# NTSB investigations: Taxi

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

Page 10 of 128 · 6,400 cases

## Cases, newest first

- [NTSB ERA17LA253](https://openairdocs.org/ntsb/ERA17LA253.md): Waco UPF 7 · Brunswick, GA · Accident · No injuries · Limited investigation · Final report · Jul 3, 2017 · N134Q · Substantial damage
  > The failure of the right main landing gear strut brace for reasons that could not be determined based on the available evidence.
- [NTSB DCA17LA182](https://openairdocs.org/ntsb/DCA17LA182.md): Bombardier CL 600 2C10 · Denver, CO · Accident · No injuries · Class 3 · Limited · Final report · Jul 2, 2017 · N796SK · Substantial damage
  > The fuel supply tube fitting pulling out of the left engine’s operability bleed valve (OBV) during the landing rollout, allowing fuel to leak and contact hot engine cases, which ignited a fire that caused thermal damage to the engine pylon. Contributing to…
- [NTSB DCA17CA147](https://openairdocs.org/ntsb/DCA17CA147.md): Airbus A321 231 · Chicago, IL · Accident · No injuries · Data collection · Final report · Jul 1, 2017 · N991AU · 2 aircraft · Minor damage
  > the A321 flight crew's incorrect evaluation of the clearance between the aircraft, leading to the inadvertent collision with the horizontal stabilizer of the CRJ700. Contributing to the accident was traffic congestion that resulted in the CRJ700 having to…
- [NTSB CEN17LA217](https://openairdocs.org/ntsb/CEN17LA217.md): Piper PA 28-235 · Harrisonville, MO · Accident · Serious injuries · Limited investigation · Final report · Jun 8, 2017 · N3082T · Minor damage
  > The pilot's failure to maintain a safe distance between the airplane and a person on the ground, which resulted in serious injuries to the person.
- [NTSB GAA17CA381](https://openairdocs.org/ntsb/GAA17CA381.md): Aeronca 7AC · Soldotna, AK · Accident · No injuries · Data collection · Final report · Jun 4, 2017 · N82639 · Substantial damage
  > The pilot’s abrupt maneuver to avoid a moose cow and calf during taxi, which resulted in an impact with a tree.
- [NTSB ANC17LA024](https://openairdocs.org/ntsb/ANC17LA024.md): Cessna U206F · Noatak, AK · Accident · No injuries · Limited investigation · Final report · May 23, 2017 · N9575G · Destroyed
  > A fire in the airplane's cabin, which initiated for reasons that could not be determined due to extensive thermal damage.
- [NTSB ERA17WA200](https://openairdocs.org/ntsb/ERA17WA200.md): Piper PA34 · San Lorenzon, Peru · Accident · No injuries · Foreign investigation · May 17, 2017 · OB-1564 · Substantial damage
  > The government of Peru has notified the NTSB of an accident involving a PIPER PA34 airplane that occurred on May 17, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government of Peru's investigation under the provisions of ICAO…
- [NTSB GAA17CA275](https://openairdocs.org/ntsb/GAA17CA275.md): Piper PA18 · Seward, AK · Accident · Serious injuries · Data collection · Final report · May 11, 2017 · N1258C · Substantial damage
  > The flight instructor's incorrect brake application during a high-speed taxi with a tailwind, which resulted in a nose-over.
- [NTSB GAA17CA290](https://openairdocs.org/ntsb/GAA17CA290.md): Cessna 190 · Prescott, AZ · Accident · No injuries · Data collection · Final report · May 4, 2017 · N4498C · Substantial damage
  > The pilot’s use of excessive speed during a right turn from the runway to the taxiway, which resulted in a loss of directional control.
- [NTSB GAA17CA235](https://openairdocs.org/ntsb/GAA17CA235.md): Raytheon B200 · Richfield, UT · Accident · No injuries · Data collection · Final report · Apr 15, 2017 · N481HC · Substantial damage
  > The pilot’s failure to maintain separation from a fence post during taxi at night.
- [NTSB CEN17WA159](https://openairdocs.org/ntsb/CEN17WA159.md): Gulfstream Aerospace GIV X (G450) · Salzburg, Austria · Accident · No injuries · Foreign investigation · Apr 11, 2017 · N667HS · Substantial damage
  > On April 11, 2017, about 0830 hours universal coordinated time, a Gulfstream Aerospace GIV-X (G450) airplane, United States registration N667HS, was substantially damaged when the nose landing gear collapsed after landing at the Salzburg Airport (LOWS),…
- [NTSB GAA17CA205](https://openairdocs.org/ntsb/GAA17CA205.md): Cessna 172 · Baltimore, MD · Accident · No injuries · Data collection · Final report · Mar 24, 2017 · N13499 · Substantial damage
  > The student pilot’s failure to maintain clearance from other airplanes in the run-up area.
- [NTSB GAA17CA188](https://openairdocs.org/ntsb/GAA17CA188.md): Piper PA 12 · Anchorage, AK · Accident · No injuries · Data collection · Final report · Mar 14, 2017 · N3654M · Substantial damage
  > The pilot’s failure to maintain directional control during the taxi on skis on hard-packed snow in gusting wind conditions.
- [NTSB CEN17LA126](https://openairdocs.org/ntsb/CEN17LA126.md): Cessna 182 · Skiatook, OK · Accident · No injuries · Limited investigation · Final report · Mar 13, 2017 · N6330B · Substantial damage
  > The loss of directional control while taxiing for reasons that could not be determined because postaccident examination of the airplane revealed no mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB DCA17CA087](https://openairdocs.org/ntsb/DCA17CA087.md): Airbus A319 114 · Los Angeles, CA · Accident · Serious injuries · Data collection · Final report · Mar 6, 2017 · N369NB · No damage
  > malfunction of the parking brake electrical control valve that resulted in a sudden stop.
- [NTSB DCA17WA075](https://openairdocs.org/ntsb/DCA17WA075.md): Boeing 777 · Cancun, Mexico · Incident · No injuries · Foreign investigation · Mar 5, 2017 · F-GZNO · Minor damage
  > The Direccion General de Aeronautica Civil (DGAC) of Mexico has notified the NTSB of an incident involving a BOEING 777 airplane that occurred on March 05, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government of Mexico's…
- [NTSB GAA17CA175](https://openairdocs.org/ntsb/GAA17CA175.md): Cessna 172 · Greenville, ME · Accident · No injuries · Data collection · Final report · Mar 2, 2017 · N7450X · Substantial damage
  > The pilot's failure to maintain directional control while taxiing in gusting crosswind conditions.
- [NTSB GAA17CA167](https://openairdocs.org/ntsb/GAA17CA167.md): Eurocopter EC130 · Las Vegas, NV · Accident · No injuries · Data collection · Final report · Feb 26, 2017 · N864MH · Substantial damage
  > The pilot's abrupt cyclic/pitch attitude control movement, which resulted in a Fenestron ground strike.
- [NTSB GAA17CA160](https://openairdocs.org/ntsb/GAA17CA160.md): Cessna 152 · Madill, OK · Accident · No injuries · Data collection · Final report · Feb 26, 2017 · N6132Q · Substantial damage
  > The pilot’s failure to maintain clearance from a hangar while taxiing at night.
- [NTSB GAA17CA165](https://openairdocs.org/ntsb/GAA17CA165.md): Robinson Helicopter R44 · Spofford, TX · Accident · Minor injuries · Data collection · Final report · Feb 19, 2017 · N804DF · Substantial damage
  > The pilot's decision to hover-taxi out of the hangar and his subsequent failure to maintain clearance from the hangar.
- [NTSB DCA17WA055](https://openairdocs.org/ntsb/DCA17WA055.md): Boeing 737 · Brisbane, Australia · Incident · No injuries · Foreign investigation · Jan 6, 2017 · VH-VUH · Minor damage
  > The Australian Transport Safety Bureau has notified the NTSB of an incident involving a BOEING 737 airplane that occurred on January 06, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government of Australia's investigation under…
- [NTSB GAA17CA106](https://openairdocs.org/ntsb/GAA17CA106.md): Maule M7 · Palouse, WA · Accident · Minor injuries · Data collection · Final report · Dec 31, 2016 · N260BD · Substantial damage
  > The pilot’s failure to maintain directional control on an ice- and snow-covered runway during taxi with a crosswind, which resulted in a runway excursion.
- [NTSB CEN17LA090](https://openairdocs.org/ntsb/CEN17LA090.md): Cessna 172B · Prairie Du Sac, WI · Accident · No injuries · Limited investigation · Final report · Dec 28, 2016 · N6941X · Substantial damage
  > The pilot's decision to taxi the airplane from the roadway and his subsequent failure to maintain clearance from signs and a fence after a successful emergency landing following a total loss of engine power.
- [NTSB OPS17IA008](https://openairdocs.org/ntsb/OPS17IA008.md): Bombardier CL 600 2B19 · San Francisco, CA · Incident · Class 3 · Incident · Final report · Dec 15, 2016 · N986SW · 2 aircraft · No damage
  > The captain’s inadvertent turn onto the incorrect taxiway and subsequent entry onto an active runway without a clearance, which resulted in the runway incursion.
- [NTSB GAA17CA149](https://openairdocs.org/ntsb/GAA17CA149.md): Piper PA28 · Palm Coast, FL · Accident · No injuries · Data collection · Final report · Dec 13, 2016 · N3563K · Substantial damage
  > The pilot’s failure to maintain clearance from the taxiway sign.
- [NTSB WPR17WA040](https://openairdocs.org/ntsb/WPR17WA040.md): Cessna 350 · Singapore, Singapore · Accident · No injuries · Foreign investigation · Dec 8, 2016 · N1222G · Substantial damage
  > On December 8, 2016, about 1743 local time, a Cessna 350, N1222G, had the brakes catch fire during taxi following an aborted takeoff at Seletar Airport, Singapore. The owner/pilot was operating the airplane under the provisions of the Singapore Civil Aviation…
- [NTSB GAA17CA093](https://openairdocs.org/ntsb/GAA17CA093.md): Piper PA 34 · Denton, TX · Accident · No injuries · Data collection · Final report · Dec 7, 2016 · N2844T · Substantial damage
  > The flight instructor’s decision to continue to taxi the airplane to the parking area with a known brake malfunction, which resulted in a loss of directional control and subsequent impact with a parked airplane.
- [NTSB GAA17IA083](https://openairdocs.org/ntsb/GAA17IA083.md): Cessna 560 · Salinas, CA · Incident · No injuries · Incident investigation · Final report · Nov 29, 2016 · N22AF · Minor damage
  > The pilot's failure to maintain clearance from a parked helicopter.
- [NTSB GAA17CA077](https://openairdocs.org/ntsb/GAA17CA077.md): Curtiss Wright Travel AIR 4000 · San Diego, CA · Accident · No injuries · Data collection · Final report · Nov 22, 2016 · N3242 · 2 aircraft · Substantial damage
  > The other pilot’s failure to see and avoid the airplane stopped ahead of him during taxi.
- [NTSB GAA17CA010](https://openairdocs.org/ntsb/GAA17CA010.md): Joe Salomone Super CUB SQ2 · Boca Reservoir, CA · Accident · No injuries · Data collection · Final report · Oct 6, 2016 · N786AB · Substantial damage
  > The pilot's decision to continue the taxi on unsuitable muddy terrain, which resulted in a nose-over.
- [NTSB ERA17WA004](https://openairdocs.org/ntsb/ERA17WA004.md): Cessna 208 · Contamana, Peru · Accident · No injuries · Foreign investigation · Oct 3, 2016 · OB-1998-P · Substantial damage
  > On October 3, 2016, about 1530 universal coordinated time, a Cessna 208B, Peruvian registration OB-1998-P, was substantially damaged when the left main landing gear separated from the airplane while taxiing at Contamana Airport (SPCM), Contamana, Peru. The…
- [NTSB ANC16CA066](https://openairdocs.org/ntsb/ANC16CA066.md): Piper PA 18 · McGrath, AK · Accident · No injuries · Data collection · Final report · Sep 18, 2016 · N5773D · Substantial damage
  > The pilot's excessive taxi speed, which resulted in a loss of control and subsequent nose over.
- [NTSB CEN16WA400](https://openairdocs.org/ntsb/CEN16WA400.md): Piper PA-28-161 · Sevilla, Spain · Accident · No injuries · Foreign investigation · Sep 9, 2016 · EC-JCI · Substantial damage
  > On September 9, 2017, at 1918 local time, a Piper PA-28-161, Spanish registration EC-JCI, had a brake failure while taxiing at Sevilla Airport, Sevilla, Spain. There were no injuries to the private pilot and one passenger, The airplane was substantially…
- [NTSB GAA16CA487](https://openairdocs.org/ntsb/GAA16CA487.md): Cessna 172 · Anchorage, AK · Accident · No injuries · Data collection · Final report · Sep 1, 2016 · N52950 · Substantial damage
  > The airplane’s encounter with a developing sink hole during taxi on the ramp area.
- [NTSB WPR16LA174](https://openairdocs.org/ntsb/WPR16LA174.md): Schneider K/Cook C SC Skybolt · Corvallis, OR · Accident · No injuries · Class 3 · Limited · Final report · Aug 24, 2016 · N300SB · Substantial damage
  > The collapse of the left main landing gear truss due to a weld joint failure, which resulted in substantial damage to the fuselage frame structure.
- [NTSB GAA16CA447](https://openairdocs.org/ntsb/GAA16CA447.md): Cessna 172 · Williamsport, PA · Accident · No injuries · Data collection · Final report · Aug 23, 2016 · N9480E · Substantial damage
  > The student pilot's distraction during taxi operations, which resulted in the airplane's left wing impacting a hangar.
- [NTSB GAA16CA442](https://openairdocs.org/ntsb/GAA16CA442.md): Cessna 172 · Anchorage, AK · Accident · No injuries · Data collection · Final report · Aug 20, 2016 · N35408 · Substantial damage
  > The facility's designation of the taxiway for use by maintenance personnel to conduct high thrust tests without appropriate safeguards in place, which led to maintenance personnel conducting high-power, run-up thrust procedures across the active taxiway and…
- [NTSB GAA16CA417](https://openairdocs.org/ntsb/GAA16CA417.md): Cessna 172 · Everett, WA · Accident · No injuries · Data collection · Final report · Aug 4, 2016 · N4801D · Substantial damage
  > The pilot's failure to maintain clearance from the building door, which resulted in substantial damage to the left wing.
- [NTSB GAA16CA400](https://openairdocs.org/ntsb/GAA16CA400.md): Cessna 172 · Morristown, NJ · Accident · No injuries · Data collection · Final report · Jul 29, 2016 · N5322P · Substantial damage
  > The pilot's failure to maintain a safe taxi distance from a large turbine-powered airplane, resulting in an encounter of the turbine-powered airplane's jet blast while taxiing.
- [NTSB GAA16CA371](https://openairdocs.org/ntsb/GAA16CA371.md): Cessna 172 · San Diego, CA · Accident · No injuries · Data collection · Final report · Jul 8, 2016 · N9488G · Substantial damage
  > The pilot's failure to maintain situational awareness while taxiing, which resulted in an impact with a stationary fuel truck.
- [NTSB GAA16CA365](https://openairdocs.org/ntsb/GAA16CA365.md): Cessna 172RG · Stamford, TX · Accident · No injuries · Data collection · Final report · Jun 30, 2016 · N9318B · Substantial damage
  > The pilot's failure to maintain clearance from a hangar during taxi for departure.
- [NTSB ERA16LA234](https://openairdocs.org/ntsb/ERA16LA234.md): Piper PA28 · Poughkeepsie, NY · Accident · No injuries · Limited investigation · Final report · Jun 24, 2016 · N3024C · Substantial damage
  > An overstress failure of the left main landing gear attachment bolts, which resulted in the left main landing gear collapse.
- [NTSB GAA16CA283](https://openairdocs.org/ntsb/GAA16CA283.md): Robinson Helicopter R44 · Spring Branch, TX · Accident · No injuries · Data collection · Final report · May 28, 2016 · N921ES · Substantial damage
  > The pilot's failure to maintain helicopter control while hovering in gusting tailwind conditions, resulting in the tailboom striking a light pole and impact with terrain.
- [NTSB GAA16CA272](https://openairdocs.org/ntsb/GAA16CA272.md): Cessna U206G · Chinita Bay, AK · Accident · No injuries · Data collection · Final report · May 23, 2016 · N4596U · Substantial damage
  > The pilot's selection of unsuitable terrain for taxi, resulting in a tail strike and aft fuselage substantial damage.
- [NTSB GAA16CA253](https://openairdocs.org/ntsb/GAA16CA253.md): Cessna 172 · Shawnee, OK · Accident · No injuries · Data collection · Final report · May 14, 2016 · N917CP · Substantial damage
  > The pilot's failure to remain a safe distance from obstacles while taxiing to parking, resulting in the airplane's wing striking a light pole.
- [NTSB GAA16CA237](https://openairdocs.org/ntsb/GAA16CA237.md): Piper PA28 · Wickenburg, AZ · Accident · No injuries · Data collection · Final report · May 12, 2016 · N416PA · Substantial damage
  > The pilot's failure to monitor the parked vehicle, which resulted in a ground collision and substantial damage to the left wing.
- [NTSB OPS16IA008](https://openairdocs.org/ntsb/OPS16IA008.md): Embraer S A EMB-505 · Dallas, TX · Incident · Class 3 · Incident · Final report · Apr 7, 2016 · N304QS · 2 aircraft · No damage
  > The controller's miscommunication of a clearance and failure to recognize and correct the readback resulting in the flight crew initiating takeoff without a clearance.
- [NTSB GAA16CA186](https://openairdocs.org/ntsb/GAA16CA186.md): Cessna 172 · Punta Gorda, FL · Accident · No injuries · Data collection · Final report · Apr 4, 2016 · N8926V · Substantial damage
  > The pilot's failure to avoid obstacles and maintain situational awareness while taxiing.
- [NTSB CEN16WA397](https://openairdocs.org/ntsb/CEN16WA397.md): Bombardier BD 700 1A10 · George Town, Cayman Islands · Incident · No injuries · Foreign investigation · Mar 25, 2016 · N683GA · No damage
  > On March 25, 2016, about 0345 coordinated universal time, an unoccupied Saab 340B airplane, VP-CKI, encountered jet blast from a taxiing Bombardier Global Express BD-700-1A10 airplane, N683GA, at the Owen Roberts International Airport, George Town, Cayman…
- [NTSB CEN16CA126](https://openairdocs.org/ntsb/CEN16CA126.md): Nakajima A6M2 Model 21 · Midland, TX · Accident · No injuries · Data collection · Final report · Mar 15, 2016 · N8280K · 2 aircraft · Substantial damage
  > The Goodyear pilot did not see and avoid the Nakajima ahead on the taxiway.

Next page: https://openairdocs.org/ntsb-phases/250/cases.md?page=11

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
WITH phase_names(main, name) AS (VALUES (100, 'Prior to flight'), (150, 'Standing'), (200, 'Pushback/towing'), (250, 'Taxi'), (300, 'Takeoff'), (350, 'Initial climb'), (400, 'Enroute'), (450, 'Maneuvering'), (500, 'Approach'), (550, 'Landing'), (600, 'Emergency descent'), (650, 'Uncontrolled descent'), (700, 'Post-impact'), (750, 'After landing'), (800, 'Other'), (990, 'Unknown')),
  crosswalk(code, main, name) AS (VALUES (500, 150, 'Standing'), (501, 150, 'Standing - pre-flight'), (502, 150, 'Standing - starting engine(s)'), (503, 150, 'Standing - engine(s) operating'), (504, 150, 'Standing - engine(s) not operating'), (505, 150, 'Standing - idling rotors'), (510, 250, 'Taxi'), (511, 200, 'Taxi - pushback/tow'), (512, 250, 'Taxi - to takeoff'), (513, 250, 'Taxi - from landing'), (514, 250, 'Taxi - aerial'), (520, 300, 'Takeoff'), (521, 300, 'Takeoff - roll/run'), (522, 350, 'Takeoff - initial climb'), (523, 300, 'Takeoff - aborted'), (530, 400, 'Climb'), (531, 400, 'Climb - to cruise'), (540, 400, 'Cruise'), (541, 400, 'Cruise - normal'), (542, 400, 'Maneuvering - holding (IFR)'), (550, 400, 'Descent'), (551, 400, 'Descent - normal'), (552, 600, 'Descent - emergency'), (553, 650, 'Descent - uncontrolled'), (560, 500, 'Approach'), (561, 500, 'Approach - VFR pattern - downwind'), (562, 500, 'Approach - VFR pattern - base turn'), (563, 500, 'Approach - VFR pattern - base leg/base to final'), (564, 500, 'Approach - VFR pattern - final approach'), (565, 500, 'Go-around (VFR)'), (566, 500, 'Approach - IAF to FAF/outer marker (IFR)'), (567, 500, 'Approach - FAF/outer marker to threshold (IFR)'), (568, 500, 'Circling (IFR)'), (569, 500, 'Missed approach (IFR)'), (570, 550, 'Landing'), (571, 550, 'Landing - flare/touchdown'), (572, 550, 'Landing - roll'), (573, 550, 'Landing - aborted'), (574, 550, 'Emergency landing'), (575, 550, 'Emergency landing after takeoff'), (576, 600, 'Emergency descent/landing'), (580, 450, 'Maneuvering'), (581, 450, 'Maneuvering - aerial application'), (582, 450, 'Maneuvering - turn to reverse direction'), (583, 450, 'Maneuvering - turn to landing area (emergency)'), (590, 450, 'Hover'), (591, 450, 'Hover - in ground effect'), (592, 450, 'Hover - out of ground effect'), (600, 800, 'Other'), (610, 990, 'Unknown')),
  current_codes AS (
    SELECT e.case_mkey, TRY_CAST(e."tier1Number" AS INTEGER) AS code,
      row_number() OVER (PARTITION BY e.case_mkey ORDER BY coalesce(e."isDefiningEvent", false) DESC, e.position) AS n
    FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e
    WHERE e.aircrafts_position = 1 AND e."tier1Number" GLOB '[1-9][0-9]*'
      AND (e."isDefiningEvent" OR e.case_mkey IN (SELECT "mKey" FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' WHERE "isPre1982"))
  ),
  phases AS (
    SELECT case_mkey, 'current' AS scheme, code, CASE WHEN code >= 990 THEN 990 ELSE code // 50 * 50 END AS main
    FROM current_codes WHERE n = 1
    UNION ALL
    SELECT o.case_mkey, 'older', o."phaseOfFlightCode", w.main
    FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o JOIN crosswalk w ON w.code = o."phaseOfFlightCode"
    WHERE o.aircrafts_position = 1 AND o."occurrenceNumber" = 1 AND o.case_mkey NOT IN (SELECT case_mkey FROM current_codes)
  ),
  case_phases AS (
    SELECT p.*, c."eventDate", c."highestInjuryLevel" = 'Fatal' AS fatal, a.aircraft_model_code
    FROM phases p JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = p.case_mkey
    LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = p.case_mkey AND a.position = 1
    WHERE c."eventDate" >= DATE '1962-01-01' AND p.main IN (SELECT main FROM phase_names)
  )
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 250)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/250/cases?page=10

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.
