# Gates Lear Jet 24F - Type: Aircraft model (FAA registry) - Registry code: 5170317 - Manufacturer (registry): GATES LEAR JET - Model: 24F - Aircraft type: Fixed wing multi engine - Category: Airplane - Engines: 2 · Turbo-jet - Seats: 8 - Weight class: 12,500 to 19,999 lb - Cruise speed: 363 mph - Certification: Type certificated - Data sheet: [TCDS A10CE](https://openairdocs.org/tcds/A10CE) (OpenAirDocs) - Holder: Learjet Inc. - Registered aircraft: 4 - Page: https://openairdocs.org/model/gates-lear-jet-24f 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 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 2005-23-06](https://openairdocs.org/ad/2005-23-06): Thrust reverser hydraulic system · Engine thrust reversers (NORDAM Group STC SA1669SW or 2 others). Effective Dec 19, 2005 - [AD 2005-23-03](https://openairdocs.org/ad/2005-23-03): Spherical accumulator for the main hydraulic system · Learjet 23, 24, 24A and 14 more. Effective Dec 19, 2005 - [AD 2005-13-36](https://openairdocs.org/ad/2005-13-36): Center ball of the aileron control cable · Learjet 23, 24, 24A and 21 more. Effective Aug 9, 2005 - [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 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 92-19-12](https://openairdocs.org/ad/92-19-12): Oxygen Plumbing & Map Light Wires · Learjet 23, 24, 24A and 22 more. Effective Nov 17, 1992 - [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 86-05-05 R1](https://openairdocs.org/ad/86-05-05-R1): Battery Vent System · Learjet 23, 24, 24A and 20 more. Effective Jan 19, 1988 - [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 82-01-05 R2](https://openairdocs.org/ad/82-01-05-R2): Stall Warning Accelerometer Unit · Learjet 23, 24, 24A and 16 more. Effective Apr 10, 1986 - [AD 80-19-11 R1](https://openairdocs.org/ad/80-19-11-R1): Automatic Flight Control and Stall Warning Systems · Learjet 23, 24, 24A and 20 more. Effective May 20, 1985 - [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 - [AD 84-17-02](https://openairdocs.org/ad/84-17-02): Horizontal Stabilizer Trim Actuator · Learjet 24, 24A, 24B and 7 more. Effective Oct 5, 1984 - [AD 81-16-08 R3](https://openairdocs.org/ad/81-16-08-R3): Operation Altitudes · Learjet 24E, 24F, 25D and 1 more. Effective Feb 7, 1983 - [AD 81-13-07](https://openairdocs.org/ad/81-13-07): Change to AFM Fuel Starvation · Learjet 23, 24, 24A and 20 more. Effective Jun 25, 1981 - [AD 80-26-02](https://openairdocs.org/ad/80-26-02): AFCS/AFC-SS Pitch Function · Learjet 23, 24, 24A and 16 more. Effective Jan 15, 1981 - [AD 80-19-09 R1](https://openairdocs.org/ad/80-19-09-R1): Jet Pumps · Learjet 23, 24, 24A and 20 more. Effective Dec 11, 1980 - [AD 80-07-09](https://openairdocs.org/ad/80-07-09): Cabin Main Entrance Upper Door · Learjet 23, 24, 24A and 20 more. Effective May 1, 1980 - [AD 79-12-05](https://openairdocs.org/ad/79-12-05): Stall Warning Systems · Learjet 24, 24A, 24B and 13 more. Effective Nov 6, 1979 - [AD 78-16-03](https://openairdocs.org/ad/78-16-03): Refrigeration Condenser Fan · Learjet 23, 24, 24A and 18 more. Effective Aug 17, 1978 - [AD 77-19-02](https://openairdocs.org/ad/77-19-02): Cabin Door Locking Mechanism · Learjet 23, 24, 24A and 14 more. Effective Jul 20, 1978 - [AD 75-15-06](https://openairdocs.org/ad/75-15-06): Landing Gear Struts · Learjet 23, 24, 24A and 14 more. Effective Jul 25, 1975 ## Information bulletins (advisory) (2) - [SAIB 2026-07](https://openairdocs.org/saib/2026-07): MAIN LANDING GEAR ATTACH SECTION, Trunnion Pins. Issued Mar 19, 2026 - [SAIB NM-13-38](https://openairdocs.org/saib/NM-13-38): Flight Controls Control Column Section. Issued Jun 24, 2013 ## Registered aircraft (4) - [N123DG](https://openairdocs.org/aircraft/N123DG): [Davis Air LLC](https://openairdocs.org/faa-owner/DAVIS%20AIR%20LLC), [Vero Beach, FL](https://openairdocs.org/faa-place/FL/Vero%20Beach), built 1976, S/N 342 - [N352MD](https://openairdocs.org/aircraft/N352MD): [Dolphin Aviation LLC](https://openairdocs.org/faa-owner/DOLPHIN%20AVIATION%20LLC), [Tulsa, OK](https://openairdocs.org/faa-place/OK/Tulsa), built 1977, S/N 352 - [N49GS](https://openairdocs.org/aircraft/N49GS): [Avstar Inc](https://openairdocs.org/faa-owner/AVSTAR%20INC), [Seattle, WA](https://openairdocs.org/faa-place/WA/Seattle), built 1976, S/N 336 - [N56MM](https://openairdocs.org/aircraft/N56MM): [Carlisle Air LLC](https://openairdocs.org/faa-owner/CARLISLE%20AIR%20LLC), [Locust Valley, NY](https://openairdocs.org/faa-place/NY/Locust%20Valley), built 1976, S/N 332 ## NTSB investigations (2) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB MIA07RA034](https://openairdocs.org/ntsb/MIA07RA034), Jan 10, 2007: Gates Learjet 24F (N444TW), Guadalajara, Mexico, destroyed, 2 fatal - [NTSB MIA85FA029](https://openairdocs.org/ntsb/MIA85FA029), Nov 10, 1984: Gates Learjet 24F (N81MC), St. Thomas, destroyed, 2 fatal ## FAA accident and incident reports (5) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Incident 19990729033659I](https://openairdocs.org/incident/19990729033659I), Jul 29, 1999: Lear 24F (N444TW), Toledo, OH. (-23) Additional training and FAR135 check received by both pilots. Letter of correction pending submission of supporting documents. (From attachment) on July… - [Incident 19971210042989I](https://openairdocs.org/incident/19971210042989I), Dec 10, 1997: Lear 24F (N444TW), Nashville, TN, Minor damage. Narrative: antiskid system failed causing failures of braking system and steering system. - [Incident 19940828036109I](https://openairdocs.org/incident/19940828036109I), Aug 28, 1994: Lear 24 (N444TW), Pontiac, MI, Minor damage. Heavy rain near end landing roll. Lost visibility. Veered off runway struck sign and lights. - [Accident 19841110061269A](https://openairdocs.org/incident/19841110061269A), Nov 10, 1984: Lear 24F (N81MC), Charlotte Amali, U.S. Virgin Islands, Destroyed, 1 fatal. Windshield fogged due to inoperative windshield heat. Failed to check actitude on night approach. Flew into water. - [Incident 19790201004289I](https://openairdocs.org/incident/19790201004289I), Feb 1, 1979: Lear 24F (N81MC), Pittsfield, MA, Minor damage. Aircraft slid on ice during rollout, struck snow bank causing minor damage. ## Service difficulty reports (5) As reported by operators and repair stations, by the model named in the report. - [SDR HAEA200400160](https://openairdocs.org/sdr/HAEA200400160), Jul 26, 2004: FIRE LOOP. FALSE INDICATION. ENGINE NR 1 FIRE DETECTION WARNING ILLUMINATES AT EXHAUST TEMPS OF EXCEEDING 600 DEGREES CELSIUS IN CLIMB-OUT OR IN WARM AMBIENT TEMPS. REPLACED UPPER COWLING S - [SDR 00141](https://openairdocs.org/sdr/00141), May 24, 2004: ENGINE. FLAMED OUT. AIRCRAFT ENCOUNTERED TURBULENCE AT FL390K. LT ENGINE FLAMED OUT. ENGINE RELIGHT NORMAL. - [SDR 00030](https://openairdocs.org/sdr/00030), Jun 19, 2002: ENGINE. FLAMED OUT. AIRCRAFT EN ROUTE FROM ELP TO MCI CLIMBING THROUGH FL420 TO FL450 RT ENGINE FLAMED OUT. DESCENT TO FL250, PERFORMED RESTART AND CLIMBED BACK TO FL410, COMPLETED - [SDR 00005](https://openairdocs.org/sdr/00005), Oct 25, 2001: HYDRAULIC LINE. LEAKING. LEAK AT THE RETURN LINE TO ENGINE DRIVEN HYDRAULIC PUMP IN HELL HOLE OF AIRCRAFT. - [SDR 20000504SH001](https://openairdocs.org/sdr/20000504SH001), Mar 20, 2000: BEARING. DAMAGED. RIGHT AILERON - YOKE ASSY AILERON CONTROL, BEARING PN BP-4 WAS FOUND MISSING ONE BALL AND METAL RETAINER. FOUND WHEN FLIGHT CONTROLS REMOVED FOR PAINT. BEARING ## STCs that may be installed (OpenAirDocs) (66, first 50) Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [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 ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc - [STC ST12087CH](https://openairdocs.org/stc/ST12087CH): Installation replacement Cabin/Cockpit Handheld Fire Extinguishers. Avcon Industries Inc - [STC ST02097SE](https://openairdocs.org/stc/ST02097SE): Installation of replacement circuit boards for the FC-110 autopilot. Symetric Industries, DBA Extant Aerospace - [STC ST02416SE](https://openairdocs.org/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 - [STC ST02417SE](https://openairdocs.org/stc/ST02417SE): Installation of the replacement stall warning vertical accelerometer, Butler National Part Number 02904001-101. Symetric Industries, DBA Extant Aerospace - [STC ST02472AT](https://openairdocs.org/stc/ST02472AT): Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII. Aircraft Systems and Manufacturing Inc - [STC ST00738WI](https://openairdocs.org/stc/ST00738WI): Increased service life. Data required. Phoenix Air Group Inc - [STC ST01936WI](https://openairdocs.org/stc/ST01936WI): Installation of LED lights. AeroLED's Holdings LLC - [STC ST01138DE](https://openairdocs.org/stc/ST01138DE): Installation of MidContinent MD23 standby altimeter and/or attitude indicators. Butler National Corporation - [STC ST04728NY](https://openairdocs.org/stc/ST04728NY): Installation of LAI CoolView Cabin Window. Lee Aerospace Inc - [STC ST00814WI](https://openairdocs.org/stc/ST00814WI): Landing Gear Life Extension. Phoenix Air Group Inc - [STC ST03424CH](https://openairdocs.org/stc/ST03424CH): Certification of Automatic Dependent Surveillance - Broadcast (ADS-B) Out System with Rockwell Collins TDR-94/-94D Transponders. CMD Flight Solutions LLC - [STC ST00098IB](https://openairdocs.org/stc/ST00098IB): Introduction of ADS-B Out. STC Twenty One Limited - [STC ST02004WI](https://openairdocs.org/stc/ST02004WI): Installation of the Garmin GI-275 Instantaneous Vertical Speed Indicators (IVSI). Peregrine - [STC ST02230SE](https://openairdocs.org/stc/ST02230SE): The installation of dual Garmin GTX-33ES Mode-S transponders and single or dual Garmin GTN 650/750 panel mounted navigation and global positioning system (GPS) units, or dual Garmin GTX-335R and/or GTX-345R Mode-S transponders and single or dual Garmin GTN 650/750/625/725 panel mounted navigation and GPS units. Butler National Corporation - [STC ST01930LA](https://openairdocs.org/stc/ST01930LA): Installation of Sandel Avionics SN4500 Electronic Horizontal Situation Indicator (EHSI). Sandel Avionics LLC - [STC ST04177AT](https://openairdocs.org/stc/ST04177AT): Installation of a Talon Aerospace LED Replacement General Purpose Lamps. Aaxico Technical Services Inc - [STC ST02635LA](https://openairdocs.org/stc/ST02635LA): Modification to replace the existing Mode S Transponder system with the ACSS NXT-600 Mode S Transponder with ADS-B Out. Aviation Communication and Surveillance Systems (ACSS) LLC - [STC ST02681AT-D](https://openairdocs.org/stc/ST02681AT-D): Installation of Cockpit / Cabin Blower Assy. Summit Aviation Inc - [STC SA01452CH](https://openairdocs.org/stc/SA01452CH): Installation of an air ambulance conversion kit. Med-Pac Inc - [STC ST04340NY](https://openairdocs.org/stc/ST04340NY): Installation of TCAS 7.1 (ACAS II) upgrade of Prior Existing TCAS 7.0. Scandinavian Avionics Design ApS - [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 SA1670SW](https://openairdocs.org/stc/SA1670SW): Installation of engine thrust reversers. The NORDAM Group LLC - [STC ST10472SC](https://openairdocs.org/stc/ST10472SC): Replacement Thrust Reverser Accumulator for the TR3000 Thrust Reverser System. The NORDAM Group LLC - [STC SA4999NM](https://openairdocs.org/stc/SA4999NM): Installation of lifeport patient loading and support system. 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 SA1639GL](https://openairdocs.org/stc/SA1639GL): Install air ambulance conversion. Spectrum Aeromed LLC dba Spectrum Aeromed - [STC ST11071SC](https://openairdocs.org/stc/ST11071SC): Demonstration of aircraft critical equipment and antenna systems tolerance of radio frequency interference (RFI) from intentional or spurious transmissions from certain Portable Electronic Devices (PEDs). Liberty Partners Inc - [STC ST03776NY](https://openairdocs.org/stc/ST03776NY): Modification to upgrade existing Rockwell Collins TCAS (Model: TTR-920, TTR-921, and TTR-4000) at VERSION 7.0 to Rockwell Collins TCAS (Model: TTR-921, TTR-4000, and TTR-4100) at VERSION 7.1 (ACAS II). Scandinavian Avionics Design ApS - [STC ST02500SE](https://openairdocs.org/stc/ST02500SE): The installation of the Garmin GDL-88 with the Flight Stream 210 to allow ADS-B(In) Flight Information Service Broadcast (FIS-B), independent of the ADS-B(Out) solution compliance. Butler National Corporation - [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 ST02583LA](https://openairdocs.org/stc/ST02583LA): Modification of the Engine Exhaust system that installs the Alloy Aerospace, Inc. hush kit on Learjet 20 series aircraft. Alloy Aerospace Inc - [STC ST02121CH](https://openairdocs.org/stc/ST02121CH): Certification for Reduced Vertical Separation Minimum (RVSM) operational capability and installation of dual Honeywell AM-250 Altimeters and Rosemount model 0856NA Pitot-Static Probes. Flight Test Aerospace, Inc - [STC ST01733WI](https://openairdocs.org/stc/ST01733WI): Installation of the Quiet Lear Hushkit or Avcon Noise Suppressor. Butler National Corporation - [STC ST02316LA](https://openairdocs.org/stc/ST02316LA): Installation of a Crane Aerospace & Electronics Tire Sensor Assembly. ELDEC Corporation - [STC ST01734WI](https://openairdocs.org/stc/ST01734WI): Installation of an Emergency Pneumatic Reservoir Assembly, EAS P/N 1260001-02. EAS Corporation - [STC ST03132CH](https://openairdocs.org/stc/ST03132CH): Installation of a single or dual Collins TDR-94/94D Mode S Transponder using existing control head, aircraft wiring, and antenna(s). Royal Air Inc - [STC ST01271WI](https://openairdocs.org/stc/ST01271WI): Installation of IS&S Air Data Computer System Update with Rosemount Static Probes and associated equipment in Learjet series aircraft to obtain Reduced Vertical Separation Minimum approval. Global Aviation Technologies - [STC ST00462LA](https://openairdocs.org/stc/ST00462LA): Modification of the engine exhaust system. Rooke Corporation dba Aviation Equipment - [STC SA841NW](https://openairdocs.org/stc/SA841NW): Installation of the Mark II performance system, including recontoured flap leading edge, wing vortex generator removal, installation of wing stall strips and other minor refinements in accordance with Avcon Master Drawing List No. 1085 dated November 16, 2010, or later FAA approved revision. 350 Knot Vmo authorized if equipped in accordance with Avcon Master Drawing No. 1085 dated November 16, 2010, or later FAA approved revision. An FAA approved Airplane Flight Manual Supplement is required for each model. Avcon Industries Inc - [STC ST01195WI](https://openairdocs.org/stc/ST01195WI): Installation of Rosemount Pitot/Static Probes, altimeters, and associated equipment in Learjet 20 series aircraft to obtain Reduced Vertical Separation Minimum approval. Avcon Industries Inc - [STC ST01842SE](https://openairdocs.org/stc/ST01842SE): Installation of a Sandel Avionics Horizontal Situation Indicator (HSI) and Attitude Direction Indicator (ADI). Butler National Corporation - [STC SA30GL](https://openairdocs.org/stc/SA30GL): Installation of electronic engine synchronizer system. Ontic Engineering and Manufacturing Inc - [STC ST02265CH](https://openairdocs.org/stc/ST02265CH): Installation of Thrust Reverser Hydraulic System Modifications that were previously installed by STC SA1731SW, SA1669SW or SA1670SW. Leading Edge Designs LLC - [STC ST01904CH](https://openairdocs.org/stc/ST01904CH): Installation of IS&S Air Data Display Units 9D-80130-15, Analog Interface Unit 9B-81040-30, and Rosemount model 0856NA pitot-static probes. Limited to Learjet 24 models with MKII wings, 300 kts Vmo airspeed limitation, and JET FC-110 autopilot. Excludes serial numbers 25-337, 25-352, 25-361, and 25-370 through 25-372. Royal Air Inc - [STC ST02016CH](https://openairdocs.org/stc/ST02016CH): Certification for Reduced Vertical Separation Minimum (RVSM) operational capability. Excluding serial numbers 25-337, 25-352, 25-361, and 25-370 through 25-372. Royal Air Inc - [STC ST01946NY](https://openairdocs.org/stc/ST01946NY): Cockpit voice recorder replacement with Universal CVR 30B or CVR120. MidCanada Mod Center - [STC SA1170CE](https://openairdocs.org/stc/SA1170CE): Stretcher installation in cabin area. Med-Flite of Midamerica Inc - [STC ST00361DE](https://openairdocs.org/stc/ST00361DE): Installation of Puritan Bennett or B/E Aerospace Sweep on 2000 or Zodiac Intertechnique EROS crew oxygen mask. West Star Aviation All 66: https://openairdocs.org/model/gates-lear-jet-24f/stcs.md --- 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.