419628
PMA holder → -
447883LA#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191970666120241107175408.0001##
Valve, Safety Assy
LanAir Research and Development Inc replaces 447883
PMA holder → -
LA449039#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID104281461120241016174953.0001##
Mask Lock
LanAir Research and Development Inc replaces 449039
PMA holder → -
LA01000X200A20B6#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID156012695020241016174901.0001##
O-Ring
LanAir Research and Development Inc replaces R01000X200A20B6
PMA holder → -
501-1287-02 Mod A#https://drs.faa.gov/browse/excelExternalWindow/2081B971790238A686258113006C87A6.0001##
Replacement Vertical Accelerometer
butler Avionics Inc replaces Modification Parts
PMA holder → -
SWP-0000026346#https://drs.faa.gov/browse/excelExternalWindow/0C7534BFD85733CA86257DE7005F426A.0001##
Main Pointer
Duncan Aviation Inc replaces 1990819-5
PMA holder → -
4110-200-5#https://drs.faa.gov/browse/excelExternalWindow/BCEE63066169E9E886257DAC006D86EB.0001##
Cylinder
Shaw Aerox LLC replaces , 176700-40, 1270452
PMA holder → -
104002-501#https://drs.faa.gov/browse/excelExternalWindow/B0AFADE0435B351486257D86004F2E21.0001##
Luminescent Overlay Panels
Global Aviation Technologies replaces Modification Part
PMA holder → -
104003-501#https://drs.faa.gov/browse/excelExternalWindow/062D2D054A1443CC86257D86004F2E22.0001##
Luminescent Overlay Panels
Global Aviation Technologies replaces Modification Part
PMA holder → -
MDL 4035-28280#https://drs.faa.gov/browse/excelExternalWindow/2221D41F35BBBE2F86257D86004F2E1B.0001##
Fuel Temperature Indication System Kit
Global Aviation Technologies replaces Modification Part
PMA holder → -
104001-501#https://drs.faa.gov/browse/excelExternalWindow/29B64E4A137033B586257D86004F2E20.0001##
Luminescent Overlay Panels
Global Aviation Technologies replaces Modification Part
PMA holder → -
6004-33305#https://drs.faa.gov/browse/excelExternalWindow/97ACB639C27F4CD286257D86004F2E1D.0001##
Glaresheild Lighting Assembly
Global Aviation Technologies replaces Modification Part
PMA holder → -
MDL 4035-28280#https://drs.faa.gov/browse/excelExternalWindow/16EAD9EC6889E57E86257C61006F5EAC.0001##
Fuel Temperature Indication System Kit
Global Aviation Technologies replaces Modification Part
PMA holder → -
104003-501#https://drs.faa.gov/browse/excelExternalWindow/3CEB31FDD56A4F7386257C61006F5EBE.0001##
Luminescent Overlay Panels
Global Aviation Technologies replaces Modification Part
PMA holder → -
104001-501#https://drs.faa.gov/browse/excelExternalWindow/E7E4089BDC6B0A5A86257C61006F5EBA.0001##
Luminescent Overlay Panels
Global Aviation Technologies replaces Modification Part
PMA holder → -
104002-501#https://drs.faa.gov/browse/excelExternalWindow/FEA5275450CEFAE386257C61006F5EBD.0001##
Luminescent Overlay Panels
Global Aviation Technologies replaces Modification Part
PMA holder → -
6004-33305#https://drs.faa.gov/browse/excelExternalWindow/D0C70A8CB2B194B386257C61006F5EB4.0001##
Glaresheild Lighting Assembly
Global Aviation Technologies replaces Modification Part
PMA holder → -
MDL 4016-34260#https://drs.faa.gov/browse/excelExternalWindow/94D35FACC538366386257D86004F2E1C.0001##
EGPWS Annunciator Accessory Module
Global Aviation Technologies replaces Modification Part
PMA holder → -
MDL 4016-34260#https://drs.faa.gov/browse/excelExternalWindow/83FAB52C1186BB5D86257C61006F5EAF.0001##
EGPWS Annunciator Accessory Module
Global Aviation Technologies replaces Modification Part
PMA holder → -
MDL- 4016- 34260#https://drs.faa.gov/browse/excelExternalWindow/52B45026B6D9212586257220005D754B.0001##
EGPWS Annunciator Accessory Module
Global Aviation Technologies replaces Modification Part
PMA holder → -
9028-000051#https://drs.faa.gov/browse/excelExternalWindow/99222784D4B462F986257D150049F968.0001##
Switch Panel
DPI Labs Inc replaces 9028-000051
PMA holder → -
MS1839-2#https://drs.faa.gov/browse/excelExternalWindow/BA687FD1900D899D86257D150049F979.0001##
Module
DPI Labs Inc replaces MS1839-2
PMA holder → -
SL-8101-1#https://drs.faa.gov/browse/excelExternalWindow/BA2A9D3DA9863D4386257D150049F97E.0001##
Module
DPI Labs Inc replaces SL-8101-1
PMA holder → -
9500-000056#https://drs.faa.gov/browse/excelExternalWindow/E6924A9151AFE9E286257D150049F973.0001##
Switch Panel
DPI Labs Inc replaces 9500-000056
PMA holder → -
MS1826-1K#https://drs.faa.gov/browse/excelExternalWindow/A72D4003865E167B86257D150049F97B.0001##
Module
DPI Labs Inc replaces MS1826-1K
PMA holder → -
10500-0037#https://drs.faa.gov/browse/excelExternalWindow/CDBAC68E629D60E886257D150049F95F.0001##
Switch Panel
DPI Labs Inc replaces 10500-0037
PMA holder → -
MS18130-1#https://drs.faa.gov/browse/excelExternalWindow/500341EC6DB9DE1086257D150049F97A.0001##
Module
DPI Labs Inc replaces MS18130-1
PMA holder → -
9500-000038#https://drs.faa.gov/browse/excelExternalWindow/302DB94985F53E4F86257D150049F971.0001##
Switch Panel
DPI Labs Inc replaces 9500-000038
PMA holder → -
9601-000019#https://drs.faa.gov/browse/excelExternalWindow/51DFA897E7FA74CE86257D150049F975.0001##
Switch Panel
DPI Labs Inc replaces 9601-000019
PMA holder → -
10500-0036-1#https://drs.faa.gov/browse/excelExternalWindow/190939B75F50CA0586257D150049F96E.0001##
Switch Panel
DPI Labs Inc replaces 10500-0036-1
PMA holder → -
8003-000029#https://drs.faa.gov/browse/excelExternalWindow/A17F2DE8CD2FE96786257D150049F970.0001##
Switch Panel
DPI Labs Inc replaces 8003-000029
PMA holder → -
9601-000016#https://drs.faa.gov/browse/excelExternalWindow/D09C6F2955C1C98586257D150049F96B.0001##
Switch Panel
DPI Labs Inc replaces 9601-000016
PMA holder → -
9601-000015#https://drs.faa.gov/browse/excelExternalWindow/ADFD1B09BA5905D086257D150049F969.0001##
Switch Panel
DPI Labs Inc replaces 9601-000015
PMA holder → -
9601-000017#https://drs.faa.gov/browse/excelExternalWindow/3B3CE82C25044D3886257D150049F96D.0001##
Switch Panel
DPI Labs Inc replaces 9601-000017
PMA holder → -
MS1843#https://drs.faa.gov/browse/excelExternalWindow/D362598BE3792DF786257D150049F97C.0001##
Module
DPI Labs Inc replaces MS1843
PMA holder → -
9500-000040#https://drs.faa.gov/browse/excelExternalWindow/3313F0C3AF6FAB8786257D150049F972.0001##
Switch Panel
DPI Labs Inc replaces 9500-000040
PMA holder → -
9028-000050#https://drs.faa.gov/browse/excelExternalWindow/45B083BC7DDB456486257D150049F966.0001##
Switch Panel
DPI Labs Inc replaces 9028-000050
PMA holder → -
8001-000032#https://drs.faa.gov/browse/excelExternalWindow/7696E739A32D074786257D150049F963.0001##
Switch Panel
DPI Labs Inc replaces 8001-000032
PMA holder →
+ 20 more PMA parts on file
09 / Equivalent Level of Safety findings
ELOS findings issued for LEARJET INC 31
1 ELOS finding on file. The FAA issues an ELOS when an applicant proposes an alternative means that achieves the same safety outcome as a literal regulation — a standing record of which certification deviations the agency has approved for this model series.
-
ST4347WI-T
07/18/2005 →Wing and Aft Position Light
§ 25.1397
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for LEARJET INC 31
Advisory Circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
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 15 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 |
|---|---|---|---|---|
| N103JL | NY | 1990 | · | Look up ↗ |
| N103TD | DE | — | · | Look up ↗ |
| N10VJ | PA | 1990 | · | Look up ↗ |
| N1DE | NC | 1990 | · | Look up ↗ |
| N2FU | TX | 1990 | · | Look up ↗ |
| N30LJ | FL | 1988 | · | Look up ↗ |
| N31YA | TX | 1990 | · | Look up ↗ |
| N37AC | DE | — | ● | Look up ↗ |
| N38MG | GA | 1989 | · | Look up ↗ |
| N50AN | FL | — | · | Look up ↗ |
| N5VG | DE | — | · | Look up ↗ |
| N731GA | DE | — | · | Look up ↗ |
| N77779 | DE | — | · | Look up ↗ |
| N888CP | DE | 1988 | · | Look up ↗ |
| N90WA | UT | 1990 | · | 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 →