# N644AE: 1999 Embraer EMB-145LR

- Status: Valid registration
- Airframe: [Embraer EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (registry code 3260212, 55 seats)
- Engine: [Allison AE-3007A](https://openairdocs.org/engine/allison-ae-3007a) (registry code 03030)
- Data sheets: [TCDS T00011AT](https://openairdocs.org/tcds/T00011AT) (Embraer S.A.), [TCDS TE6CH](https://openairdocs.org/tcds/TE6CH) (Rolls-Royce Corporation) (OpenAirDocs)
- Serial number: 145204
- Year built: 1999
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: December 23, 1999
- Certificate issued: August 31, 2011
- Expires: August 31, 2027
- Mode S code: A8741C
- Registered owner: [American Airlines Inc](https://openairdocs.org/faa-owner/AMERICAN%20AIRLINES%20INC)
- Location: [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth)
- Owner type: Corporation
- Owner's area on the map: 32.8240° N, 97.0491° W: Placed by OpenAirDocs at the center of ZIP code 76155, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=644AE
- Page: https://openairdocs.org/aircraft/N644AE

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 104 in force

### Matched by airframe (Embraer EMB-145LR)

- [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02): Navigation · Airbus Canada Limited Partnership 18, 49-46, 80-A and 555 more. Effective Jul 1, 2026
- [AD 2025-08-07](https://openairdocs.org/ad/2025-08-07): Flight Controls · Embraer EMB-145, EMB-145ER, EMB-145MR and 4 more. Effective Jun 26, 2025
- [AD 2024-26-07](https://openairdocs.org/ad/2024-26-07): Fuselage · Embraer EMB-135ER, EMB-135KE, EMB-135KL and 8 more. Effective Mar 11, 2025
- [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023
- [AD 2021-07-14](https://openairdocs.org/ad/2021-07-14): Main landing gear · Yaborã Indústria Aeronáutica EMB-135BJ (Legacy 600), EMB-135BJ (Legacy 650), EMB-135ER and 10 more. Effective Apr 20, 2021
- [AD 2021-04-09](https://openairdocs.org/ad/2021-04-09): Engine fuel and control · Yaborã Indústria Aeronáutica EMB-135BJ (Legacy 600), EMB-135BJ (Legacy 650), EMB-135ER and 10 more. Effective Mar 30, 2021
- [AD 2019-03-30](https://openairdocs.org/ad/2019-03-30): Engine Exhaust · Embraer EMB-135ER, EMB-135KE, EMB-135KL and 8 more. Effective Mar 26, 2019
- [AD 2017-15-16](https://openairdocs.org/ad/2017-15-16): Flight controls · Embraer EMB-135ER, EMB-135KE, EMB-135KL and 8 more. Effective Sep 5, 2017
- [AD 2017-12-09](https://openairdocs.org/ad/2017-12-09): Fuel · Embraer EMB-135BJ (Legacy 600), EMB-135BJ (Legacy 650), EMB-135ER and 10 more. Effective Jul 20, 2017
- [AD 2017-04-12](https://openairdocs.org/ad/2017-04-12): Ice and rain protection · Embraer EMB-135BJ (Legacy 600), EMB-135BJ (Legacy 650), EMB-135ER and 10 more. Effective Mar 29, 2017
- [AD 2015-02-13](https://openairdocs.org/ad/2015-02-13): Nacelles/pylons; Fuselage · Embraer EMB-135ER, EMB-135KE, EMB-135KL and 8 more. Effective Mar 6, 2015
- [AD 2013-22-18](https://openairdocs.org/ad/2013-22-18): Fuselage · Embraer EMB-135ER, EMB-135KE, EMB-135KL and 8 more. Effective Nov 20, 2013
- [AD 2012-19-06](https://openairdocs.org/ad/2012-19-06): Stabilizers · Embraer EMB-135BJ (Legacy 600), EMB-135BJ (Legacy 650), EMB-135ER and 9 more. Effective Oct 29, 2012
- [AD 2011-21-15](https://openairdocs.org/ad/2011-21-15): Fuselage · Embraer EMB-135ER, EMB-135KE, EMB-135KL and 7 more. Effective Nov 23, 2011
- [AD 2011-01-09](https://openairdocs.org/ad/2011-01-09): Oxygen · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 290 more. Effective Feb 9, 2011
- [AD 2010-16-02](https://openairdocs.org/ad/2010-16-02): Airborne Auxiliary Power · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Sep 9, 2010
- [AD 2010-16-01](https://openairdocs.org/ad/2010-16-01): Fuel · Embraer EMB-135ER, EMB-135KE, EMB-135KL and 8 more. Effective Sep 9, 2010
- [AD 2010-12-07](https://openairdocs.org/ad/2010-12-07): Wings · Embraer EMB-135ER, EMB-135KE, EMB-135KL and 8 more. Effective Jul 22, 2010
- [AD 2010-11-01](https://openairdocs.org/ad/2010-11-01): Fuselage · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Jul 6, 2010
- [AD 2010-10-11](https://openairdocs.org/ad/2010-10-11): Landing gear · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Jun 21, 2010
- [AD 2010-07-02](https://openairdocs.org/ad/2010-07-02): Integrated navigation units (INUs) · 328 Support Services 328-100, 328-300, Jetstream Model 4101 and 26 more. Effective May 3, 2010
- [AD 2010-03-07](https://openairdocs.org/ad/2010-03-07): Landing gear · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Mar 11, 2010
- [AD 2009-26-02](https://openairdocs.org/ad/2009-26-02): Ice and rain protection · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Jan 19, 2010
- [AD 2009-01-05](https://openairdocs.org/ad/2009-01-05): Maximum takeoff weight (MTOW) · Embraer EMB-145, EMB-145EP, EMB-145ER and 4 more. Effective Mar 27, 2009
- [AD 2008-22-19](https://openairdocs.org/ad/2008-22-19): Flight deck · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Dec 19, 2008
- [AD 2008-17-05](https://openairdocs.org/ad/2008-17-05): Fuel tanks · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Sep 23, 2008
- [AD 2008-10-08](https://openairdocs.org/ad/2008-10-08): Reduces the compliance time for doing the modification · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective May 23, 2008
- [AD 2008-05-02](https://openairdocs.org/ad/2008-05-02): Tail section or rudder pedals · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Apr 8, 2008
- [AD 2008-03-03](https://openairdocs.org/ad/2008-03-03): Elevator control system · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Feb 14, 2008
- [AD 2007-24-03](https://openairdocs.org/ad/2007-24-03): Forward fuselage right hand (RH) side skin · Embraer EMB-135ER, EMB-135KE, EMB-135KL and 8 more. Effective Jan 2, 2008
- [AD 2007-10-11](https://openairdocs.org/ad/2007-10-11): Electrical bonding clamps · Embraer EMB-135BJ (Legacy 600), EMB-135LR, EMB-145LR and 2 more. Effective Jun 21, 2007
- [AD 2007-04-09](https://openairdocs.org/ad/2007-04-09): Left- and right-hand windshield temperature controllers · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Mar 23, 2007
- [AD 2007-04-03](https://openairdocs.org/ad/2007-04-03): Pitot static heating relay K0057 · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Mar 21, 2007
- [AD 2006-19-04](https://openairdocs.org/ad/2006-19-04): Honeywell COM unit and Mode S transponder · Bombardier BD-700-1A10, BD-700-1A11, 550 and 26 more. Effective Oct 17, 2006
- [AD 2006-16-17](https://openairdocs.org/ad/2006-16-17): Torque values of the screws that attach the seat tracks · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Sep 25, 2006
- [AD 2006-07-01](https://openairdocs.org/ad/2006-07-01): Horizontal stabilizer control unit (HSCU) · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective May 1, 2006
- [AD 2006-03-06](https://openairdocs.org/ad/2006-03-06): Pilot's and co-pilot's seat tracks · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Mar 13, 2006
- [AD 2005-25-17](https://openairdocs.org/ad/2005-25-17): Auxiliary power unit (APU) · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Jan 18, 2006
- [AD 2005-24-11](https://openairdocs.org/ad/2005-24-11): Elevator gust lock system · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Jan 9, 2006
- [AD 2005-24-02](https://openairdocs.org/ad/2005-24-02): Airplane flight manual (AFM) · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Dec 28, 2005
- [AD 2005-23-20](https://openairdocs.org/ad/2005-23-20): Auxiliary power unit (APU) · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Dec 27, 2005
- [AD 2005-23-13](https://openairdocs.org/ad/2005-23-13): Nose landing gear (NLG) wheel · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Dec 19, 2005
- [AD 2005-22-08](https://openairdocs.org/ad/2005-22-08): Total air temperature (TAT) sensor heating system · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Nov 30, 2005
- [AD 2005-20-37](https://openairdocs.org/ad/2005-20-37): Main landing gear (MLG) trailing arms and integrity of the MLG pivot axle sealant. · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Nov 16, 2005
- [AD 2005-14-02](https://openairdocs.org/ad/2005-14-02): Left and right engine fire handles · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Aug 15, 2005
- [AD 2005-14-03](https://openairdocs.org/ad/2005-14-03): Engine-driven hydraulic pump · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Aug 10, 2005
- [AD 2005-13-22](https://openairdocs.org/ad/2005-13-22): Electric fuel pumps · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Jul 7, 2005
- [AD 2005-05-09](https://openairdocs.org/ad/2005-05-09): Forward upper liners · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Apr 14, 2005
- [AD 2005-04-05](https://openairdocs.org/ad/2005-04-05): Air turbine starter (ATS) · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Mar 24, 2005
- [AD 2005-01-05](https://openairdocs.org/ad/2005-01-05): Nose Landing Gear Wheel Nuts and Associated Inner and Outer Seals, and Reidentifying the Landing Gear Strut · Embraer EMB-135BJ (Legacy 600), EMB-135ER, EMB-135KE and 9 more. Effective Feb 9, 2005

### Matched by engine (Allison AE-3007A)

- [AD 2020-16-13](https://openairdocs.org/ad/2020-16-13): Turbine Engine Compressor Section · Rolls-Royce AE 3007A, AE 3007A1, AE 3007A1/1 and 5 more. Effective Aug 14, 2020
- [AD 2017-26-06](https://openairdocs.org/ad/2017-26-06): Turbine/turboprop Engine, Turbine · Rolls-Royce AE 3007A, AE 3007A1, AE 3007A1/1 and 7 more. Effective Jan 31, 2018
- [AD 2013-26-06](https://openairdocs.org/ad/2013-26-06): High-pressure turbine (HPT) stage 2 wheels · Rolls-Royce AE 3007A, AE 3007A1, AE 3007A1/1 and 5 more. Effective Feb 7, 2014
- [AD 2011-22-03](https://openairdocs.org/ad/2011-22-03): Low-cycle fatigue cracks · Rolls-Royce AE 3007A, AE 3007A1, AE 3007A1/1 and 4 more. Effective Nov 17, 2011
- [AD 2007-24-05](https://openairdocs.org/ad/2007-24-05): Engine oil temperature · Rolls-Royce AE 3007A, AE 3007A1, AE 3007A1/1 and 8 more. Effective Jan 2, 2008
- [AD 2004-04-05](https://openairdocs.org/ad/2004-04-05): Engine oil system · Rolls-Royce AE 3007A, AE 3007A1, AE 3007A1P and 4 more. Effective Mar 9, 2004
- [AD 2001-25-05](https://openairdocs.org/ad/2001-25-05): Compressor Cone Shafts · Rolls-Royce AE 3007A, AE 3007A1, AE 3007A1P and 4 more. Effective Jan 23, 2002
- [AD 2001-19-03](https://openairdocs.org/ad/2001-19-03): High Pressure Turbine 1st to 2nd Stage Turbine Spacer · Rolls-Royce AE 3007A and AE 3007C. Effective Oct 29, 2001
- [AD 2001-17-31](https://openairdocs.org/ad/2001-17-31): Second Stage High Pressure Turbine Wheel · Rolls-Royce AE 2100A, AE 2100C, AE 2100D3 and 2 more. Effective Oct 5, 2001
- [AD 2000-18-06](https://openairdocs.org/ad/2000-18-06): Digital Electronic Controls · Rolls-Royce AE 3007A, AE 3007A1, AE 3007A1P and 5 more. Effective Sep 22, 2000
- [AD 2000-13-01](https://openairdocs.org/ad/2000-13-01): Turbine Wheels · Rolls-Royce AE 3007A, AE 3007A1, AE 3007A1P and 5 more. Effective Sep 1, 2000
- [AD 2000-11-22](https://openairdocs.org/ad/2000-11-22): Critical Life-Limited Parts · Rolls-Royce AE 3007A, AE 3007A1, AE 3007A1P and 5 more. Effective Aug 7, 2000
- [AD 99-03-03](https://openairdocs.org/ad/99-03-03): Full Authority Digital Engine Control (FADEC) · Rolls-Royce AE 3007A and AE 3007A1/1. Effective Feb 16, 1999
- [AD 98-11-32](https://openairdocs.org/ad/98-11-32): Sump Magnetic Chip Collector Plug · Rolls-Royce AE 3007A, AE 3007A1, AE 3007A1P and 5 more. Effective Jun 18, 1998

### Historical (superseded or no longer in force)

- [AD 2008-13-14](https://openairdocs.org/ad/2008-13-14) (historical): Fuel system limitations (FSL) · Embraer - Empresa Brasileira de Aeronautica EMB-135ER, EMB-135KE, EMB-135KL and 8 more. Effective Jul 30, 2008
- [AD 2007-12-17](https://openairdocs.org/ad/2007-12-17) (historical): Metallic tubes enclosing the vent and pilot valve wires · Embraer - Empresa Brasileira de Aeronautica EMB-135BJ, EMB-135ER, EMB-135KE and 9 more. Effective Jul 19, 2007
- [AD 2006-22-05](https://openairdocs.org/ad/2006-22-05) (historical): Integrated navigation units (INUs) · 328 Support Services 328-100, 328-300, Jetstream Model 4101 and 27 more. Effective Dec 1, 2006
- [AD 2006-20-08](https://openairdocs.org/ad/2006-20-08) (historical): Rod ends of aileron power control actuator, superseding AD 99-05-04 · Embraer EMB-145, EMB-145EP, EMB-145ER and 4 more. Effective Nov 8, 2006
- [AD 2006-04-02](https://openairdocs.org/ad/2006-04-02) (historical): Pitot static heating relay K0057 · Embraer - Empresa Brasileira de Aeronautica EMB-135BJ, EMB-135ER, EMB-135KE and 9 more. Effective Mar 31, 2006
- [AD 2005-26-15](https://openairdocs.org/ad/2005-26-15) (historical): Certain components of the elevator control system · Embraer - Empresa Brasileira de Aeronautica EMB-135BJ, EMB-135ER, EMB-135KE and 8 more. Effective Feb 3, 2006
- [AD 2005-25-04](https://openairdocs.org/ad/2005-25-04) (historical): Tail section or rudder pedals · Embraer - Empresa Brasileira de Aeronautica EMB-135BJ, EMB-135ER, EMB-135KE and 9 more. Effective Dec 23, 2005
- [AD 2001-17-04](https://openairdocs.org/ad/2001-17-04) (historical): Horizontal Stabilizer · Embraer - Empresa Brasileira de Aeronautica EMB-135ER, EMB-135LR, EMB-145 and 3 more. Effective Sep 5, 2001
- [AD 2000-04-09](https://openairdocs.org/ad/2000-04-09) (historical): Elevator Servo Tab and Spring Tab Hinge Fittings of the Horizontal Stabilizer · Embraer - Empresa Brasileira de Aeronautica EMB-135ER, EMB-135LR, EMB-145 and 3 more. Effective Mar 10, 2000
- [AD 2010-19-01](https://openairdocs.org/ad/2010-19-01) (historical): High pressure turbine · Rolls-Royce AE 3007A. Effective Oct 27, 2010
- [AD 2009-08-51](https://openairdocs.org/ad/2009-08-51) (historical): High-pressure turbine · Rolls-Royce AE 3007A, AE 3007A1, AE 3007A1/1 and 6 more. Effective May 27, 2009
- [AD 2008-26-06](https://openairdocs.org/ad/2008-26-06) (historical): High-pressure turbine (HPT) · AE 3007A. Effective Jan 8, 2009
- [AD 2008-19-51](https://openairdocs.org/ad/2008-19-51) (historical): AE 3007A, AE 3007A1, AE 3007A1E and 5 more
- [AD 2001-08-15](https://openairdocs.org/ad/2001-08-15) (historical): Oil System · AE 3007A, AE 3007A1, AE 3007A1P and 4 more. Effective May 14, 2001
- [AD 2000-09-05](https://openairdocs.org/ad/2000-09-05) (historical): Cone Shafts · AE 3007A, AE 3007A1, AE 3007A1P and 4 more. Effective Jul 5, 2000
- [AD 99-02-51](https://openairdocs.org/ad/99-02-51) (historical): Starter Shaft Seal · AE 3007A, AE 3007A1, AE 3007A1P and 5 more. Effective Apr 20, 1999

All 120: https://openairdocs.org/aircraft/N644AE/ads.md

## Information bulletins (advisory) (8 in force)

- [SAIB AIR-21-15R1](https://openairdocs.org/saib/AIR-21-15R1): Navigation System. Issued Sep 16, 2021
- [SAIB AIR-20-17](https://openairdocs.org/saib/AIR-20-17): Air Conditioning - Cabin Pressure Control System. Issued Nov 3, 2020
- [SAIB NM-19-17](https://openairdocs.org/saib/NM-19-17): Ice and Rain Protection: Electrical Wiring Terminations at Pitot and TAT Relays. Issued Dec 5, 2019
- [SAIB NM-10-13](https://openairdocs.org/saib/NM-10-13): Navigation: Flight Management System. Issued Jan 7, 2010
- [SAIB NM-09-03](https://openairdocs.org/saib/NM-09-03): Engine Fuel and Control - Implementing Fuel Tank System Airworthiness Limitations. Issued Dec 11, 2008
- [SAIB NM-08-15](https://openairdocs.org/saib/NM-08-15): Instruments: Contamination of the Attitude Heading Reference System (AHRS) Computers. Issued Mar 26, 2008
- [SAIB NM-07-40](https://openairdocs.org/saib/NM-07-40): Embraer EMB-135/145 Landing Gear Incident. Issued Jul 9, 2007
- [SAIB NM-07-20](https://openairdocs.org/saib/NM-07-20): Flight Data Recorders. Issued Mar 21, 2007
- [SAIB AIR-21-15](https://openairdocs.org/saib/AIR-21-15) (historical): Navigation System. Issued Aug 26, 2021

## NTSB investigations

None matched to N644AE.

## FAA accident and incident reports (1)

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 20200206004439I](https://openairdocs.org/incident/20200206004439I), Feb 6, 2020: Embraer EMB-145EP (N644AE), Charlotte, NC, Minor damage. Aircraft was on approach to clt runway 36C at 500 feet. Aircraft was struck by lightening hitting the left engine.

## Service difficulty reports (197, newest 50)

As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR HNAA202608100646](https://openairdocs.org/sdr/HNAA202608100646), Aug 3, 2026: O-RING. LEAKING. EXHAUST FUME SMELL IN COCKPIT. APU BLEED SYSTEM. R&R APU BLEED VALVE O-RINGS IAW AMM 36-12-03. OPS CHECKED GOOD. LEAKS CHECK GOOD.NO OTHER OR FUMES IN COCKPIT O
- [SDR HNAA2026080400644](https://openairdocs.org/sdr/HNAA2026080400644), Aug 3, 2026: O-RING. LEAKING. EXHAUST FUME ODOR IN COCKPIT. MEL C21521, 36-2 APU BLEED SYSTEM. R & R APU BLEED VALVE O-RINGS IAW AMM 36-12-03. OPS CHKD GOOD. LEAK CHKD GOOD. NO OTHER OR FUME
- [SDR HNAA2026072200600](https://openairdocs.org/sdr/HNAA2026072200600), Jul 20, 2026: ENGINE. HUNG START. NUMBER 2 ENGINE HAD HUNG START WITH WHITE SMOKE AND A FUEL ODOR IN FLIGHT DECK AND CABIN. PERFORMED ENGINE 2 START ON BOTH FADEC CHANNELS IAW MM 72-00-00-860-80
- [SDR HNAA2026031800226](https://openairdocs.org/sdr/HNAA2026031800226), Feb 16, 2026: ANGLE. CRACKED. RIGHT OVERWING FAIRING 1ST ANGLE CRACKED. REPAIRED ANGLE IAW SRM 57-20-01RE
- [SDR HNAA2026031700217](https://openairdocs.org/sdr/HNAA2026031700217), Feb 16, 2026: ANGLE. CRACKED. LT OVERWING FAIRING 1ST ANGLE CRACKED. REMOVED, FABRICATED ANGLE, AND INSTALLED IAW SRM 57-20-01
- [SDR HNAA2026031100207](https://openairdocs.org/sdr/HNAA2026031100207), Feb 16, 2026: ANGLE. CRACKED. LEFT OVERWING FAIRING 4TH ANGLE CRACKED. REPAIRED ANGLE IAW SRM 57-20-01 ITEM 3 (FIG 205)
- [SDR HNAA2026030400196](https://openairdocs.org/sdr/HNAA2026030400196), Feb 16, 2026: ANGLE. CRACKED. RIGHT OVERWING FAIRING 4TH ANGLE CRACKED. R A R ANGLE IAW SRM 51-40-02
- [SDR HNAA2026030200164](https://openairdocs.org/sdr/HNAA2026030200164), Feb 16, 2026: ANGLE. CRACKED. RIGHT OVERWING FAIRING 5TH ANGLE CRACKED. CUTOUT PERFORMED, REPAIR DOUBLER AND FILLER INSTALLED IAW SRM 57-20-01 AND EO1-57-26-0079
- [SDR HNAA2026022400156](https://openairdocs.org/sdr/HNAA2026022400156), Feb 16, 2026: ANGLE. CRACKED. RIGHT OVERWING FAIRING 2ND ANGLE CRACKED. RAR ANGLE IAW SRM 51-40-02
- [SDR HNAA2026022000144](https://openairdocs.org/sdr/HNAA2026022000144), Feb 16, 2026: FAIRING. CRACKED. LEFT OVERWING FAIRING CRACKED AT 2ND ANGLE. RAR ANGLE IAW SRM 51-40-02
- [SDR HNAA2026032600245](https://openairdocs.org/sdr/HNAA2026032600245), Feb 12, 2026: TRUNNION. DAMAGED. RIGHT NLG BEARING HOUSING HAS TEMPORARY REPAIR IAW ETD2023-145-026080A REQUIRES REPLACEMENT. R & R THE RT NLG TRUNNION IAW ETD2023-145-026080 REV. A AND PIEDMON
- [SDR HNAA2026031700221](https://openairdocs.org/sdr/HNAA2026031700221), Feb 12, 2026: RIB. CRACKED. 53-2200 LH AND RH WHEEL WELL REAR RIBS CRACKED. RAR RIBS IAW SRM 51-40-02
- [SDR HNAA2026031000206](https://openairdocs.org/sdr/HNAA2026031000206), Feb 11, 2026: BRACKET. CRACKED. 54-2176 RH PYLON HAS CRACKED FORE PRECOOLER STRUCTURE BRACKET. RAR BRACKET IAW SRM 51-40-02
- [SDR HNAA2026030400195](https://openairdocs.org/sdr/HNAA2026030400195), Feb 11, 2026: BRACKET. CRACKED. LEFT PYLON FWD AND AFT PRECOOLER STUCTURE BRACKETS CRACKED. RAR BRACKETS IAW SRM 51-40-02
- [SDR HNAA2026031100208](https://openairdocs.org/sdr/HNAA2026031100208), Feb 10, 2026: SHEAR TIE. CRACKED. SHEAR TIE CRACKED AT FR67 BTW STR8-9L. REMOVED, FABRICATED NEW PART IAW DWG 145-24766-013 WITH ETD145-26-003130, AND INSTALLED SHEAR TIE IAW SRM 51-40-02
- [SDR HNAA2026022000148](https://openairdocs.org/sdr/HNAA2026022000148), Feb 10, 2026: ANGLE. CRACKED. LWR ANGLE CRACKED AT FR67. R & R ANGLE IAW SRM 51-40-02
- [SDR HNAA2026022000147](https://openairdocs.org/sdr/HNAA2026022000147), Feb 10, 2026: ANGLE. CRACKED. LWR ANGLE CRACKED AT FR66. R & R ANGLE IAW SRM 51-40-02.
- [SDR HNAA2026022000143](https://openairdocs.org/sdr/HNAA2026022000143), Feb 10, 2026: TEE ANGLE. CORRODED. CORROSION ON RT FLOOR T PROFILE AT FR61. RAR PROFILE IAW SRM 51-40-02
- [SDR HNAA2026022000142](https://openairdocs.org/sdr/HNAA2026022000142), Feb 10, 2026: ANGLE. CRACKED. ANGLE CRACKED AT FR62 BTW STR4-5R. RAR ANGLE IAW SRM 51-40-02
- [SDR HNAA2026022000141](https://openairdocs.org/sdr/HNAA2026022000141), Feb 10, 2026: SUPPORT ANGLE. CORRODED. SUPPORT ANGLE CORRODED AT BTW FR67-68 STR4R. RAR SUPPORT IAW SRM 51-40-02
- [SDR HNAA2026021700135](https://openairdocs.org/sdr/HNAA2026021700135), Feb 10, 2026: SHEAR TIE. CRACKED. SHEAR TIE CRACKED AT FR65 BTW STR18 - 19L. R & R SHEAR TIE IAW SRM 51-40-02.
- [SDR HNAA2026031700216](https://openairdocs.org/sdr/HNAA2026031700216), Feb 9, 2026: FLOOR SUPPORT. CRACKED. LEFT OMEGA BEAM CRACKED AT BTW FR23-24. REPAIRED IAW ETD2026-145-00206 AND EO1-53-26-0099
- [SDR HNAA2026031700215](https://openairdocs.org/sdr/HNAA2026031700215), Feb 9, 2026: FLOOR SUPPORT. CRACKED. LEFT OMEGA BEAM CRACKED AT FR21. REPAIRED IAW ETD2026-145-002736
- [SDR HNAA2026031600214](https://openairdocs.org/sdr/HNAA2026031600214), Feb 9, 2026: SUPPORT. CRACKED. LEFT OMEGA BEAM IB AND OTBD WING STUB ANGLES CRACKED AT BTW FR 45-50. R & R STUB ANGLES IAW SRM 51-40-02 AND 53-23-02.
- [SDR HNAA2026031200211](https://openairdocs.org/sdr/HNAA2026031200211), Feb 9, 2026: FLOOR SUPPORT. CRACKED. 53-2057 OMEGA BEAM CRACKED AT FR22. REPAIRED BEAM IAW ETD2026-145-002736 AND SRM1142 53-21-10-RE ITEM 7, FIG 206
- [SDR HNAA2026031100209](https://openairdocs.org/sdr/HNAA2026031100209), Feb 9, 2026: FLOOR SUPPORT. CRACKED. 53-2057 LH OMEGA BEAM CRACKED AT FR22. REPAIRED IAW ETD145-26-02736, SRM 1142-53-21-10-RE, AND EO 1-53-26-0099
- [SDR HNAA2026031000205](https://openairdocs.org/sdr/HNAA2026031000205), Feb 9, 2026: FLOOR SUPPORT. CORRODED. LH OMEGA BEAM CORRODED ON IB SIDE AT FR38. REPAIRED IAW SRM53-00-10
- [SDR HNAA2026030900201](https://openairdocs.org/sdr/HNAA2026030900201), Feb 9, 2026: FLOOR SUPPORT. CRACKED. 53-2059 LH OMEGA BEAM CORACKED AT FR24. REPAIRED IAW ETD 2026-145-002792 AND SRM 1142-53-22-10-RE #4 FIG 203
- [SDR HNAA2026030900200](https://openairdocs.org/sdr/HNAA2026030900200), Feb 9, 2026: FLOOR SUPPORT. CRACKED. LEFT OMEGA BEAM #2 AT FR27 IB VERTICAL FLANGE CRACKED. REPAIRED IAW ETD2026-145-002792 AND EO1-53-26-0075
- [SDR HNAA2026030500197](https://openairdocs.org/sdr/HNAA2026030500197), Feb 9, 2026: FLOOR SUPPORT. CRACKED. CTR OMEGA BEAM #2 AT FR31 IB VERTICAL FLANGE CRACKED. REPAIRED IAW ETD2026-145-002717 AND EO 1-53-26-0069
- [SDR HNAA2026030200163](https://openairdocs.org/sdr/HNAA2026030200163), Feb 9, 2026: FLOOR SUPPORT. CRACKED. LEFT OMEGA BEAM NR 3 CRACKED AT FR31 INBD FLANGE. REPAIRED IAW ETD2026-145-002719 AND EO1-53-26-0068
- [SDR HNAA2026022000145](https://openairdocs.org/sdr/HNAA2026022000145), Feb 9, 2026: SEAL. CRACKED. NR 4 SPRING SEAL CRACKED OM RT UPPER COWL. R & R SPRING SEAL IAW SRM 51-40-02.
- [SDR HNAA2026021900140](https://openairdocs.org/sdr/HNAA2026021900140), Feb 9, 2026: PAN. CRACKED. PILOT SEAT BOTTOM PAN CRACKED. R & R SEAT PAN IAW SRM 51-40-02.
- [SDR HNAA2026021900139](https://openairdocs.org/sdr/HNAA2026021900139), Feb 9, 2026: SEAL. CRACKED. SPRING SEAL ON LT LWR COWL CRACKED. R & R SPRING SEAL IAW SRM 51-40-02.
- [SDR HNAA2026021700137](https://openairdocs.org/sdr/HNAA2026021700137), Feb 9, 2026: FLOOR SUPPORT. CORRODED. AFT PAX DOOR ENTRY DIGITAL CORRODED AT BTW FR16-18. RAR DIGITAL IAW SRM 51-40-02
- [SDR HNAA2026021700136](https://openairdocs.org/sdr/HNAA2026021700136), Feb 9, 2026: FLOOR SUPPORT. CORRODED. CORRODED AFT FLOOR SUPPORT ANGLE AT PAX DOOR ENRTY BTW FR17-18. R & R ANGLE IAW SRM 51-40-02
- [SDR HNAA2026021300118](https://openairdocs.org/sdr/HNAA2026021300118), Feb 9, 2026: GUSSET. CORRODED. LEFT GUSSET NR 4 CORRODED. R & R GUSSET IAW SRM 51-40-02.
- [SDR HNAA2026021300117](https://openairdocs.org/sdr/HNAA2026021300117), Feb 9, 2026: ANGLE. CRACKED. LEFT OMEGA BEAM INBD & OTBD DIGITAL ANGLES CRACKED AT FR16. R & R ANGLES IAW SRM 51-40-02.
- [SDR HNAA2026021200116](https://openairdocs.org/sdr/HNAA2026021200116), Feb 9, 2026: DOUBLER. CORRODED. RIGHT OMEGA BEAM DOUBLER CORRODED AT FR 20. R & R DOUBLER IAW SRM 51-40-02.
- [SDR HNAA2026031700222](https://openairdocs.org/sdr/HNAA2026031700222), Dec 12, 2025: RETAINER. CRACKED. 410 RH IB FLAP AERODYNAMIC SEAL SHROUD RETAINER CRACKED. RAR RATAINER IAW 51-40-02
- [SDR HNAA2025052100360](https://openairdocs.org/sdr/HNAA2025052100360), May 20, 2025: DOOR. NO DISCREPANCY. DURING CLIMB OUT BAGG OPEN IND PRESENTED WITH CABIN RATE CLIMB 2000 FT PER MIN. OPENED AND CLOSED DOOR SEVERAL TIMES DOOR OPS NORMALLY AS REQ
- [SDR HNAA2024101400962](https://openairdocs.org/sdr/HNAA2024101400962), Oct 13, 2024: FAIRING. DAMAGED. LIGHNING DAMAGE TO RH ELEVATOR TIP FAIRING. RAR TIP FAIRING IAW AMM 55-20-01
- [SDR HNAA2024092600877](https://openairdocs.org/sdr/HNAA2024092600877), Jul 25, 2024: SKIN. CRACKED. RH WING LWR SKIN CRACKED BTW RIB 11-12, SPAR II. REPAIRED IAW EO1-57-24-0511
- [SDR HNAA2024081300697](https://openairdocs.org/sdr/HNAA2024081300697), Jul 25, 2024: SKIN. CRACKED. LH LWR SKIN PANEL PN 145-66205-005 HAS 3" CRACK AT TR-4374.44 BTW RIBS11-12, SPAR II. REPAIRED IAW EO1-57-24-0510
- [SDR HNAA2024021500070](https://openairdocs.org/sdr/HNAA2024021500070), Feb 14, 2024: UPLOCK. FAULTED. DURING CLIMB AT 6000-1000FT AND ON DECENT AT 8,000 FT LOUD BANGING SOUND COMING FROM NOSE GEAR AREA. VIBRATION FELT IN FLT DECK FLOOR. R&R NLG UPLOCK BOX IAW EM
- [SDR HNAA2023110100371](https://openairdocs.org/sdr/HNAA2023110100371), Oct 31, 2023: UNKNOWN. UNKNOWN. DURING T/O PACK 1-2 OVHT DISPLAYED WITH STRONG FUME SMELL IN FLT DECK FOLLOWED QRH RESET PACKS MESSAGE CLEARED SMELL DISSIPATED FACT 31OCT23 14:09 CLT PERFORMED
- [SDR HNAA2023102600367](https://openairdocs.org/sdr/HNAA2023102600367), Oct 25, 2023: UNKNOWN. UNKNOWN. PACK 1 OVERHEAT DISPLAYED PRIOR TO ROTATION. COULD NOT DUPLICATE FAULT OF PACK #1 OVERHEAT. PERFORMED PACK #1 OVERHEAT TEST IAW AMM REF 21-51-09. OK FOR SERVICE
- [SDR HNAA2023101900361](https://openairdocs.org/sdr/HNAA2023101900361), Oct 18, 2023: UNKNOWN. UNKNOWN. SUSPECTED FUEL LEAK FROM LH WING IN FLIGHT. MX INSPECTED LH WING FOR FUEL LEAK.FOUND LOOSE FASTENERS RESECURED FASTENERS AS REQUIRED, NO FUEL LEAK EVIDENCE FOUN
- [SDR HNAA2023080700285](https://openairdocs.org/sdr/HNAA2023080700285), Jul 15, 2023: FLOORBEAM. CORRODED. LAV CENTER FLOORBEAM GUSSSET HAS LEVEL 1 CORROSION. BLENDED CORROSION ON LAV FLOORBEAM GUSSET IAW EMB145 SRM 511003. UPON INVESTIGATION LAV CENTER FLOORBEAM GUS
- [SDR HNAA2023080700284](https://openairdocs.org/sdr/HNAA2023080700284), Jul 14, 2023: UNKNOWN. UNKNOWN. E986248 REAR FUSELAGE SKIN BUSHING REPAIRS AT FR 77 STGR 4R-5R (LOWER BUSHING), AND STGR 8R-9R. REQUIRE DT INSPECTION IAW EMB 145 SRM 53-32-01, ITEM 10. ACCOMPL

All 197: https://openairdocs.org/aircraft/N644AE/reports.md

## STCs that may be installed (OpenAirDocs) (75, first 50)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Embraer EMB-145LR)

- [STC ST00885LA](https://openairdocs.org/stc/ST00885LA): Installation of fire extinguisher cartridges as replacements for Pacific Scientific fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON, LLC d/b/a MASS Systems
- [STC ST02176AT-D](https://openairdocs.org/stc/ST02176AT-D): Installation of a Teledyne Mini Flight Data Acquistion Unit. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST02216AT-D](https://openairdocs.org/stc/ST02216AT-D): Installation of Teledyne Mini Flight Data Acquisition Unit in a Provisioned EMB-135/145. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST02310AT](https://openairdocs.org/stc/ST02310AT): Installation of SAF-T-GLO photoluminescent floor proximity emergency escape path marking system (FPEEPMS). STG Aerospace Inc
- [STC ST00892LA](https://openairdocs.org/stc/ST00892LA): Installation of Emergency Vision Assurance System (EVAS). VisionSafe LLC
- [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc
- [STC ST01409LA](https://openairdocs.org/stc/ST01409LA): Installation of a reinforced cockpit door. Safran Cabin Inc
- [STC ST01984LA-D](https://openairdocs.org/stc/ST01984LA-D): Modification and installation of passenger seats, passenger service units and filler panels, seat track covers, and seat row placards. Safran Cabin Inc
- [STC ST04219NY](https://openairdocs.org/stc/ST04219NY): Installation of SpaceX Starlink Aviation System. Aerospace Design & Compliance LLC
- [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 ST00640DE](https://openairdocs.org/stc/ST00640DE): Installation of Tropospheric Airborne Meteorolocigal Data Reporting System (TAMDAR). FLYHT Inc
- [STC ST00079IB](https://openairdocs.org/stc/ST00079IB): Integration of Halon-free Portable Fire Extinguisher HAFEX. UMLAUT ENGINEERING GMBH
- [STC ST00215IB](https://openairdocs.org/stc/ST00215IB): Installation of saf-Tglo ECO Photoluminescent Aisle Path Marking Systems. STG AEROSPACE GERMANY GmbH
- [STC ST04159CH](https://openairdocs.org/stc/ST04159CH): Upgrade of Honeywell Primus II Communications Units RCZ-8XX Transponders to support Certification of Automatic Dependent Surveillance -Broadcast (ADS-B) Out. CMD Flight Solutions LLC
- [STC ST04527CH](https://openairdocs.org/stc/ST04527CH): Installation of a 16 passenger configuration. C&L STC Holdings LLC
- [STC ST04177NY](https://openairdocs.org/stc/ST04177NY): Installation of ALI LED Cabin Lighting, Cabin and Crew AC Power Outlets, LH Fwd Closet and Misc Cabin Mods. C & L STC Holdings LLC
- [STC ST01983WI](https://openairdocs.org/stc/ST01983WI): Installation of a folding stair in the main entrance for models equipped with a side-hinged main door. Worldwide Aviation Engineering LLC
- [STC ST04212NY](https://openairdocs.org/stc/ST04212NY): Installation of Universal UNS-1Lw Flight Management System. C&L Engineering Services, LLC
- [STC ST04562NY](https://openairdocs.org/stc/ST04562NY): Installation of saf-Tglo® SuperSeal UltraLite-X (SSUL-X) Photoluminescent Floor Proximity Emergency Escape Path Marking Systems. STG AEROSPACE GERMANY GmbH
- [STC ST00098IB](https://openairdocs.org/stc/ST00098IB): Introduction of ADS-B Out. STC Twenty One Limited
- [STC ST04213NY](https://openairdocs.org/stc/ST04213NY): PAX Social Distance Floorplan Reconfiguration. C&L Engineering Services LLC
- [STC ST04281AT](https://openairdocs.org/stc/ST04281AT): Installation for the Upgrade of the NZ-2000 FMS computer for software version NZ6. Chippewa Aerospace Inc
- [STC ST03158CH-D](https://openairdocs.org/stc/ST03158CH-D): Installation of a Reconfiguration of a Cabin Floorplan. Standard Aero Business Aviation Services LLC
- [STC SA9087SC-D](https://openairdocs.org/stc/SA9087SC-D): RECORE® Hamilton Sundstrand heat exchanger, P/N 816630-1 / -2 in accordance with Honeywell LORI Sealed Drawing List SDL3869-1 Rev. A, dated June 7, 2005 or later FAA approved revision. Honeywell International Inc
- [STC ST04177AT](https://openairdocs.org/stc/ST04177AT): Installation of a Talon Aerospace LED Replacement General Purpose Lamps. Aaxico Technical Services Inc
- [STC ST01039DE](https://openairdocs.org/stc/ST01039DE): Passenger seating arrangement for 30 or less passengers. Deluxe Public Charter LLC
- [STC ST04537NY](https://openairdocs.org/stc/ST04537NY): Installation of Air Filtration. Kilroy Aviation LLC
- [STC ST09858SC](https://openairdocs.org/stc/ST09858SC): Installation of cabin automatic coffee brewing system. Safran Cabin Germany Gmbh
- [STC ST04255CH](https://openairdocs.org/stc/ST04255CH): Installation of an Automatic Dependent Surveillance-Broadcast (ADS-B Out) System. ENVOY AIR
- [STC ST03420NY](https://openairdocs.org/stc/ST03420NY): Installation of a Cabin Interior. Delta Engineering Corporation
- [STC ST02327LA](https://openairdocs.org/stc/ST02327LA): Installation of replacement proximity sensor harness assembly part numbers used on the nose and main landing gears. Safran Electrical Components USA Inc
- [STC ST04423NY](https://openairdocs.org/stc/ST04423NY): Installation of ADS-B Out. FTI Engineering Nework GmbH
- [STC ST00015IB](https://openairdocs.org/stc/ST00015IB): Installation of a Honeywell HF Communication System, model KHF 1050, with provisions for a dual installation. Embraer Engineering & Technology Center - USA Inc
- [STC ST00014IB](https://openairdocs.org/stc/ST00014IB): Installation of a second Honeywell HF Communication System, model KHF 1050. Embraer Engineering & Technology Center - USA 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 ST04333NY](https://openairdocs.org/stc/ST04333NY): Installation of sat: Tglo® Photolumincsccnt Aisle Path Marking System. STG Aerospace Ltd
- [STC ST10550SC](https://openairdocs.org/stc/ST10550SC): Installation of a WeatherMASTER X-Band Fuselage Nose Radome Assembly. The NORDAM Group LLC
- [STC ST04316CH](https://openairdocs.org/stc/ST04316CH): Installation of a Smartsky System in accordance with StandardAero Master Data List 1034570, Revision (C), dated March 23, 2019 or later FAA approved revision. StandardAero Business Aviation Services LLC
- [STC ST02636LA](https://openairdocs.org/stc/ST02636LA): Modification to upgrade the existing XS-950 Mode S Transponder system to add ADS-B Out. Aviation Communication and Surveillance Systems (ACSS) LLC
- [STC ST000081B](https://openairdocs.org/stc/ST000081B): Installation of a second SELCAL channel. EMBRAER - Empresa Brasileira de Aeronautica
- [STC ST00008IB](https://openairdocs.org/stc/ST00008IB): Installation of a second SELCAL channel. EMBRAER - Empresa Brasileira de Aeronautica
- [STC ST03177NY](https://openairdocs.org/stc/ST03177NY): Installation of a Honeywell ADS-B (Out), EHS and FreeFlight GPS. Delta Engineering Corporation
- [STC ST01520WI](https://openairdocs.org/stc/ST01520WI): Installation of the Concorde RG-442 VRSLA Battery and Temperature Sensor in place of the original Nickel-Cadmium Battery. Concorde Battery Corporation
- [STC ST00361BO](https://openairdocs.org/stc/ST00361BO): Installation of a Honeywell Primus II (XS-852) ADS-B Out System. Pro Star Aviation, LLC
- [STC ST04282CH](https://openairdocs.org/stc/ST04282CH): Installation of Honeywell CD-830 Control Display Unit (CDU). Nextant Aerospace
- [STC ST01702WI](https://openairdocs.org/stc/ST01702WI): Change seating configuration to 30 passengers by removal of seats. Worldwide Aircraft Engineering LLC
- [STC ST04108CH](https://openairdocs.org/stc/ST04108CH): Installation of Gogo Business Aviation ATG-8000 High Speed Internet with Wireless Local Area Network (WLAN). Nextant Aerospace
- [STC ST04367AT](https://openairdocs.org/stc/ST04367AT): Removal of the Existing Honeywell DL-900 or DL-950 Data Loader and Installation of the Honeywell DL-1000 Data Loader. Chippewa Aerospace Inc
- [STC ST04190AT](https://openairdocs.org/stc/ST04190AT): Installation of an ADS-B Out. Chippewa Aerospace Inc
- [STC ST02406LA](https://openairdocs.org/stc/ST02406LA): Installation of TCAS version 7.1. Aviation Communication and Surveillance Systems (ACSS) LLC

All 75: https://openairdocs.org/aircraft/N644AE/stcs.md

## Related

- Other Embraer EMB-145LR aircraft: https://openairdocs.org/model/embraer-emb-145lr/aircraft.md
- The Allison AE-3007A engine: https://openairdocs.org/engine/allison-ae-3007a.md

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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.
