# Gates Learjet 55 - Type: Aircraft model (FAA registry) - Registry code: 5170702 - Manufacturer (registry): GATES LEARJET CORP - Model: 55 - Aircraft type: Fixed wing multi engine - Category: Airplane - Engines: 2 · Turbo-fan - Seats: 13 - Weight class: 12,500 to 19,999 lb - Certification: Type certificated - Data sheet: [TCDS A10CE](https://openairdocs.org/tcds/A10CE) (OpenAirDocs) - Holder: Learjet Inc. - Registered aircraft: 54 - Page: https://openairdocs.org/model/gates-learjet-55 Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [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](https://openairdocs.org/ad/95-19-04) (historical): Omega Navigation System · Learjet 35, 35A (C-21A), 36 and 4 more. Effective Oct 12, 1995 ## Information bulletins (advisory) (3) - [SAIB 2026-07](https://openairdocs.org/saib/2026-07): MAIN LANDING GEAR ATTACH SECTION, Trunnion Pins. Issued Mar 19, 2026 - [SAIB NM-16-24](https://openairdocs.org/saib/NM-16-24): Fuselage: Main Plate/Skin. Issued Sep 15, 2016 - [SAIB CE-02-19](https://openairdocs.org/saib/CE-02-19): . Issued Mar 11, 2002 ## Registered aircraft (54, first 50) - [N126KL](https://openairdocs.org/aircraft/N126KL): [Aircraft Fidelity Corp Trustee](https://openairdocs.org/faa-owner/AIRCRAFT%20FIDELITY%20CORP%20TRUSTEE), [Dover, DE](https://openairdocs.org/faa-place/DE/Dover), built 1984, S/N 096 - [N155ER](https://openairdocs.org/aircraft/N155ER): [Air Medical Services LLC](https://openairdocs.org/faa-owner/AIR%20MEDICAL%20SERVICES%20LLC), [Denver, NC](https://openairdocs.org/faa-place/NC/Denver), built 1984, S/N 55-098 - [N155SJ](https://openairdocs.org/aircraft/N155SJ): [Lopez Fabio](https://openairdocs.org/faa-owner/LOPEZ%20FABIO), [Denver, NC](https://openairdocs.org/faa-place/NC/Denver), built 1984, S/N 102 - [N16LJ](https://openairdocs.org/aircraft/N16LJ): [Lear Holding Corp](https://openairdocs.org/faa-owner/LEAR%20HOLDING%20CORP), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1986, S/N 126 - [N18EV](https://openairdocs.org/aircraft/N18EV): [E D Santos & Associates LLC Trustee](https://openairdocs.org/faa-owner/E%20D%20SANTOS%20%26%20ASSOCIATES%20LLC%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1983, S/N 077 - [N1VG](https://openairdocs.org/aircraft/N1VG): [E D Santos & Associates LLC Trustee](https://openairdocs.org/faa-owner/E%20D%20SANTOS%20%26%20ASSOCIATES%20LLC%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), S/N 121 - [N20CR](https://openairdocs.org/aircraft/N20CR): [Western Air International Corp](https://openairdocs.org/faa-owner/WESTERN%20AIR%20INTERNATIONAL%20CORP), [Fort Lauderdale, FL](https://openairdocs.org/faa-place/FL/Fort%20Lauderdale), built 1983, S/N 097 - [N211GS](https://openairdocs.org/aircraft/N211GS): [International Air Services Inc Trustee](https://openairdocs.org/faa-owner/INTERNATIONAL%20AIR%20SERVICES%20INC%20TRUSTEE), [Carson City, NV](https://openairdocs.org/faa-place/NV/Carson%20City), built 1982, S/N 021 - [N238AX](https://openairdocs.org/aircraft/N238AX): [Fabio Lopez](https://openairdocs.org/faa-owner/FABIO%20LOPEZ), [Denver, NC](https://openairdocs.org/faa-place/NC/Denver), S/N 030 - [N255LV](https://openairdocs.org/aircraft/N255LV): [N255rv Aviation Corp Inc](https://openairdocs.org/faa-owner/N255RV%20AVIATION%20CORP%20INC), [Middletown, DE](https://openairdocs.org/faa-place/DE/Middletown), S/N 004 - [N255RV](https://openairdocs.org/aircraft/N255RV): [Solomon Mark Trustee](https://openairdocs.org/faa-owner/SOLOMON%20MARK%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1983, S/N 095 - [N257SJ](https://openairdocs.org/aircraft/N257SJ): [N257sj Aviation Corp](https://openairdocs.org/faa-owner/N257SJ%20AVIATION%20CORP), [Middletown, DE](https://openairdocs.org/faa-place/DE/Middletown), built 1985, S/N 55-118 - [N270JP](https://openairdocs.org/aircraft/N270JP): [Lopez Fabio A](https://openairdocs.org/faa-owner/LOPEZ%20FABIO%20A), [Denver, NC](https://openairdocs.org/faa-place/NC/Denver), S/N 078 - [N277AL](https://openairdocs.org/aircraft/N277AL): [Ati Jet Inc](https://openairdocs.org/faa-owner/ATI%20JET%20INC), [El Paso, TX](https://openairdocs.org/faa-place/TX/El%20Paso), built 1984, S/N 104 - [N285CT](https://openairdocs.org/aircraft/N285CT): [Cf Aviation Trust LLC Trustee](https://openairdocs.org/faa-owner/CF%20AVIATION%20TRUST%20LLC%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1983, S/N 085 - [N285DH](https://openairdocs.org/aircraft/N285DH): [Royal Air Freight Inc](https://openairdocs.org/faa-owner/ROYAL%20AIR%20FREIGHT%20INC), [Waterford, MI](https://openairdocs.org/faa-place/MI/Waterford), built 1982, S/N 026 - [N329TJ](https://openairdocs.org/aircraft/N329TJ): [Forsythe Aviation LLC](https://openairdocs.org/faa-owner/FORSYTHE%20AVIATION%20LLC), [Point Lookout, MO](https://openairdocs.org/faa-place/MO/Point%20Lookout), S/N 120 - [N355RM](https://openairdocs.org/aircraft/N355RM): [Lopez Fabio A](https://openairdocs.org/faa-owner/LOPEZ%20FABIO%20A), [Denver, NC](https://openairdocs.org/faa-place/NC/Denver), built 1982, S/N 033 - [N355UA](https://openairdocs.org/aircraft/N355UA): [Lopez Fabio A](https://openairdocs.org/faa-owner/LOPEZ%20FABIO%20A), [Denver, NC](https://openairdocs.org/faa-place/NC/Denver), built 1984, S/N 114 - [N385RC](https://openairdocs.org/aircraft/N385RC): [Tms Global Investments Inc](https://openairdocs.org/faa-owner/TMS%20GLOBAL%20INVESTMENTS%20INC), [Naples, FL](https://openairdocs.org/faa-place/FL/Naples), built 1984, S/N 117 - [N429FC](https://openairdocs.org/aircraft/N429FC): [Lopez Fabio](https://openairdocs.org/faa-owner/LOPEZ%20FABIO), [Denver, NC](https://openairdocs.org/faa-place/NC/Denver), built 1983, S/N 091 - [N505EH](https://openairdocs.org/aircraft/N505EH): [Solomon Mark Trustee](https://openairdocs.org/faa-owner/SOLOMON%20MARK%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1982, S/N 067 - [N515CY](https://openairdocs.org/aircraft/N515CY): [Pacwest Aerodyne LLC](https://openairdocs.org/faa-owner/PACWEST%20AERODYNE%20LLC), [Tualatin, OR](https://openairdocs.org/faa-place/OR/Tualatin), S/N 028 - [N531P](https://openairdocs.org/aircraft/N531P): [Perair Corp](https://openairdocs.org/faa-owner/PERAIR%20CORP), [Manhasset Hills, NY](https://openairdocs.org/faa-place/NY/Manhasset%20Hills), S/N 93 - [N53HJ](https://openairdocs.org/aircraft/N53HJ): [Ventura Aviation Inc](https://openairdocs.org/faa-owner/VENTURA%20AVIATION%20INC), [Farmingdale, NY](https://openairdocs.org/faa-place/NY/Farmingdale), built 1982, S/N 037 - [N551MF](https://openairdocs.org/aircraft/N551MF): [Dodson International Parts Inc](https://openairdocs.org/faa-owner/DODSON%20INTERNATIONAL%20PARTS%20INC), [Rantoul, KS](https://openairdocs.org/faa-place/KS/Rantoul), S/N 15 - [N551RA](https://openairdocs.org/aircraft/N551RA): [Royal Air Freight Inc](https://openairdocs.org/faa-owner/ROYAL%20AIR%20FREIGHT%20INC), [Waterford, MI](https://openairdocs.org/faa-place/MI/Waterford), built 1982, S/N 076 - [N558RJ](https://openairdocs.org/aircraft/N558RJ): [Worldwide Option LLC](https://openairdocs.org/faa-owner/WORLDWIDE%20OPTION%20LLC), [Lewes, DE](https://openairdocs.org/faa-place/DE/Lewes), S/N 012 - [N55FJ](https://openairdocs.org/aircraft/N55FJ): [N55fj LLC](https://openairdocs.org/faa-owner/N55FJ%20LLC), [El Cajon, CA](https://openairdocs.org/faa-place/CA/El%20Cajon), built 1983, S/N 089 - [N56HS](https://openairdocs.org/aircraft/N56HS): [International Jet Aviation Services](https://openairdocs.org/faa-owner/INTERNATIONAL%20JET%20AVIATION%20SERVICES), [Centennial, CO](https://openairdocs.org/faa-place/CO/Centennial), built 1982, S/N 072 - [N590TC](https://openairdocs.org/aircraft/N590TC): [Lear Holding Corp](https://openairdocs.org/faa-owner/LEAR%20HOLDING%20CORP), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1983, S/N 082 - [N5XR](https://openairdocs.org/aircraft/N5XR): [Aviacion Del Oeste Inc](https://openairdocs.org/faa-owner/AVIACION%20DEL%20OESTE%20INC), [Mayaguez, PR](https://openairdocs.org/faa-place/PR/Mayaguez), built 1982, S/N 063 - [N61SJ](https://openairdocs.org/aircraft/N61SJ): [Byrum Lyle Trustee](https://openairdocs.org/faa-owner/BYRUM%20LYLE%20TRUSTEE), [Roswell, NM](https://openairdocs.org/faa-place/NM/Roswell), built 1983, S/N 081 - [N628EK](https://openairdocs.org/aircraft/N628EK): [Kauffman Land & Development LLC](https://openairdocs.org/faa-owner/KAUFFMAN%20LAND%20%26%20DEVELOPMENT%20LLC), [Fort Lupton, CO](https://openairdocs.org/faa-place/CO/Fort%20Lupton), built 1982, S/N 071 - [N62LJ](https://openairdocs.org/aircraft/N62LJ): [N62lj LLC](https://openairdocs.org/faa-owner/N62LJ%20LLC), [Fort Lauderdale, FL](https://openairdocs.org/faa-place/FL/Fort%20Lauderdale), built 1982, S/N 056 - [N657DJ](https://openairdocs.org/aircraft/N657DJ): [Castiron 5 LLC](https://openairdocs.org/faa-owner/CASTIRON%205%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1983, S/N 094 - [N69VH](https://openairdocs.org/aircraft/N69VH): [Kolob Canyons Air Services Inc](https://openairdocs.org/faa-owner/KOLOB%20CANYONS%20AIR%20SERVICES%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1982, S/N 062 - [N700SR](https://openairdocs.org/aircraft/N700SR): [Md Jet Aviation Services Inc](https://openairdocs.org/faa-owner/MD%20JET%20AVIATION%20SERVICES%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1983, S/N 079 - [N715MG](https://openairdocs.org/aircraft/N715MG): [Richard L Richards Pa Trustee](https://openairdocs.org/faa-owner/RICHARD%20L%20RICHARDS%20PA%20TRUSTEE), [Coral Gables, FL](https://openairdocs.org/faa-place/FL/Coral%20Gables), S/N 003 - [N717AM](https://openairdocs.org/aircraft/N717AM): [Lopez Fabio](https://openairdocs.org/faa-owner/LOPEZ%20FABIO), [Denver, NC](https://openairdocs.org/faa-place/NC/Denver), built 1984, S/N 100 - [N717EB](https://openairdocs.org/aircraft/N717EB): [Amigos Al Dia Pr LLC](https://openairdocs.org/faa-owner/AMIGOS%20AL%20DIA%20PR%20LLC), [Carolina, PR](https://openairdocs.org/faa-place/PR/Carolina), built 1981, S/N 016 - [N717HB](https://openairdocs.org/aircraft/N717HB): [Tms Global Investments Inc](https://openairdocs.org/faa-owner/TMS%20GLOBAL%20INVESTMENTS%20INC), [Naples, FL](https://openairdocs.org/faa-place/FL/Naples), built 1982, S/N 066 - [N723CC](https://openairdocs.org/aircraft/N723CC): [Agave International LLC](https://openairdocs.org/faa-owner/AGAVE%20INTERNATIONAL%20LLC), [Wellington, FL](https://openairdocs.org/faa-place/FL/Wellington), S/N 036 - [N762MG](https://openairdocs.org/aircraft/N762MG): [1mg LLC](https://openairdocs.org/faa-owner/1MG%20LLC), [Fort Wayne, IN](https://openairdocs.org/faa-place/IN/Fort%20Wayne), built 1982, S/N 035 - [N803JG](https://openairdocs.org/aircraft/N803JG): [Cf Aviation Trust LLC Trustee](https://openairdocs.org/faa-owner/CF%20AVIATION%20TRUST%20LLC%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), S/N 115 - [N805PC](https://openairdocs.org/aircraft/N805PC): [Royal Air Freight Inc](https://openairdocs.org/faa-owner/ROYAL%20AIR%20FREIGHT%20INC), [Waterford, MI](https://openairdocs.org/faa-place/MI/Waterford), S/N 55-018 - [N824CC](https://openairdocs.org/aircraft/N824CC): [Lg & Gs Holdings II LLC](https://openairdocs.org/faa-owner/LG%20%26%20GS%20HOLDINGS%20II%20LLC), [Middletown, DE](https://openairdocs.org/faa-place/DE/Middletown), built 1982, S/N 55-024 - [N824MG](https://openairdocs.org/aircraft/N824MG): [Ati Jet Inc](https://openairdocs.org/faa-owner/ATI%20JET%20INC), [El Paso, TX](https://openairdocs.org/faa-place/TX/El%20Paso), built 1984, S/N 106 - [N855RJ](https://openairdocs.org/aircraft/N855RJ): [Jw-N855rj LLC](https://openairdocs.org/faa-owner/JW-N855RJ%20LLC), [Mcallen, TX](https://openairdocs.org/faa-place/TX/Mcallen), built 1981, S/N 009 - [N86BR](https://openairdocs.org/aircraft/N86BR): [Best Aircraft Deals LLC](https://openairdocs.org/faa-owner/BEST%20AIRCRAFT%20DEALS%20LLC), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), S/N 90 All 54: https://openairdocs.org/model/gates-learjet-55/aircraft.md ## STCs approved for it (105, first 50) - [STC SA00276SE](https://openairdocs.org/stc/SA00276SE): Installation of emergency medical stretcher, oxygen, and electrical systems.. LifePort, LLC - [STC SA01213CH](https://openairdocs.org/stc/SA01213CH): Install air ambulance conversion in accordance with Spectrum Aeromed Inc. Drawings as listed on AML SA01213CH, or later FAA approved revision.. Spectrum Aeromed LLC dba Spectrum Aeromed - [STC SA01452CH](https://openairdocs.org/stc/SA01452CH): Installation of an air ambulance conversion kit.. Med-Pac Inc. - [STC SA02119AT](https://openairdocs.org/stc/SA02119AT): Installation of Enviro Systems Air Conditioner.. Aircenter, Inc - [STC SA1170GL](https://openairdocs.org/stc/SA1170GL): Except Model 55: Install Egan Aviation air ambulance stretcher P/N 125 using installation kit P/N 803, inverter/pump kit No. 808, 809, or 810. For Model 55, install air ambulance stretcher P/N 125 using installation kit P/N 804, medical oxygen system kit P/N 807, inverter/pump kit No. 808, 809, or810.. Paul/ Lanna Egan LLC - [STC SA157NE](https://openairdocs.org/stc/SA157NE): Installation of Graphic Engine Monitor System Model GEM-602 S/N 403 and GEM-603 S/N001126and subsequent.. Insight Instrument Corp - [STC SA1675WE](https://openairdocs.org/stc/SA1675WE): Installation of exhaust gas temperature monitoring systems EGT-2.. K S Avionics, Inc - [STC SA2105WE](https://openairdocs.org/stc/SA2105WE): Installation of Model EGT-3 exhaust gas temperature monitor(with rising temperature alarm). (DC-6B (NAVY R6D-1Z) 680). K S Avionics, Inc - [STC SA2557NM (1 OF 2)](https://openairdocs.org/stc/SA2557NM%20(1%20OF%202)): Installation of KS Avionics EGT/CHT-2( ) combined exhaust gas and cylinder head temperature monitoring system.. K S Avionics Inc - [STC SA2618CE](https://openairdocs.org/stc/SA2618CE): Installation of a single global Wulfsberg GNS-500A series 5(Program version 5M) navigation system.. Learjet Inc - [STC SA2622NM](https://openairdocs.org/stc/SA2622NM): Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101). Precise Flight Inc. - [STC SA2637CE](https://openairdocs.org/stc/SA2637CE): Installation of Fairchild F-800 Flight Data Recorder. Learjet Inc - [STC SA2655CE](https://openairdocs.org/stc/SA2655CE): Installation of optional Universal Navigation System (UNS) fuel flow circuitry to Navigation Management System (NMS) and Compact Flight Management System (Compact FMS).. Learjet Inc - [STC SA2755CE-D](https://openairdocs.org/stc/SA2755CE-D): Installation of Collins TCAS-94 Traffic and Collision Avoidance System with Collins TDR-94D Mode-S Transponder (2 ea).. Duncan Aviation Inc - [STC SA2876WE](https://openairdocs.org/stc/SA2876WE): Installation of vertical tail floodlights on the horizontal stabilizer.. DeVore Aviation Corporation of America, a New Mexico Corporation - [STC SA2917NM](https://openairdocs.org/stc/SA2917NM): Installation of monorail sun visor system.. Rosen Sunvisor Systems LLC - [STC SA4999NM](https://openairdocs.org/stc/SA4999NM): Installation of lifeport patient loading and support system.. LifePort LLC - [STC SA5159NM (1 OF 2)](https://openairdocs.org/stc/SA5159NM%20(1%20OF%202)): Installation of chip detector system.. Northwest Aircraft Inc - [STC SA5497SW](https://openairdocs.org/stc/SA5497SW): Installation of Tracor 7800 Omega/ VLF navigation system.. AiResearch Aviation Co - [STC SA5579SW](https://openairdocs.org/stc/SA5579SW): Installation of AiResearch Airman 400 flight navigation management system.. AiResearch Aviation Co - [STC SA5581SW](https://openairdocs.org/stc/SA5581SW): Installation of ALCOR true-flow/ totalizer system. Alcor LLC - [STC SA798EA](https://openairdocs.org/stc/SA798EA): Installation of Monitair exhaust gas combustion monitor kit.. Rosemount Engineering Co - [STC ST00013WI-D](https://openairdocs.org/stc/ST00013WI-D): Installation of a modified engine bleed air mixing valve regulated air source.. Duncan Aviation Inc - [STC ST00016WI](https://openairdocs.org/stc/ST00016WI): Installation of Electric Floorboard Heaters. Learjet Inc - [STC ST00098IB](https://openairdocs.org/stc/ST00098IB): Introduction of ADS-B Out. STC Twenty One Limited - [STC ST00107BO](https://openairdocs.org/stc/ST00107BO): Installation of an AlliedSignal Avionics Inc. GNS-Xls Flight Management System. Pro Star Aviation, LLC - [STC ST00219WI](https://openairdocs.org/stc/ST00219WI): Installation of an AlliedSignal-Sundstrak MK VII Ground Proximity/Windshear Warning System.. JetCorp - [STC ST00220WI](https://openairdocs.org/stc/ST00220WI): Installation of a Collins TCAS-94 Traffic Alert and Collins Avoidance System, and TVI-920-D TA/RA Vertical Speed Indicator System.. JetCorp - [STC ST00221WI](https://openairdocs.org/stc/ST00221WI): Installaation of a Collins TWR-850 Turbulence Weather Radar Systems.. JetCorp - [STC ST00276SE](https://openairdocs.org/stc/ST00276SE): Installation of emergency medical stretcher, oxygen, and electrical systems.. LifePort, LLC - [STC ST00347BO](https://openairdocs.org/stc/ST00347BO): Modification to upgrade a BendixKing CAS 67A TCAS II system to CAS 67B TCAS II Change 7.1. Pro Star Aviation, LLC - [STC ST00373BO](https://openairdocs.org/stc/ST00373BO): Installation of Rockwell Collins TDR-94D Transponders with ADS-B Out. Pro Star Aviation, LLC - [STC ST00410DE](https://openairdocs.org/stc/ST00410DE): Installation of a bleed air modulating valve control.. West Star Aviation - [STC ST00410WI](https://openairdocs.org/stc/ST00410WI): Installation of a JetCorp Fuel Pump Monitor System.. JetCorp - [STC ST00447DE](https://openairdocs.org/stc/ST00447DE): Installation of B/E Aerospace Sweep-On 2000 Crew Oxygen Mask.. West Star Aviation - [STC ST00477AT-D](https://openairdocs.org/stc/ST00477AT-D): Installation and operation of a Loral Fairchild Flight Data Recorder System. Southeast Aerospace Inc - [STC ST00506DE-D](https://openairdocs.org/stc/ST00506DE-D): Installation of a Collins TCAS-4000 TCAS II system displayed on VSI/TRA indicators with dual Collins TDR-94D Mode S transponders.. Learjet Inc - [STC ST00537WI](https://openairdocs.org/stc/ST00537WI): Installation of a Phoenix Aerospace Inc. (PAI) Solid State DC Voltage Regulator, Model BG-1010-24-7A.. Phoenix Aerospace Inc - [STC ST00550WI](https://openairdocs.org/stc/ST00550WI): Installation of a Universal Avionics, Inc., UNS-1D Flight Management System (Dual).. Duncan Aviation, Inc - [STC ST00550WI-D](https://openairdocs.org/stc/ST00550WI-D): Installation of Universal Avionics, Inc., UNS-1D Flight Management System (Dual).. Duncan Aviation Inc - [STC ST00581WI-D](https://openairdocs.org/stc/ST00581WI-D): Installation of Honeywell MK VII Enhanced Ground Proximity Warning System (EGPWS).. Duncan Aviation Inc - [STC ST00673WI-D](https://openairdocs.org/stc/ST00673WI-D): Modification of Collins VHF-22A/VHF-22B VHF COMM Receiver Transmitter with CTL-22 Control Pro Line II System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System installation.. Rockwell Collins Inc - [STC ST00682WI-D](https://openairdocs.org/stc/ST00682WI-D): Modification of Collins VHF-20/VHF-20A/VHF-20B VHF COMM Receiver Transmitter with CTL-20 Control Pro Line I System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System Installation in accordance with Collins Installation Instructions as listed on AML No. ST00682WI-D, Revision -, or later FAA approved revisions.. Rockwell Collins Inc - [STC ST00790DE](https://openairdocs.org/stc/ST00790DE): Installation of BendixKing CAS 67B Traffic Alert and Collision Avoidance System (TCAS) II Version 7.1. Peregrine - [STC ST00835DE](https://openairdocs.org/stc/ST00835DE): Installation of Automatic Dependent Surveillance - Broadcast (ADS-B) Out and In functionality using the Garmin GTX 335R and GTX 345R Transponders plus qualified position sensor. Peregrine - [STC ST00844WI-D](https://openairdocs.org/stc/ST00844WI-D): Modification of Collins TCAS II or TCAS-94 (TCAS II) system installation with Collins TTR-920 Change 7.0 Receiver Transmitter to a Collins TCAS II or TCAS-94 OTCAS II) system installation with Collins TTR-921 or Collins TTR-4000 Change 7.0 TCAS Receiver Transmitter.. Rockwell Collins Inc - [STC ST00881WI-D](https://openairdocs.org/stc/ST00881WI-D): Modification of a TCAS II system installation to Change 7.0 or Change 7.1. Rockwell Collins Inc - [STC ST00882DE](https://openairdocs.org/stc/ST00882DE): Installation of Becker Avionics BXT6553 transponder. Peregrine - [STC ST00949WI](https://openairdocs.org/stc/ST00949WI): Installation of Rockwell Collins Dual Attitude Heading Reference System (AHRS). JetCorp - [STC ST01050SE-D](https://openairdocs.org/stc/ST01050SE-D): Group aircraft approval for Reduced Vertical Separation Minimum (RVSM).. Learjet Inc All 105: https://openairdocs.org/model/gates-learjet-55/stcs.md ## NTSB investigations (6) 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 ERA23LA126](https://openairdocs.org/ntsb/ERA23LA126), Feb 11, 2023: Gates Learjet 55 (N600C), Rochester, NY, substantial damage. Probable cause: The pilots’ failure to attain a proper landing flare and touchdown point, which resulted in a hard landing short of the runway. - [NTSB ERA20CA113](https://openairdocs.org/ntsb/ERA20CA113), Feb 26, 2020: Learjet 55 (N135LR), Farmingdale, NJ, substantial damage. Probable cause: The flight crew's failure to stop the airplane on the available runway, which was wet and resulted in the airplane impacting a ditch. - [NTSB ERA16WA310](https://openairdocs.org/ntsb/ERA16WA310), Aug 25, 2016: Learjet 55 (N666TK), Eleuthera, Bahamas, substantial damage - [NTSB MIA04FA107](https://openairdocs.org/ntsb/MIA04FA107), Jul 19, 2004: Learjet 55 (N55LF), Fort Lauderdale, FL, substantial damage. Probable cause: The flight crew's decision to continue the approach into known area of potentially severe weather (Thunderstorm), which resulted in the flight encountering a 30 knot cross wind, heavy rain, low-level… - [NTSB BFO87LA015](https://openairdocs.org/ntsb/BFO87LA015), Jan 17, 1987: Rockwell 500S (N717AM), Lynchburg, VA, substantial damage - [NTSB FTW81FA102](https://openairdocs.org/ntsb/FTW81FA102), Jun 8, 1981: Piper PA-31P (N805PC), Dallas, TX, substantial damage ## FAA accident and incident reports (23) 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. - [Incident 20240226001359I](https://openairdocs.org/incident/20240226001359I), Feb 26, 2024: Gates Learjet Corp 55 (N989AW), St. Petersburg, FL, Minor damage. St Petersburg-clearwater, FL (pie): [privacy data omitted], LJ55, pie - Mroc, departed runway 36 and declared an Emergency due to a blown tire. Aircraft… - [Accident 20230211003059A](https://openairdocs.org/incident/20230211003059A), Feb 11, 2023: Gates Learjet Corp 55 (N600C), Rochester, NY, Substantial damage. On Monday, February 13, the Rochester NY FSDO AFG-100 received notification of an occurrence on Saturday, February 11th at 17:58Z (12:58 EST) at the Rochester… - [Incident 20220226023389I](https://openairdocs.org/incident/20220226023389I), Feb 26, 2022: Gates Learjet Corp 55 (N55AR), Boston, MA, Minor damage. During departure from runway 27, aircraft ingested a bird into the #1 engine just after rotation. There was a slight loss of power, Accompanied by a vibration… - [Incident 20200423002639I](https://openairdocs.org/incident/20200423002639I), Apr 23, 2020: Gates Learjet Corp 55 (N855PT), Belmar, NJ, Minor damage. On 04/23/20, N855PT, lear 55, departed from republic airport, NY (kfrg) at approximately 01:15AM local time en route to Monmouth Executive Airport, NJ (kblm).… - [Incident 20171114018759I](https://openairdocs.org/incident/20171114018759I), Nov 14, 2017: Gates Learjet Corp 55 (N717HB), Chesterfield, MO, No damage. During flight on November 14th the master caution illuminated and a panel scan revealed a right engine fire light. Power was already fairly low at the time,… - [Accident 20160826014769A](https://openairdocs.org/incident/20160826014769A), Aug 26, 2016: Gates Learjet Corp 55 (N666TK), BH, Substantial damage. Upon takeoff roll pilot reported bumpy runway after V1, call hit uneven surface, aircraft bounced and airspeed dropped below V1 and crew decided to abort… - [Incident 20151220021239I](https://openairdocs.org/incident/20151220021239I), Dec 20, 2015: Gates Learjet Corp 55 (N717HB), Ontario, CA, No damage. Aircraft diverted to Ontario airport (ont) due to unsafe landing gear indicator illuminated. Aircraft landed without event after gear was verified down during… - [Incident 20120907020799I](https://openairdocs.org/incident/20120907020799I), Sep 7, 2012: Gates Learjet Corp 55 (N126KL), Indianapolis, IN, No damage. The part 135 flight emanated from the Indianapolis International Airport (kind) in route to the north bay airport (cyyb) located in ontario Canada. The pilot… - [Incident 20120213001509I](https://openairdocs.org/incident/20120213001509I), Feb 13, 2012: Gates Learjet Corp 55 (N155SJ), Minneapolis, MN, Minor damage. Part 91 reposition flight from msp to rst. Pilot aborted takeoff at approximately 70-80 knots due to heavy vibration. Pilot applied light braking and vibration… - [Incident 20111108027019I](https://openairdocs.org/incident/20111108027019I), Nov 8, 2011: Gates Learjet Corp 55 (N95WK), Salt Lake City, UT, Minor damage. The aircraft had a tire blow out and the left gear strut broke. Its unclear which took place first but it resulted in the two left wheel and brake assemblies… - [Incident 20080930848349I](https://openairdocs.org/incident/20080930848349I), Sep 30, 2008: Lear 55LEAR (N824MG), Omaha, NE, Substantial damage. (-23) While enroute on a part 14 CFR 135 on demand flight with five passengers onboard, approximately one hour out from a scheduled fuel stop in Omaha,… - [Incident 20080927849589I](https://openairdocs.org/incident/20080927849589I), Sep 27, 2008: Gatesl 55LEAR (N550AK), Lexington, KY, No damage. (-23) On September 27th, 2008 a Learjet (N550AK) departed from Blue Grass Airport in Lexington, KY. At lift-off the pilot noticed a radical increase of airflow… - [Accident 20040719014549A](https://openairdocs.org/incident/20040719014549A), Jul 19, 2004: Lear 55LEAR (N55LF), Ft Lauderdale, FL, Substantial damage. (-23) Lear jet N55LF departed the ft. Lauderdale int'l. airport (fll) for a re-positioning FAR 91 VFR ferry flight to the ft. Lauderdale executive airport… - [Incident 20040603011979I](https://openairdocs.org/incident/20040603011979I), Jun 3, 2004: Lear 55LEAR (N550AK), Lexington, KY, Minor damage. (-23) N550AK upon landing it was determined that their speed was too great to stop the aircraft in time to stay on the runway. After skidding from the runway… - [Incident 20040204006019I](https://openairdocs.org/incident/20040204006019I), Feb 4, 2004: Lear 55LEAR (N550AK), Lexington, KY, Minor damage. (-23) Incident: Lear 55 blown right main tires on takeoff N550AK s/n:045 date of incident: 02/04/2004 location: Lexington KY (lex) bluegrass airport pilot: bob… - [Incident 20020710027149I](https://openairdocs.org/incident/20020710027149I), Jul 10, 2002: Lear 55LEAR (N135LR), Salina, KS, Minor damage. (-23) The aircraft departed Salina, KS (sln) airport on runway 35. Flight crew said takeoff was normal except for a moderate dip in the runway. The pilots do… - [Incident 19971013043889I](https://openairdocs.org/incident/19971013043889I), Oct 13, 1997: Lear 55LEAR (N550AK), Cleveland, OH. Narrative: Learjet N550AK was instructed to taxi to runway 23L via taxiway "u" (uniform) and runway 28. N550AK crossed the runway 23L hold lines on runway 28.… - [Incident 19970930035449I](https://openairdocs.org/incident/19970930035449I), Sep 30, 1997: Lear 55LEAR (N717HB), Indianapolis, IN. Narrative: on September 30, 1997 N717HB a Learjet model 55 made an emergency landing at the Indianapolis, Indiana international airport. While in cruise flight… - [Incident 19951101038969I](https://openairdocs.org/incident/19951101038969I), Nov 1, 1995: Lear 31A (N83WM), Cincinnati, OH, Minor damage. Collided with a deer on takeoff. Continued takeoff. Circled to dump fuel. Landed safe. Minimum damage. - [Accident 19940406000509A](https://openairdocs.org/incident/19940406000509A), Apr 6, 1994: N60XL, Destroyed. Upon landing, aircraft experienced complete brake failure and ran off the end of runway. - [Incident 19931115048259I](https://openairdocs.org/incident/19931115048259I), Nov 15, 1993: Lear 25D (N16LJ), Kansas City, MO. Loud noise in cabin on climb. Returned. Left emergency cabin emergency pressurization switch failed. - [Incident 19900612036739I](https://openairdocs.org/incident/19900612036739I), Jun 12, 1990: Lear 55LEAR (N551DB), Van Nuys, CA. Aircraft landed long and departed the end of runway while conducting a training flight. - [Accident 19810608036179A](https://openairdocs.org/incident/19810608036179A), Jun 8, 1981: Piper PA31P (N805PC), Dallas, TX, Substantial damage. Exhaust pipe on left engine separated on takeoff. Exhaust burned mag wires. Engine quit. Crew mismanaged emergency. ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [Learjet 55](https://openairdocs.org/model/learjet-55): 4 registered aircraft, registry code 5170804 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.