# Learjet 55 - Type: Aircraft model (FAA registry) - Registry code: 5170804 - Manufacturer (registry): LEARJET INC - Model: 55 - Aircraft type: Fixed wing multi engine - Engines: 2 - Seats: 13 - Data sheet: TCDS A10CE - Registered aircraft: 4 - Page: https://openairdocs.org/model/learjet-55 ## ADs that may apply - [AD 2022-05-01](https://openairdocs.org/ad/2022-05-01): Spoilers · Learjet 35, 35A (C-21A), 36 and 5 more. Effective Mar 9, 2022 - [AD 2018-19-04](https://openairdocs.org/ad/2018-19-04): TE Flap Control System · Learjet 28, 29, 31 and 9 more. Effective Oct 23, 2018 - [AD 2009-03-01](https://openairdocs.org/ad/2009-03-01): Lavatory light assembly · Learjet 55, 55B and 55C. Effective Mar 5, 2009 - [AD 2006-16-18 R1](https://openairdocs.org/ad/2006-16-18-R1): Installing a warning placard on the TAWS/RMI · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 100 more. Effective Jul 18, 2008 - [AD 2007-17-17](https://openairdocs.org/ad/2007-17-17): Unsealed gaps on the pylon side of the engine firewall · Learjet 31, 31A, 35 and 7 more. Effective Oct 2, 2007 - [AD 2007-04-18](https://openairdocs.org/ad/2007-04-18): Left- and right-hand standby fuel pump switches · Learjet 23, 24, 24A and 25 more. Effective Mar 23, 2007 - [AD 2001-12-02](https://openairdocs.org/ad/2001-12-02): Brake Valve · Learjet 55, 55B, 55C and 1 more. Effective Jul 18, 2001 - [AD 2001-07-11](https://openairdocs.org/ad/2001-07-11): Main Landing Gear Tires · Learjet 23, 24, 24A and 25 more. Effective May 1, 2001 - [AD 95-19-04 R1 RES](https://openairdocs.org/ad/95-19-04-R1-RES): Omega Navigation System · Learjet 35, 35A (C-21A), 36 and 4 more. Effective Mar 27, 2000 - [AD 99-16-03](https://openairdocs.org/ad/99-16-03): Horizontal Stabilizer Anti-Ice System · Learjet 23, 24, 24A and 22 more. Effective Sep 7, 1999 - [AD 95-20-03](https://openairdocs.org/ad/95-20-03): Airplane Flight Manual (AFM) - Altitude Limitations · Learjet 24, 24A, 24B and 24 more. Effective Nov 2, 1995 - [AD 94-01-06](https://openairdocs.org/ad/94-01-06): Traffic Alert and Collision Avoidance System II Processors · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 176 more. Effective Feb 4, 1994 - [AD 93-24-10](https://openairdocs.org/ad/93-24-10): Generator Wiring · Learjet 55, 55B and 55C. Effective Jan 18, 1994 - [AD 91-03-08](https://openairdocs.org/ad/91-03-08): Fluorescent Lighting Systems · Learjet 31, 35, 35A (C-21A) and 5 more. Effective Feb 12, 1991 - [AD 89-12-01](https://openairdocs.org/ad/89-12-01): Drag Chute Riser · Learjet 24, 24A, 24B and 22 more. Effective Jul 3, 1989 - [AD 87-04-06](https://openairdocs.org/ad/87-04-06): Autopilot/Flight Director · Learjet 35, 35A (C-21A), 36 and 4 more. Effective Mar 9, 1987 - [AD 87-02-06](https://openairdocs.org/ad/87-02-06): Engine Mounts · Learjet 35, 35A (C-21A), 36 and 4 more. Effective Feb 6, 1987 - [AD 86-22-05](https://openairdocs.org/ad/86-22-05): Flap Sector Mounting Brackets Inspection · Learjet 23, 24, 24A and 23 more. Effective Nov 10, 1986 - [AD 85-22-08 R2](https://openairdocs.org/ad/85-22-08-R2): Spoilers/Autospoilers · Learjet 55. Effective May 19, 1986 - [AD 84-19-06](https://openairdocs.org/ad/84-19-06): Tab Control System · Learjet 24, 24A, 24B and 22 more. Effective Oct 22, 1984 Historical (superseded or no longer in force): AD 95-19-04 ## NTSB investigations (2) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB WPR24LA071](https://openairdocs.org/ntsb/WPR24LA071), Jan 11, 2024: Learjet 55 (N558RA), Livingston, MT, substantial damage. Probable cause: The flight crew’s decision to land on a snow-covered runway with a tailwind, resulting in a runway excursion and subsequent impact with terrain. Contributing to the accident, was the failure of the… - [NTSB MIA00FA190](https://openairdocs.org/ntsb/MIA00FA190), Jun 23, 2000: Learjet 55 (N220JC), Boca Raton, FL, destroyed, 4 fatal. Probable cause: The failure of the pilot's of both airplanes to maintain a visual lookout (while climbing and maneuvering) resulting in an in-flight collision and subsequent collision with residences and terrain. ## FAA accident and incident reports (6) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Accident 20240111000139A](https://openairdocs.org/incident/20240111000139A), Jan 11, 2024: Learjet Inc 55 (N558RA), Livingston, MT, Substantial damage. On January 11, 2024 a Learjet Inc model 55, [privacy data omitted], [privacy data omitted], landed at Mission Field (lvm), Livingston Montana airport during a… - [Incident 20131212023379I](https://openairdocs.org/incident/20131212023379I), Dec 12, 2013: Learjet Inc 55 (N54NW), Opalocka, FL, No damage. Aircraft N54NW, departed opf airport. During climb-out, the crew noticed the master caution light illuminated on then off. The left hand engine low oil press… - [Incident 20090911015179I](https://openairdocs.org/incident/20090911015179I), Sep 11, 2009: Lear 55LEAR (N54NW), Aspen, CO, Minor damage. (-23) On Friday, September 11, 2009, aircraft N54NW, a Learjet model 55 aircaft operated by ati jet charter an 14CFR part 135 air taxi operator, was enroute… - [Incident 20050116002069I](https://openairdocs.org/incident/20050116002069I), Jan 16, 2005: Lear 55LEAR (N667MB), Ft Lauderdale, FL, Minor damage. (-23) Departed runway 26 at ft. Lauderdale executive (fxe), entered IMC @ 600'. Passing thru 800", crew heard loud bang but saw nothing. Precautionary return… - [Accident 20000623040341A](https://openairdocs.org/incident/20000623040341A), Jun 23, 2000: Lear 55LEAR (N220JC), Boca Raton, FL, Destroyed, 3 fatal. (.4)The Learjet departed from an uncontrolled airport about 2 minutes before the accident on a on a VFR climb and was not talking to ATC. The extra EA-300S… - [Incident 19890127029629I](https://openairdocs.org/incident/19890127029629I), Jan 27, 1989: Stbros SD330 (N155DD), Albany, NY, Minor damage. Aircraft being taxied for maintenance check. Had sudden loss of hydraulic pressure and steering. Hit hangar door. ## Complete lists - aircraft: 4, https://openairdocs.org/model/learjet-55/aircraft - ads: 21, https://openairdocs.org/model/learjet-55/ads - incidents: 6, https://openairdocs.org/model/learjet-55/incidents --- From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.