# NTSB investigations, TN: Maneuvering

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 1 of 5 · 206 cases

## Latest cases

- [NTSB ERA26FA165](https://openairdocs.org/ntsb/ERA26FA165.md): Beech 58 · New Market, TN · Accident · 2 fatal · Class 3 · Field · Preliminary report · Apr 13, 2026 · N2063G · Destroyed
  > On April 13, 2026, about 1308 eastern daylight time, a Beechcraft 58 multi-engine airplane, N2063G, was destroyed when it was involved in an accident near New Market, Tennessee. The flight instructor and the commercial pilot were fatally injured. The airplane…
- [NTSB ERA26FA035](https://openairdocs.org/ntsb/ERA26FA035.md): Airbus Helicopters EC 130 T2 · Lebanon, TN · Accident · 1 fatal · Class 3 · Field · Preliminary report · Nov 8, 2025 · N107VU · Substantial damage
  > On November 8, 2025, at 1341 central standard time, an Airbus Helicopters EC 130 T2, N107VU, was substantially damaged when it was involved in an accident near Lebanon, Tennessee. The pilot and flight paramedic were seriously injured, and the flight nurse was…
- [NTSB ERA24FA391](https://openairdocs.org/ntsb/ERA24FA391.md): Aviat S-1-11B · Chapmansboro, TN · Accident · 1 fatal · Class 3 · Field · Final report · Sep 23, 2024 · N5111B · Substantial damage
  > The pilot’s loss of airplane control while performing an aerobatic maneuver, which resulted in the airplane entering an inverted flat spin at an altitude too low for recovery.
- [NTSB ERA24LA375](https://openairdocs.org/ntsb/ERA24LA375.md): Air Tractor AT-802 · Hickory Valley, TN · Accident · No injuries · Class 3 · Limited · Final report · Sep 10, 2024 · N802JF · Substantial damage
  > A partial loss of engine power due to a leak in the fuel control unit bellows, which resulted in the fuel valve moving to minimum fuel flow.
- [NTSB ERA24LA346](https://openairdocs.org/ntsb/ERA24LA346.md): Piper J3 · Mooresburg, TN · Accident · 1 fatal · Class 4 · Limited · Final report · Aug 16, 2024 · N21811 · Substantial damage
  > The pilot’s intentional flight into a building as an act of suicide.
- [NTSB ERA24FA274](https://openairdocs.org/ntsb/ERA24FA274.md): Air Tractor AT502 · Martin, TN · Accident · 1 fatal · Class 3 · Field · Preliminary report · Jun 25, 2024 · N325RA · Substantial damage
  > On June 25, 2024, about 0820 central daylight time, an Air Tractor, Inc. AT-502A, N325RA, was substantially damaged when it was involved in an accident near Martin, Tennessee. The commercial pilot was fatally injured. The airplane was operated as a Title…
- [NTSB ERA24FA038](https://openairdocs.org/ntsb/ERA24FA038.md): Xtremeair XA42 · Union City, TN · Accident · 2 fatal · Class 3 · Field · Final report · Nov 15, 2023 · N42XM · Substantial damage
  > The pilot receiving instruction’s loss of airplane control while performing aerobatics, which resulted in a stall/spin at an altitude too low for recovery. Contributing to the accident was the flight instructor’s inadequate supervision.
- [NTSB ERA23LA205](https://openairdocs.org/ntsb/ERA23LA205.md): Schweizer 269C · Springfield, TN · Accident · No injuries · Class 3 · Limited · Final report · Apr 22, 2023 · N789LH · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [NTSB ERA23LA172](https://openairdocs.org/ntsb/ERA23LA172.md): Helicopteres Guimbal Cabri G2 · Clarksville, TN · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 29, 2023 · N242JL · Substantial damage
  > The flight instructor’s inadequate remedial action following an abrupt control input by the student pilot, which resulted in abnormal contact with the ground and a dynamic rollover.
- [NTSB ERA23LA115](https://openairdocs.org/ntsb/ERA23LA115.md): Eiriavion PIK-20D · Benton, TN · Accident · Minor injuries · Class 4 · Limited · Final report · Jan 20, 2023 · N1NZ · Substantial damage
  > The pilot’s decision to turn toward a mountain ridge in a thermal, which resulted in a collision with terrain.
- [NTSB ERA22LA431](https://openairdocs.org/ntsb/ERA22LA431.md): Robinson Helicopter R-22 Beta · Nashville, TN · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 29, 2022 · N622MP · Substantial damage
  > A loss of tail rotor effectiveness while hovering in crosswind conditions resulting in the student pilot's loss of control of the helicopter, impact with terrain, and dynamic rollover.
- [NTSB ERA22FA383](https://openairdocs.org/ntsb/ERA22FA383.md): Bell 206B · Whiteside, TN · Accident · 2 fatal · Class 3 · Field · Final report · Aug 23, 2022 · N770HP · Substantial damage
  > The pilot’s failure to maintain clearance from the powerlines.
- [NTSB ERA22LA224](https://openairdocs.org/ntsb/ERA22LA224.md): Air Tractor AT-301 · Somerville, TN · Accident · Minor injuries · Class 3 · Limited · Final report · May 11, 2022 · N31580 · Substantial damage
  > The inadequate inspection and maintenance of the engine exhaust system, which resulted in an in-flight fire.
- [NTSB ERA21LA273](https://openairdocs.org/ntsb/ERA21LA273.md): Piper PA-28-180 · Woodland, TN · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 28, 2021 · N818TF · Substantial damage
  > The student pilot’s inadequate monitoring of his fuel state during a solo training flight, which resulted in fuel starvation, a total loss of engine power, and a forced landing.
- [NTSB ERA20LA333](https://openairdocs.org/ntsb/ERA20LA333.md): Ayres S2R · Jackson, TN · Accident · No injuries · Class 3 · Limited · Final report · Sep 22, 2020 · N3298M · Substantial damage
  > The pilot’s failure to adequately monitor his fuel supply, resulting in fuel exhaustion, a total loss of engine power, and a forced landing.
- [NTSB ERA20LA216](https://openairdocs.org/ntsb/ERA20LA216.md): Bell 47G · Atoka, TN · Accident · No injuries · Class 3 · Limited · Final report · Jun 15, 2020 · N473TT · Substantial damage
  > A total loss of engine power due to a blocked fuel line; the reason for the blockage could not be determined based on the available evidence.
- [NTSB ERA20CA151](https://openairdocs.org/ntsb/ERA20CA151.md): Pipistrel Sinus · Townsend, TN · Accident · No injuries · Data collection · Final report · Apr 10, 2020 · N711MK · Substantial damage
  > The motor glider's encounter with atmospheric lift conditions that were not sufficient to maintain flight, which necessitated a forced landing and resulted in impact with vegetation. Contributing to the accident was the pilot's delayed decision to restart the…
- [NTSB GAA19CA457](https://openairdocs.org/ntsb/GAA19CA457.md): Bell 206 · Dukedom, TN · Accident · Minor injuries · Data collection · Final report · Jul 27, 2019 · N454MS · Substantial damage
  > The pilot's failure to maintain clearance from wires during an agricultural application flight.
- [NTSB ERA19CA147](https://openairdocs.org/ntsb/ERA19CA147.md): Gaskins Safari 400 · Gallatin, TN · Accident · Minor injuries · Data collection · Final report · Apr 10, 2019 · N104CV · Substantial damage
  > The pilot/owner's improper decision to make a right turn instead of terminating the approach to a hover and his subsequent loss of helicopter control while attempting to land on sloping terrain, which resulted in a roll-over.
- [NTSB ERA19LA139](https://openairdocs.org/ntsb/ERA19LA139.md): Marlow Bearhawk · Sevierville, TN · Accident · No injuries · Class 3 · Limited · Final report · Mar 27, 2019 · N22GM · Substantial damage
  > Abnormal combustion in the No. 1 cylinder for reasons that could not be determined based on the available evidence, followed by the activation of the ignition system circuit breaker, which resulted in a total loss of engine power.
- [NTSB ERA19LA080](https://openairdocs.org/ntsb/ERA19LA080.md): Bellanca 1730 · Soddy-Daisy, TN · Accident · 2 fatal · Limited investigation · Final report · Jan 7, 2019 · N8849V · Destroyed
  > The pilot's improper decision to attempt an aerobatic maneuver at low altitude, which led to an aerodynamic stall and spin from which the pilot could not recover.
- [NTSB ERA19LA028](https://openairdocs.org/ntsb/ERA19LA028.md): Beech V35 · Murfreesboro, TN · Accident · Serious injuries · Limited investigation · Final report · Oct 28, 2018 · N5624S · Substantial damage
  > The pilot's failure to maintain airplane control while maneuvering at low altitude in gusting wind conditions.
- [NTSB ERA18FA240](https://openairdocs.org/ntsb/ERA18FA240.md): Lance M Hooley Jetez · Covington, TN · Accident · 1 fatal · Field investigation · Final report · Sep 1, 2018 · N815EY · Destroyed
  > The improper manufacture of the left wing, which resulted in a left wing flutter event and failure at low altitude and high speed.
- [NTSB ERA17FA144](https://openairdocs.org/ntsb/ERA17FA144.md): Buckeye Dream Machine · Knoxville, TN · Accident · 1 fatal · Field investigation · Final report · Apr 2, 2017 · N4017L · Substantial damage
  > The pilot's decision to maneuver the aircraft at low altitude, towards rising terrain, which resulted in an inflight collision with trees.
- [NTSB ERA16FA144](https://openairdocs.org/ntsb/ERA16FA144.md): Bell 206 · Pigeon Forge, TN · Accident · 5 fatal · Field investigation · Final report · Apr 4, 2016 · N16760 · Destroyed
  > An inflight loss of engine power due to a failure of the engine fuel pump, which resulted in a collision with trees and terrain during the subsequent autorotation. The failure of the engine fuel pump resulted from the absence of adequate grease leading to…
- [NTSB ERA15CA262](https://openairdocs.org/ntsb/ERA15CA262.md): Robinson Helicopter R44 · Viola, TN · Accident · No injuries · Data collection · Final report · Jul 12, 2015 · N577AT · Substantial damage
  > The pilot's failure to see and avoid a guy wire, which resulted in contact with the wire and subsequent collision with terrain.
- [NTSB ERA15CA005](https://openairdocs.org/ntsb/ERA15CA005.md): HPH 304CZ · Pikeville, TN · Accident · No injuries · Data collection · Final report · Oct 4, 2014 · N304AK · Substantial damage
  > A loss of aerodynamic lift, which resulted in an off-airport landing and subsequent impact with a pole.
- [NTSB ERA14FA461](https://openairdocs.org/ntsb/ERA14FA461.md): Eagle R&D Helicycle · Gallatin, TN · Accident · 1 fatal · Field investigation · Final report · Sep 28, 2014 · N7062U · Substantial damage
  > The pilot's decision to fly the improperly balanced helicopter at high speed and low altitude, which resulted in a loss of control and collision with terrain. Contributing to the accident were the pilot's depression and resulting degradation of executive…
- [NTSB ERA14LA409](https://openairdocs.org/ntsb/ERA14LA409.md): Cessna A188B · Middleton, TN · Accident · 1 fatal · Limited investigation · Final report · Aug 27, 2014 · N5850G · Substantial damage
  > The pilot’s failure to see and avoid power lines during a low-level aerial application operation.
- [NTSB ERA14FA399](https://openairdocs.org/ntsb/ERA14FA399.md): Air Tractor AT-802A · Parsons, TN · Accident · 1 fatal · Field investigation · Final report · Aug 20, 2014 · N802BB · Substantial damage
  > The pilot’s failure to see and avoid trees during a low-level aerial application operation.
- [NTSB ERA14FA010](https://openairdocs.org/ntsb/ERA14FA010.md): Eurocopter AS 350 B3 · Somerville, TN · Accident · 3 fatal · Field investigation · Final report · Oct 22, 2013 · N353HW · Destroyed
  > The pilot’s inadvertent encounter with night, instrument meteorological conditions while responding to an obstacle alert, resulting in an in-flight loss of helicopter control.
- [NTSB ERA13LA087](https://openairdocs.org/ntsb/ERA13LA087.md): Rotorway DB-1 · Mayland, TN · Accident · Minor injuries · Limited investigation · Final report · Dec 13, 2012 · N828X · Substantial damage
  > The pilot’s failure to maintain helicopter control following a high-side governor failure for reasons that could not be determined during postaccident examination.
- [NTSB ERA13TA021](https://openairdocs.org/ntsb/ERA13TA021.md): Bell OH-58A · Jackson, TN · Accident · Minor injuries · Final report · Oct 13, 2012 · N40TN · Substantial damage
  > A loss of engine power for undetermined reasons because postaccident examination of the engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB ERA12LA318](https://openairdocs.org/ntsb/ERA12LA318.md): Temco GC-1B · Dayton, TN · Accident · Minor injuries · Limited investigation · Final report · Apr 29, 2012 · N106S · Substantial damage
  > A partial loss of engine power during low-altitude maneuvers for reasons that could not be determined because the engine examination did not reveal any mechanical malfunctions or failures that would have precluded normal operation; however the carburetor was…
- [NTSB ERA11LA326](https://openairdocs.org/ntsb/ERA11LA326.md): Buckeye Dream Machine · Russellville, TN · Accident · 1 fatal · Limited investigation · Final report · Jun 4, 2011 · N3561F · Substantial damage
  > The pilot’s failure to switch fuel tanks when the fuel was exhausted, which resulted in fuel starvation and a total loss of engine power.
- [NTSB ERA11CA206](https://openairdocs.org/ntsb/ERA11CA206.md): Rolladen-Schneider LS-3 · Winchester, TN · Accident · Serious injuries · Data collection · Final report · Mar 24, 2011 · N1359 · Substantial damage
  > The glider pilot's delayed response to changing weather conditions, which resulted in an off-airport landing into trees.
- [NTSB ERA11LA048](https://openairdocs.org/ntsb/ERA11LA048.md): Bean R E/R B Weld Glasair III · Winchester, TN · Accident · 2 fatal · Limited investigation · Final report · Nov 5, 2010 · N7SY · Destroyed
  > The pilot's inadvertent climb and entry into instrument meteorological conditions during a course reversal, which resulted in spatial disorientation and a loss of control.
- [NTSB ERA10CA176](https://openairdocs.org/ntsb/ERA10CA176.md): Rolladen-Schneider LS-4 · Jasper, TN · Accident · No injuries · Data collection · Final report · Mar 15, 2010 · N465CB · Substantial damage
  > The inadequate in-flight planning by the glider pilot to intentionally cross a ridge at low altitude, resulting in the in-flight collision with trees.
- [NTSB ERA10FA027](https://openairdocs.org/ntsb/ERA10FA027.md): Cessna U206G · Elizabethton, TN · Accident · 2 fatal · Field investigation · Final report · Oct 22, 2009 · N120MS · Substantial damage
  > The pilot’s failure to remain clear of rising terrain while maneuvering at low altitude.
- [NTSB ERA09LA450](https://openairdocs.org/ntsb/ERA09LA450.md): Stump Bradley Kolb · Calhoun, TN · Accident · 2 fatal · Limited investigation · Final report · Aug 8, 2009 · N2456 · Substantial damage
  > The pilot’s decision to perform aerobatics at a low altitude and his failure to maintain control of the airplane while performing aerobatics.
- [NTSB ERA09LA325](https://openairdocs.org/ntsb/ERA09LA325.md): Smith Bret B Searey · Knoxville, TN · Accident · 2 fatal · Limited investigation · Final report · Jun 6, 2009 · N169GW · Substantial damage
  > The pilot's failure to maintain adequate airspeed, resulting in an aerodynamic stall and uncontrolled descent.
- [NTSB ERA09CA292](https://openairdocs.org/ntsb/ERA09CA292.md): Cessna 152 · Memphis, TN · Accident · No injuries · Data collection · Final report · May 15, 2009 · N6529M · Substantial damage
  > The pilots' decision to fly at a low altitude and their inadequate visual lookout while maneuvering.
- [NTSB ERA09CA155](https://openairdocs.org/ntsb/ERA09CA155.md): Robinson Helicopter R22 Beta · Sevierville, TN · Accident · No injuries · Data collection · Final report · Feb 3, 2009 · N7687H · Substantial damage
  > The flight instructor's improper remedial action following the student pilot's loss of control. Contributing to the accident was the student pilot's loss of control.
- [NTSB ERA09LA147](https://openairdocs.org/ntsb/ERA09LA147.md): Bellanca 8KCAB · Moscow, TN · Accident · 1 fatal · Limited investigation · Final report · Jan 31, 2009 · N31254 · Substantial damage
  > The pilot's initiation of a low altitude maneuver followed by an uncontrolled descent into terrain.
- [NTSB ERA09FA027](https://openairdocs.org/ntsb/ERA09FA027.md): Piper PA-30 · Selmer, TN · Accident · 1 fatal · Field investigation · Final report · Oct 24, 2008 · N7510Y · Substantial damage
  > The pilot's failure to avoid terrain during night instrument meteorological conditions.
- [NTSB NYC08FA298](https://openairdocs.org/ntsb/NYC08FA298.md): Mooney M20C · Lawrenceburg, TN · Accident · 1 fatal · Field investigation · Final report · Aug 30, 2008 · N6480U · Substantial damage
  > A loss of engine power due to fuel exhaustion.
- [NTSB NYC08LA259](https://openairdocs.org/ntsb/NYC08LA259.md): Sands Thomas E Rotorway 162 · Graysville, TN · Accident · Serious injuries · Limited investigation · Final report · Jul 27, 2008 · N412TS · Destroyed
  > A loss of control for undetermined reasons.
- [NTSB ATL07CA076](https://openairdocs.org/ntsb/ATL07CA076.md): Bell 206-B · Sevierville, TN · Accident · No injuries · Data collection · Final report · Apr 22, 2007 · N219SH · Substantial damage
  > The pilot's improper use of the flight controls while at a hover that resulted in the tail colliding with the ground, a subsequent hard landing, and collapse of the skids.
- [NTSB ATL07LA001](https://openairdocs.org/ntsb/ATL07LA001.md): Grumman G-164 · Somerville, TN · Accident · Minor injuries · Limited investigation · Final report · Oct 4, 2006 · N493Y · Destroyed
  > The total loss of engine power for undetermined reasons.
- [NTSB ATL06CA006](https://openairdocs.org/ntsb/ATL06CA006.md): 1200 G103 · Benton, TN · Accident · Serious injuries · Data collection · Final report · Oct 14, 2005 · N381SL · Substantial damage
  > The pilot's misjudgment of distance and failure to maintain a visual look out during a forced landing resulting in an in flight collision with a guy wire and the ground.

Next page: https://openairdocs.org/ntsb-phases/450/cases.md?state=TN&page=2

## 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."eventStateOrRegion" = 'TN' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 450)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/450/cases?state=TN

---
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.