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LEARJET INC 23

6 registered · 1965–1965 · 0 NTSB events · 43 ADs

About this data

Fixed Wing Multi Engine · GE CJ610-SER · as of Sep 21, 2026

Resources Engine · GE Aerospace ↗ Search FAA TCDS ↗

Distribution · currently registered

By state (top 10)

  • DE 33.3% 2
  • FL 16.7% 1
  • KS 16.7% 1
  • AR 16.7% 1
  • CA 16.7% 1

By decade of manufacture

  • 1960s 66.7% 4
  • Unknown 33.3% 2

NTSB records

No NTSB-recorded events match LEARJET INC 23 in the indexed corpus.

Research papers

All research papers

Airworthiness directives

43 directive(s) on file. Showing the most recent 25 · 18 more in the Federal Register.

  • Feb 2, 2023

    Airworthiness Directives; Learjet, Inc., Airplanes

    The FAA is adopting a new airworthiness directive (AD) for certain Learjet, Inc., Model 45 airplanes. This AD was prompted by a determination that new or more restrictive airworthiness limitations are necessary. This AD requires revising the existing inspection program to incorporate reduced inspection intervals for t…

  • Dec 6, 2021

    Airworthiness Directives; Learjet Inc. Airplanes

    The FAA is adopting a new airworthiness directive (AD) for certain Learjet Inc. Model 45 airplanes. This AD was prompted by a report of a fuel leak due to a cracked fuel line between the engine fuel control and the engine fuel flow meter. This AD requires replacing the existing fuel flow meter bracket assembly with a…

  • Dec 6, 2021

    Airworthiness Directives; Learjet Inc. Airplanes

    The FAA is adopting a new airworthiness directive (AD) for certain Learjet Inc. (Learjet) Model 45 airplanes. This AD was prompted by reports of corrosion found on the upper surface of the lower center wing mid spar splice plate. This AD requires repetitively inspecting the center wing area for corrosion and deteriora…

  • Jul 28, 2021

    Airworthiness Directives; Learjet Inc.

    The FAA proposes to adopt a new airworthiness directive (AD) for certain Learjet Inc. (Learjet) Model 45 airplanes. This proposed AD was prompted by reports of corrosion found on the upper surface of the lower center wing mid spar splice plate. This proposed AD would require repetitively inspecting the center wing are…

  • Sep 24, 2020

    Airworthiness Directives; Pacific Scientific Company Seat Restraint System Rotary Buckle Assemblies

    The FAA is reopening the comment period for an earlier proposed rulemaking (NPRM) for certain Pacific Scientific Aviation Services seat restraint rotary buckle assemblies (buckles). The NPRM proposed to require inspecting each buckle and buckle handle vane, and depending on the inspection results, removing the buckle…

  • Aug 28, 2019

    Airworthiness Directives; Learjet, Inc. Airplanes

    The FAA is superseding Airworthiness Directive (AD) 2017-11-09 for certain Learjet, Inc. (Learjet), Model 60 airplanes. AD 2017-11-09 required a one-time fluorescent dye penetrant inspection of the fuselage skin for corrosion, additional related inspections and corrective actions as necessary, and reporting the inspec…

  • Apr 24, 2019

    Airworthiness Directives; Northrop Grumman LITEF GmbH LCR-100 Attitude and Heading Reference System Units

    We are adopting a new airworthiness directive (AD) for Northrop Grumman LITEF GmbH LCR-100 Attitude and Heading Reference System (AHRS) units installed on various aircraft. This AD requires removing certain LCR-100 AHRS units from service. This AD was prompted by test results showing loss of or invalid data. The actio…

  • 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…

  • 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.…

  • May 30, 2017

    Airworthiness Directives; Learjet, Inc., Airplanes

    We are superseding Airworthiness Directive (AD) 2017-08-07 for certain Learjet, Inc., Model 60 airplanes. AD 2017-08-07 required a one-time inspection of the fuselage skin for corrosion, and related investigative and corrective actions if necessary. This new AD retains the actions of AD 2017-08-07 and removes certain…

  • Apr 17, 2017

    Airworthiness Directives; Learjet, Inc., Airplanes

    We are adopting a new airworthiness directive (AD) for certain Learjet, Inc., Model 60 airplanes. This AD was prompted by an evaluation by the design approval holder (DAH) indicating that the upper fuselage skin under the aft oxygen line fairing is subject to multi-site damage (MSD). This AD requires a one-time inspec…

  • Feb 28, 2017

    Airworthiness Directives; Learjet Inc. Airplanes

    We are adopting a new airworthiness directive (AD) for certain Learjet Inc. Model 36A airplanes. This 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 this issue for…

  • Dec 20, 2016

    Airworthiness Directives; Learjet, Inc. Airplanes

    We propose to adopt a new airworthiness directive (AD) for certain Learjet Inc. Model 60 airplanes. This proposed AD was prompted by an evaluation by the design approval holder (DAH) indicating that the upper fuselage skin under the aft oxygen line fairing is subject to multi-site damage (MSD). This proposed AD would…

  • 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…

  • Oct 29, 2014

    Airworthiness Directives; Honeywell International Inc. Air Data Pressure Transducers

    We are removing Airworthiness Directive (AD) 2012-26-15, which applied to certain Honeywell International Inc. air data pressure transducers as installed on various aircraft. AD 2012-26-15 required doing various tests or checks of equipment having certain air data pressure transducers, removing equipment if necessary,…

  • Jul 22, 2013

    Airworthiness Directives; Learjet Inc. Airplanes

    We are adopting a new airworthiness directive (AD) for certain Learjet Inc. Model 45 airplanes. This AD was prompted by a report that the fire barrier seal on the external baggage door does not seal the surrounding door structure due to incorrect positioning of the barrier. This AD requires modifying the fire seal on…

  • Jul 2, 2013

    Airworthiness Directives; Learjet Inc. Airplanes

    We are adopting a new airworthiness directive (AD) for certain Learjet Inc. Model 60 airplanes. This AD was prompted by a report of a high-speed rejected takeoff caused by all four main landing gear (MLG) tires blowing out during the takeoff roll. This AD requires installing new rigid hydraulic tube assemblies to the…

  • Mar 27, 2013

    Airworthiness Directives; Learjet Inc. Airplanes

    We propose to adopt a new airworthiness directive (AD) for certain Learjet Inc. Model 45 airplanes. This proposed AD was prompted by a report that the fire barrier seal on the external baggage door does not seal the surrounding door structure due to incorrect positioning of the barrier. This proposed AD would require…

  • Mar 27, 2013

    Airworthiness Directives; Learjet Inc. Airplanes

    We propose to adopt a new airworthiness directive (AD) for certain Learjet Inc. Model 60 airplanes. This proposed AD was prompted by a report of a high-speed rejected takeoff caused by all four main landing gear (MLG) tires blowing out during the takeoff roll. This proposed AD would require installing new rigid hydrau…

  • Jan 9, 2013

    Airworthiness Directives; Honeywell International Inc. Air Data Pressure Transducers

    We are adopting a new airworthiness directive (AD) for certain Honeywell International Inc. air data pressure transducers as installed on various aircraft. This AD requires various tests or checks of equipment having certain air data pressure transducers, and removal of equipment if necessary. As an option to the test…

  • Apr 24, 2012

    Airworthiness Directives; Learjet Inc. Airplanes

    We are adopting a new airworthiness directive (AD) for certain Learjet Inc. Model 60 airplanes. This AD was prompted by two incidents of swapped fire extinguishing wires. This AD requires inspecting the electrical leads routed to the fire extinguishing containers for proper identification and missing labels, and to en…

  • Apr 24, 2012

    Airworthiness Directives; Learjet Inc.

    We are adopting a new airworthiness directive (AD) for all Learjet Inc., Model 45 airplanes. This AD was prompted by changes to the Airworthiness Limitations Section (ALS) of the maintenance manual, which adds life-limits, revises life-limits, or adds inspections not previously identified. This AD requires revising th…

  • Dec 19, 2011

    Airworthiness Directives; Learjet Inc. Airplanes

    We are adopting a new airworthiness directive (AD) for all Learjet Inc. Model 45 airplanes. This AD was prompted by a report of the potential for fatigue cracking of the end cap of the main landing gear (MLG) prior to the published life limitation. This AD requires revising the maintenance program to incorporate life…

  • Jul 8, 2011

    Airworthiness Directives; Learjet Inc. Model 45 Airplanes

    We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD would require revising the maintenance program to incorporate life limits for the main landing gear (MLG) actuator end cap. This proposed AD was prompted by a report of the potential for fatigue cracking of the end c…

  • Jun 27, 2011

    Airworthiness Directives; Learjet Inc. Model 45 Airplanes

    We are superseding an existing airworthiness directive (AD) for the products listed above. That AD currently requires, for certain airplanes, repetitive inspections for chafing and other damage of the case drain tube from the hydraulic pump case installed on the left-hand engine, and corrective action if necessary. Th…

Type certificate data sheets · 1 match in the FAA catalog

SAIBs · 1 on file · advisory, not mandatory

Supplemental type certificates · 97 on file

+ 67 more STCs on file

PMA replacement parts · 60+ on file

+ 20 more PMA parts on file

Registered N-numbers · 6

6 of 6 ● NTSB events on file · orange tails have Atlas pages · Look up queries the live FAA registry (owner, address, last airworthiness)
N-number St Year NTSB FAA
N119BA FL 1965 · Look up ↗
N200Y KS — · Look up ↗
N23BY AR 1965 · Look up ↗
N477K DE 1965 · Look up ↗
N73CE CA 1965 · Look up ↗
N823LJ DE — · Look up ↗

Source — FAA Aircraft Registry

Sources