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Type Record · As of May 3, 2026

GATES LEARJET CORP 55

Fixed Wing Multi Engine · GARRETT TFE731 SERIES

Registered

56

Year Range

1981–1986

NTSB Events

7

Airworthiness Directives

2

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered GATES LEARJET CORP 55 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

By State (top 10)

  • DE 28.6% 16
  • FL 14.3% 8
  • NC 10.7% 6
  • TX 5.4% 3
  • MI 5.4% 3
  • NY 5.4% 3
  • UT 3.6% 2
  • KS 3.6% 2
  • CO 3.6% 2
  • PR 3.6% 2

+8 more states

By Decade of Manufacture

  • 1980s 73.2% 41
  • Unknown 26.8% 15

02 /  NTSB Records

Events involving GATES LEARJET CORP 55 aircraft

7 event(s) on file. Showing the most recent 7.

02c /  Academic Research

Scholarly work mentioning GATES LEARJET CORP 55

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.

Browse the full corpus — academia portal ↗

03 /  Airworthiness Directives

FAA directives applicable to GATES LEARJET CORP 55

2 directive(s) on file. Showing the most recent 2.

  • Sep 12, 1995

    Airworthiness Directives; Learjet Model 35, 35A, 36, 36A, 55, 55B, and 55C Airplanes

    This amendment adopts a new airworthiness directive (AD), applicable to certain Learjet Model 35, 35A, 36, 36A, 55, 55B, and 55C airplanes, that requires installation of a placard on the instrument panel in the cockpit to advise the flightcrew that the Omega navigation system may be inoperative at certain engine speed…

  • May 16, 1995

    Airworthiness Directives; Learjet Model 35, 35A, 36, 36A, 55, 55B, and 55C Airplanes

    This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain Learjet Model 35, 35A, 36, 36A, 55, 55B, and 55C airplanes. This proposal would require installation of a placard on the instrument panel in the cockpit to advise the flightcrew that the Omega navigation system may…

04 /  Type Certificate Data Sheets

FAA TCDS for GATES LEARJET CORP 55

The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.

06 /  Supplemental Type Certificates

Modifications approved for GATES LEARJET CORP 55

213 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.

  • 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.

  • 09/26/2025

    STC ST03885AT

    Installation of an Avionica, Inc. avCM Cellular Module

    Aircraft Systems and Manufacturing Inc.

  • 09/15/2025

    STC ST12087CH

    Installation replacement Cabin/Cockpit Handheld Fire Extinguishers

    Avcon Industries Inc.

  • 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

  • 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

  • 03/24/2025

    STC ST02472AT

    Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII

    Aircraft Systems and Manufacturing Inc.

  • 03/24/2025

    STC ST03885AT

    Installation of an Avionica, Inc. avCM Cellular Module

    Aircraft Systems and Manufacturing Inc.

  • 08/27/2024

    STC ST01936WI

    Installation of LED lights

    AeroLED's Holdings LLC

  • 07/27/2024

    STC ST01138DE

    Installation of MidContinent MD23 standby altimeter and/or attitude indicators

    Butler National Corporation

  • 07/02/2024

    STC ST01138DE

    Installation of MidContinent MD23 standby altimeter and/or attitude indicators

    Cert Works LLC

  • 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

  • 01/10/2024

    STC ST04393CH

    Avionics upgrade installation of a Garmin GTN (TM) 750 Touchscreen Navigator interfaced to existing pilot side instruments and existing FC-200 or FC-530/-550 Autopilot and added GW…

    Royal Air Inc.

  • 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

  • 06/09/2023

    STC ST02472AT

    Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII

    Archeion Holdings LLC

  • 06/09/2023

    STC ST02472AT

    Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII

    Archeion Holdings LLC

  • 04/13/2023

    STC ST01070DE

    Installation of the Curtiss-Wright Fortress Flight Data Recorder (with Cockpit Voice Recorder)

    Peregrine

  • 02/22/2023

    STC ST00098IB

    Introduction of ADS-B Out

    STC Twenty One Limited

  • 12/02/2022

    STC ST02004WI

    Installation of the Garmin GI-275 Instantaneous Vertical Speed Indicators (IVSI)

    Peregrine

  • 07/22/2022

    STC ST02893AT

    Installation of a Boom Beam Taxi/Landing Light System

    Whelen Aerospace Technologies

  • 06/22/2022

    STC ST02893AT

    Installation of a Boom Beam Taxi/Landing Light System

    Whelen Aerospace Technologies

  • 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

  • 06/23/2021

    STC ST01930LA

    Installation of Sandel Avionics SN4500 Electronic Horizontal Situation Indicator (EHSI)

    Sandel Avionics LLC

  • 05/14/2021

    STC ST04208NY

    Installation of LAI Windowshields

    Lee Aerospace Inc.

  • 04/23/2021

    STC ST04177AT

    Installation of a Talon Aerospace LED Replacement General Purpose Lamps

    Aaxico Technical Services Inc.

  • 04/03/2020

    STC ST11069SC

    Installation of Sky Connect Forte'/AirMail Wi-Fi (Wireless) communication system

    Honeywell International Inc

  • 02/28/2020

    STC ST04447CH

    Installation of Garmin GTS (TM) 8000 TCAS/ACAS II Traffic Surveillance system, dual GTX (TM) 3000 Mode-S Extended Squitter Transponders and GDL® 88 receiver for a complete ADS-B In…

    Royal Air Inc

+ 183 more STCs on file

07 /  PMA replacement parts

FAA-approved replacement parts for GATES LEARJET CORP 55

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.

  • 15E51-4#https://drs.faa.gov/browse/excelExternalWindow/DB26EC76B7E1A16C8625848900420743.0001##

    Valve Assembly, Shutoff & Regulator, Normally Closed

    Aero Fluid Products replaces Learjet 6600259-3

    PMA holder →
  • SK2216#https://drs.faa.gov/browse/excelExternalWindow/171223071989F4CD862582D30074824D.0001##

    Radome Boot

    Skandia, Inc. replaces Modification Part

    PMA holder →
  • 5006895-1-OAA#https://drs.faa.gov/browse/excelExternalWindow/08CFD5B55E845CB28625804B0066DE13.0001##

    Insulator

    Omega Aircraft Articles LLC replaces Meggitt Aircraft Braking Systems 5006895-1

    PMA holder →
  • LA6600405 -8 , -9, -10, -808, -809 & -810#https://drs.faa.gov/browse/excelExternalWindow/1CAF0A5633DF959E86257EDD00581060.0001##

    Cabin Window

    Lee Aerospace, Inc. replaces 6600405 -8 , -9, -10, -808, -809 & -810

    PMA holder →
  • LA6600405 -18 , -19, -20, -818, -819 & -820#https://drs.faa.gov/browse/excelExternalWindow/F6A5E8B55D00F5D086257EDD00581061.0001##

    Cabin Window

    Lee Aerospace, Inc. replaces 6600405 -8 , -9, -10, -808, -809 & -810

    PMA holder →
  • LA6600405 -18 , -19, -20, -818, -819 & -820#https://drs.faa.gov/browse/excelExternalWindow/8CA73767842F540D86257EC800768462.0001##

    Cabin Window

    Lee Aerospace, Inc. replaces 6600405 -8 , -9, -10, -808, -809 & -810

    PMA holder →
  • LA6600405 -8 , -9, -10, -808, -809 & -810#https://drs.faa.gov/browse/excelExternalWindow/6FE019397093CA5D86257EC80076840B.0001##

    Cabin Window

    Lee Aerospace, Inc. replaces 6600405 -8 , -9, -10, -808, -809 & -810

    PMA holder →
  • AR-20-2#https://drs.faa.gov/browse/excelExternalWindow/210BD66C1454D3C286257DB20076200F.0001##

    Accessory Restraint

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 1430-001#https://drs.faa.gov/browse/excelExternalWindow/485FD37051B115E986257DB200761FBB.0001##

    Cabinet

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 1461-038#https://drs.faa.gov/browse/excelExternalWindow/8FB373FE84C6B7CE86257DB200761F6B.0001##

    Med Wall

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 1461-026#https://drs.faa.gov/browse/excelExternalWindow/141C71EA76B0C5F486257DB200761F18.0001##

    Med Wall

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 1461-016#https://drs.faa.gov/browse/excelExternalWindow/644E219896148F1C86257DB200761EC7.0001##

    Med Wall

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 1461-006#https://drs.faa.gov/browse/excelExternalWindow/DB1C613895C3112E86257DB200761E6E.0001##

    Med Wall

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 1461-004#https://drs.faa.gov/browse/excelExternalWindow/0A009443D3DC7B9A86257DB200761E28.0001##

    Med Wall

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 1461-003#https://drs.faa.gov/browse/excelExternalWindow/E98710302C02225F86257DB200761DC3.0001##

    Med Wall

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 1461-002#https://drs.faa.gov/browse/excelExternalWindow/141A4759616205B186257DB200761D62.0001##

    Med Wall

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 1461-001#https://drs.faa.gov/browse/excelExternalWindow/9529E65026D7794D86257DB200761D00.0001##

    Med Wall

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 1401-001#https://drs.faa.gov/browse/excelExternalWindow/6B43836F5B41427286257DB200761CA1.0001##

    Accessory Table

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 1306-001#https://drs.faa.gov/browse/excelExternalWindow/6AB80F47F6FF130386257DB200761C41.0001##

    Stretcher Adapter

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 1302-002#https://drs.faa.gov/browse/excelExternalWindow/383AA007CAE11F4A86257DB200761BE2.0001##

    Incubator Transport

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 1302-006#https://drs.faa.gov/browse/excelExternalWindow/4224404E840159F186257DB200761B85.0001##

    Incubator Transport

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 1305-015#https://drs.faa.gov/browse/excelExternalWindow/F5B265AFA059565786257DB200761B2A.0001##

    Incubator Transport

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • SLA001-3#https://drs.faa.gov/browse/excelExternalWindow/40D458374BA4817486257DB200761AD0.0001##

    Stretcher Lock Ass'y

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • SLA001-2#https://drs.faa.gov/browse/excelExternalWindow/78D7A518D3B33EE386257DB200761A72.0001##

    Stretcher Lock Ass'y

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • SLA001-1#https://drs.faa.gov/browse/excelExternalWindow/6A5CD0ABE586F51786257DB200761A14.0001##

    Stretcher Lock Ass'y

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 1203-001#https://drs.faa.gov/browse/excelExternalWindow/C31DDD38BC71591586257DB2007619C6.0001##

    Stretcher

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 1201-001#https://drs.faa.gov/browse/excelExternalWindow/E5A9287916C5838E86257DB20076197A.0001##

    Stretcher

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 1403-002#https://drs.faa.gov/browse/excelExternalWindow/B48686437F3ADBF186257DB200761931.0001##

    Stretcher Bridge

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 1403-001#https://drs.faa.gov/browse/excelExternalWindow/9660A527FBCC4C0086257DB2007618EA.0001##

    Stretcher Bridge

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • HPO-01-1#https://drs.faa.gov/browse/excelExternalWindow/3BD7445DFE9B907686257DB2007618A4.0001##

    Installation Kit

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 6341-3#https://drs.faa.gov/browse/excelExternalWindow/3D7F68A76961F13486257DB20076185E.0001##

    Forward Lock Pin Assembly

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 6350#https://drs.faa.gov/browse/excelExternalWindow/5A060D4F0C183B2686257DB200761816.0001##

    Adapter

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 6318#https://drs.faa.gov/browse/excelExternalWindow/5F6D19B13134687186257DB2007617D0.0001##

    Adapter

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 2800-015#https://drs.faa.gov/browse/excelExternalWindow/B6D0FD8DA769BBA886257DB200761742.0001##

    Ambulance Module

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 2800-016#https://drs.faa.gov/browse/excelExternalWindow/EBDDB5325A5769B886257DB20076178A.0001##

    Ambulance Module

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 2800-014#https://drs.faa.gov/browse/excelExternalWindow/D542E2FAC248595786257DB2007616FC.0001##

    Ambulance Module

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 2800-012#https://drs.faa.gov/browse/excelExternalWindow/E0E65E7757F662AF86257DB20076166E.0001##

    Ambulance Module

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 2800-013#https://drs.faa.gov/browse/excelExternalWindow/115F67B99439F3CC86257DB2007616B6.0001##

    Ambulance Module

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 2800-006#https://drs.faa.gov/browse/excelExternalWindow/8B7C4E4EFD94804686257DB200761628.0001##

    Ambulance Module

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →
  • 2800-004#https://drs.faa.gov/browse/excelExternalWindow/AD106449E809175886257DB2007615DB.0001##

    Ambulance Module

    Snaky Creek Enterprises dba Spectrum Aeromed replaces Modification Parts

    PMA holder →

+ 20 more PMA parts on file

05 /  Aircraft of this type

All 56 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.

56 of 56
N-number St Year NTSB FAA
N117LR UT 1982 · Look up ↗
N126KL DE 1984 · Look up ↗
N155ER FL 1984 · Look up ↗
N155SJ NC 1984 · Look up ↗
N16LJ DE 1986 · Look up ↗
N18EV DE 1983 · Look up ↗
N1VG DE · Look up ↗
N20CR FL 1983 · Look up ↗
N211GS NV 1982 · Look up ↗
N238AX NC · Look up ↗
N255LV DE · Look up ↗
N255RV DE 1983 · Look up ↗
N257SJ DE 1985 · Look up ↗
N270JP NC · Look up ↗
N277AL TX 1984 · Look up ↗
N285CT DE 1983 · Look up ↗
N285DH MI 1982 · Look up ↗
N329TJ MO · Look up ↗
N355RM NC 1982 Look up ↗
N355UA NC 1984 · Look up ↗
N385RC FL 1984 · Look up ↗
N429FC NC 1983 · Look up ↗
N505EH DE 1982 · Look up ↗
N531P NY · Look up ↗
N53HJ NY 1982 · Look up ↗
N551MF KS · Look up ↗
N551RA MI 1982 · Look up ↗
N558RJ DE · Look up ↗
N55FJ CA 1983 · Look up ↗
N56HS CO 1982 · Look up ↗
N590TC DE 1983 · Look up ↗
N5XR PR 1982 · Look up ↗
N600C NY Look up ↗
N60GD IN 1982 · Look up ↗
N610JR IL 1986 · Look up ↗
N61SJ NM 1983 · Look up ↗
N628EK CO 1982 · Look up ↗
N62LJ FL 1982 · Look up ↗
N657DJ DE 1983 · Look up ↗
N69VH DE 1982 · Look up ↗
N700SR DE 1983 Look up ↗
N715MG FL · Look up ↗
N717AM SC 1984 Look up ↗
N717EB PR 1981 · Look up ↗
N717HB FL 1982 · Look up ↗
N723CC FL · Look up ↗
N803JG DE · Look up ↗
N805PC MI Look up ↗
N824CC DE 1982 · Look up ↗
N824MG TX 1984 · Look up ↗
N855RJ TX 1981 · Look up ↗
N86BR UT Look up ↗
N890AC KS 1983 Look up ↗
N928AL OR 1982 · Look up ↗
N989AW FL 1982 · Look up ↗
N999CM SC · 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

We render counts and lists as the agency publishes them. Read the methodology →