# NTSB investigations: 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 146 of 378 · 18,851 cases

## Cases, newest first

- [NTSB SEA94LA069](https://openairdocs.org/ntsb/SEA94LA069.md): Bell 47G-3B-1 · Hanksville, UT · Accident · Minor injuries · Limited investigation · Final report · Feb 28, 1994 · N4082J · Substantial damage
  > The pilot's delay in releasing his tow line when the line became entangled with wires.
- [NTSB BFO94LA051](https://openairdocs.org/ntsb/BFO94LA051.md): Cessna 152 · Bath, OH · Accident · No injuries · Limited investigation · Final report · Feb 28, 1994 · N47316 · Substantial damage
  > loss of engine power for undetermined reasons. A factor in the accident was the frozen, snow covered terrain.
- [NTSB FTW94LA086](https://openairdocs.org/ntsb/FTW94LA086.md): Air Tractor AT400 · Widener, AR · Accident · 1 fatal · Limited investigation · Final report · Feb 27, 1994 · N3652D · Destroyed
  > The pilot's loss of control for undetermined reasons.
- [NTSB SEA94LA065](https://openairdocs.org/ntsb/SEA94LA065.md): Bell 47G-3B-1 · Gold Hill, OR · Accident · Serious injuries · Limited investigation · Final report · Feb 24, 1994 · N73909 · Destroyed
  > Separation of the crossover fuel line, and the inability of the pilot in command to maintain a proper rate of descent during the autorotation.
- [NTSB LAX94FA138](https://openairdocs.org/ntsb/LAX94FA138.md): Cessna 150L · San Jacinto, CA · Accident · 2 fatal · Field investigation · Final report · Feb 24, 1994 · N10998 · Destroyed
  > The pilot's impairment of judgment and performance due to alcohol and drugs, which led to his improper planning/decision, and his failure to maintain altitude/clearance from mountainous terrain, while maneuvering at low altitude.
- [NTSB CHI94LA091](https://openairdocs.org/ntsb/CHI94LA091.md): Cessna 150M · La Crosse, WI · Accident · No injuries · Limited investigation · Final report · Feb 18, 1994 · N704CE · Substantial damage
  > The failure of the exhaust valve in the number one cylinder. The lack of suitable terrain for the forced landing was a factor in the accident.
- [NTSB ATL94LA050](https://openairdocs.org/ntsb/ATL94LA050.md): Argo Minimax · Franklin, TN · Accident · Serious injuries · Limited investigation · Final report · Feb 18, 1994 · NONE · Substantial damage
  > The pilot's failure to secure cargo in the cockpit.
- [NTSB MIA94LA073](https://openairdocs.org/ntsb/MIA94LA073.md): Cessna 150L · Ocean Springs, MS · Accident · No injuries · Limited investigation · Final report · Feb 14, 1994 · N10797 · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB CHI94FA082](https://openairdocs.org/ntsb/CHI94FA082.md): Cessna A185F · Sterling Hgts, MI · Accident · 2 fatal · Field investigation · Final report · Feb 11, 1994 · N53064 · Destroyed
  > The pilot's impairment of judgment and performance due to alcohol, which led to his intentional buzzing, and his failure to maintain sufficient altitude (or clearance) from obstacles. Factors related to the accident were: darkness and the unlighted tower.
- [NTSB MIA94FA070](https://openairdocs.org/ntsb/MIA94FA070.md): Cessna 152 · Brooksville, FL · Accident · 1 fatal · Field investigation · Final report · Feb 10, 1994 · N6613L · Destroyed
  > The pilot-in-command's failure to maintain a visual lookout and altitude while maneuvering after becoming lost/disoriented, resulting in an in-flight collision with trees and terrain. Contributing to the accident was the pilot's physical impairment due to…
- [NTSB ANC94FA032](https://openairdocs.org/ntsb/ANC94FA032.md): Piper PA-12 · Kenai, AK · Accident · 1 fatal · Field investigation · Final report · Feb 10, 1994 · N7523H · Destroyed
  > The pilot's failure to maintain airspeed while maneuvering at low altitude. A factor in the accident was the student pilot's inadequate training.
- [NTSB LAX94LA115](https://openairdocs.org/ntsb/LAX94LA115.md): Lampman Kitfox IV · Banning, CA · Accident · 2 fatal · Limited investigation · Final report · Feb 6, 1994 · N92NL · Destroyed
  > 1) The pilot's decision to fly in mountainous terrain at a low level, and 2) his failure to maintain adequate airspeed while maneuvering to reverse direction in a box canyon, which resulted in an inadvertent stall spin.
- [NTSB SEA94LA057](https://openairdocs.org/ntsb/SEA94LA057.md): Bell 206B · Cathlamet, WA · Accident · Minor injuries · Limited investigation · Final report · Feb 3, 1994 · N43823 · Substantial damage
  > Load jettison was not performed.
- [NTSB SEA94FA055](https://openairdocs.org/ntsb/SEA94FA055.md): Beech S35 · Ashland, OR · Accident · 2 fatal · Field investigation · Final report · Feb 3, 1994 · N50VT · Destroyed
  > Poor in-flight planning/decision. Factors to the accident were: clearance was not maintained and poor supervision.
- [NTSB SEA94LA054](https://openairdocs.org/ntsb/SEA94LA054.md): Fokker DR-1 · Auburn, WA · Accident · No injuries · Limited investigation · Final report · Feb 2, 1994 · N10717 · Substantial damage
  > The pilot failed to maintain clearance while maneuvering near another airplane.
- [NTSB MIA94LA062](https://openairdocs.org/ntsb/MIA94LA062.md): Bellanca 7GCBC · New Smyrna Bch, FL · Accident · Serious injuries · Limited investigation · Final report · Jan 29, 1994 · N57436 · Destroyed
  > The pilot-in-command's failure to maintain airspeed (VSO) while maneuvering, resulting in an in-flight loss of control (inadvertent stall) and subsequent in-flight collision with terrain.
- [NTSB LAX94FA106](https://openairdocs.org/ntsb/LAX94FA106.md): Sikorsky S-58 · San Jose, CA · Accident · 1 fatal · Field investigation · Final report · Jan 28, 1994 · N4995G · Destroyed
  > The pilot's inadequate preflight planning/preparation and subsequent fuel starvation, due to an inadequate supply of fuel. A factor related to the accident was: the proximity of high obstructions.
- [NTSB FTW94GA076](https://openairdocs.org/ntsb/FTW94GA076.md): Bellanca 8GCBC · Usaf Academy, CO · Accident · 2 fatal · Final report · Jan 28, 1994 · N7634S · Destroyed
  > Loss of control in flight for an undetermined reason.
- [NTSB BFO94LA035](https://openairdocs.org/ntsb/BFO94LA035.md): Robinson R-22A · Gaithersburg, MD · Accident · No injuries · Limited investigation · Final report · Jan 25, 1994 · N8559A · Substantial damage
  > The pilot's failure to maintain rotor RPM which led to an in flight loss of control resulting in a collision with the runway and the helicopter rolling over on its side. A factor in this accident was the pilot's lack of total experience flying helicopters.
- [NTSB MIA94LA060](https://openairdocs.org/ntsb/MIA94LA060.md): Robinson R-22 · Naples, FL · Accident · Minor injuries · Limited investigation · Final report · Jan 24, 1994 · N525BW · Substantial damage
  > The flight instructor's delayed reaction to take control of the helicopter. Contributing factors were the student pilot's improper use of cyclic and collective controls and his failure to release the flight controls to the flight instructor.
- [NTSB ATL94FA043](https://openairdocs.org/ntsb/ATL94FA043.md): Culver LCA · Lake City, SC · Accident · 2 fatal · Field investigation · Final report · Jan 23, 1994 · N72M · Substantial damage
  > Was the pilot's failure to maintain flying speed while maneuvering the airplane which resulted in the loss of control and the collision with the ground.
- [NTSB MIA94FA058](https://openairdocs.org/ntsb/MIA94FA058.md): Bellanca 8KCAB · Pontotoc, MS · Accident · 1 fatal · Field investigation · Final report · Jan 22, 1994 · N88255 · Destroyed
  > The pilot in command's failure to maintain altitude while manuevering resulting in the aircraft colliding with trees and then the ground.
- [NTSB LAX94LA102](https://openairdocs.org/ntsb/LAX94LA102.md): Furche-Bielsko SZD-48 Jantar · Warner Springs, CA · Accident · 1 fatal · Limited investigation · Final report · Jan 22, 1994 · N48DF · Destroyed
  > The pilot's improper remedial action to recover from the spin. The intentional stall/spin was a factor in this accident.
- [NTSB LAX94LA101](https://openairdocs.org/ntsb/LAX94LA101.md): Aviat Christen Eagle II · Ramona, CA · Accident · 1 fatal · Limited investigation · Final report · Jan 22, 1994 · N27HR · Destroyed
  > A failure of the pilot-in-command to maintain an adequate visual lookout and proper altitude to avoid colliding with rising terrain.
- [NTSB SEA94FA052](https://openairdocs.org/ntsb/SEA94FA052.md): Piper PA-12 · Idaho Falls, ID · Accident · 1 fatal · Field investigation · Final report · Jan 21, 1994 · N7805H · Substantial damage
  > The pilot's failure to maintain clearance from the terrain. Factors include the pilot's poor inflight decision to attempt low level maneuvers in a narrow canyon.
- [NTSB LAX94LA099](https://openairdocs.org/ntsb/LAX94LA099.md): Grumman G-164A · Davis, CA · Accident · Serious injuries · Limited investigation · Final report · Jan 20, 1994 · N8649H · Destroyed
  > was that the pilot misjudged the airplane's altitude during the swath run.
- [NTSB LAX94FA100](https://openairdocs.org/ntsb/LAX94FA100.md): Aerospatiale AS-350D · Lebec, CA · Accident · 2 fatal · Field investigation · Final report · Jan 20, 1994 · N5795X · Destroyed
  > The pilot-in-command's inadequate in-flight planning and inadequate visual lookout. Factors in the accident were mountainous terrain which masked the presence of the wires and the pilot-in-command's lack of familiarity with the geographic area.
- [NTSB FTW94LA071](https://openairdocs.org/ntsb/FTW94LA071.md): Bell 206L-3 · Cascade, CO · Accident · No injuries · Limited investigation · Final report · Jan 20, 1994 · N3211K · Substantial damage
  > The pilot's improper in-flight planning which resulted in the aircraft's yaw performance being exceeded. A factor was the high density altitude.
- [NTSB FTW94LA067](https://openairdocs.org/ntsb/FTW94LA067.md): Cessna 150D · Mount Pleasant, TX · Accident · No injuries · Limited investigation · Final report · Jan 18, 1994 · N4558U · Substantial damage
  > The power loss due to carburetor icing and the pilot's delayed use of carburetor heat. Factors were the weather conditions and the lack of suitable terrain for the forced landing.
- [NTSB FTW94FA065](https://openairdocs.org/ntsb/FTW94FA065.md): Piper PA-24-250 · Ratcliff, TX · Accident · 3 fatal · Field investigation · Final report · Jan 16, 1994 · N6522P · Destroyed
  > The pilot failed to maintain control of the airplane and allowed it to exceed its design stress limits, which resulted in overload failure of the stabilators and right outboard wing section.
- [NTSB ATL94LA039](https://openairdocs.org/ntsb/ATL94LA039.md): Air & Space 18A · Atlanta, GA · Accident · No injuries · Limited investigation · Final report · Jan 16, 1994 · N6118S · Substantial damage
  > A loss of control for undetermined reasons.
- [NTSB MIA94LA050](https://openairdocs.org/ntsb/MIA94LA050.md): Aerospatiale AS-350 · Lakeland, FL · Accident · Serious injuries · Limited investigation · Final report · Jan 13, 1994 · N902BA · Destroyed
  > The pilot-in-command's failure to follow the emergency procedure in the flight manual for governor malfunction. Contributing to the accident was inadequate written procedures in the flight manual by the aircraft manufacturer.
- [NTSB ANC94LA028](https://openairdocs.org/ntsb/ANC94LA028.md): Cessna 150 · Big Lake, AK · Accident · No injuries · Limited investigation · Final report · Jan 8, 1994 · N16037 · Substantial damage
  > Loss of engine power due to improper procedures used by the PIC. A factor contributing to the accident was the snow covered terrain.
- [NTSB SEA94LA047](https://openairdocs.org/ntsb/SEA94LA047.md): MBB BO-105S · Clearwater, OR · Accident · Minor injuries · Limited investigation · Final report · Jan 6, 1994 · N204PC · Destroyed
  > The pilot in command's failure to maintain clearance with the transmission wires. Factors contributing to the accident were the wires and sunglare.
- [NTSB LAX94LA092](https://openairdocs.org/ntsb/LAX94LA092.md): Beech 76 · Avalon, CA · Accident · Minor injuries · Limited investigation · Final report · Jan 3, 1994 · N8013Y · Substantial damage
  > The pilot's failure to see and avoid the powerlines. A related factor was the pilot's poor judgment in flying at low altitude.
- [NTSB SEA94FA045](https://openairdocs.org/ntsb/SEA94FA045.md): Cessna 172D · Bandon, OR · Accident · 2 fatal · Field investigation · Final report · Jan 1, 1994 · N2813U · Destroyed
  > The pilot's failure to maintain adequate clearance. Factors include strong, gust winds, a dark night, and the pilot's lack of experience in nighttime operations.
- [NTSB SEA94LA044](https://openairdocs.org/ntsb/SEA94LA044.md): Sommerauer Glasair I RG · Ogden, UT · Accident · No injuries · Limited investigation · Final report · Dec 31, 1993 · HBYDJ · Substantial damage
  > A loose fuel line fitting, and fuel starvation. Factors include an intentional wheels up forced landing, and soft rough/uneven terrain.
- [NTSB ATL94LA035](https://openairdocs.org/ntsb/ATL94LA035.md): Kaman HH-43B/F · Mobile, AL · Accident · No injuries · Limited investigation · Final report · Dec 29, 1993 · N5197W · Substantial damage
  > An inadequate major repair by company maintenance personnel who failed to install the cotter pin which secured the retaining nut of the right main rotor hub teeter pin.
- [NTSB LAX94LA084](https://openairdocs.org/ntsb/LAX94LA084.md): Texas Helicopter OH-13E/M74L · Los Banos, CA · Accident · No injuries · Limited investigation · Final report · Dec 28, 1993 · N38110 · Substantial damage
  > A failure of the pilot to utilize carburetor heat. The carburetor icing conditions were a factor in the accident.
- [NTSB ATL94LA032](https://openairdocs.org/ntsb/ATL94LA032.md): Cessna 152 · Edisto Island, SC · Accident · Minor injuries · Limited investigation · Final report · Dec 26, 1993 · N25566 · Substantial damage
  > Failure of the pilot to use carburetor heat, while maneuvering and changing altitudes, which resulted in carburetor ice. A factor related to the accident was that weather conditions were favorable for the formation of carburetor ice.
- [NTSB LAX94LA080](https://openairdocs.org/ntsb/LAX94LA080.md): Cessna 150G · Truckee, CA · Accident · 2 fatal · Limited investigation · Final report · Dec 25, 1993 · N4813X · Destroyed
  > The pilot's impaired judgment and impaired performance, while under the influence of drugs, that resulted in his failure to maintain sufficient altitude and clearance above the mountainous terrain and obstructions (power line & trees).
- [NTSB LAX94LA076](https://openairdocs.org/ntsb/LAX94LA076.md): Hughes 369D · Waimea, Kauai, HI · Accident · No injuries · Limited investigation · Final report · Dec 22, 1993 · N115HD · Substantial damage
  > An inadequate engine compressor cleaning procedure specified in the manufacturer's service letter, which resulted in the total loss of engine power due to contamination, blockage, and collapse of the fuel nozzle inlet screen. Factors in the accident were: the…
- [NTSB NYC94FA040](https://openairdocs.org/ntsb/NYC94FA040.md): Aero Commander 500A · White Mills, PA · Accident · 2 fatal · Field investigation · Final report · Dec 16, 1993 · N9379R · Destroyed
  > was the fracture and separation of the airplane wing, and the subsequent loss of control and collision with trees, as a result of the pilot's repeated performance of acrobatic maneuvers, which exceeded the design limits of the airplane.
- [NTSB NYC94LA049](https://openairdocs.org/ntsb/NYC94LA049.md): Mooney M20J · Jones Beach, NY · Accident · 3 fatal · Limited investigation · Final report · Dec 15, 1993 · N201TX · Destroyed
  > was the pilot's failure to maintain control of the airplane, resulting in the airplane impacting with the water. Also casual in this accident was the pilot's total lack of experience in this type of aircraft, and operations. A factor in this accident was the…
- [NTSB FTW94LA055](https://openairdocs.org/ntsb/FTW94LA055.md): Ebershoff Steen Skybolt · Erie, CO · Accident · No injuries · Limited investigation · Final report · Dec 15, 1993 · N360HP · Substantial damage
  > Was flutter of the flight controls.
- [NTSB SEA94LA039](https://openairdocs.org/ntsb/SEA94LA039.md): Hiller-Soloy UH-12D · Sublimity, OR · Accident · No injuries · Limited investigation · Final report · Dec 7, 1993 · N2297W · Substantial damage
  > Fuel exhaustion due to inadequate preflight and refueling not acomplished.
- [NTSB ATL94LA027](https://openairdocs.org/ntsb/ATL94LA027.md): Wonder VAN'S Acft RV-6 · Ridgeland, SC · Accident · Minor injuries · Limited investigation · Final report · Dec 7, 1993 · N443MW · Substantial damage
  > Improper installation of the magnetos by maintenance personnel, which allowed the right magneto to come loose, oil to escape from the engine, and subsequent oil starvation.
- [NTSB NYC94LA034](https://openairdocs.org/ntsb/NYC94LA034.md): Cessna 182Q · Nantucket, MA · Accident · 1 fatal · Limited investigation · Final report · Dec 6, 1993 · N96666 · Destroyed
  > The pilot's inability to control the airplane due to alcoholic impairment.
- [NTSB MIA94FA034](https://openairdocs.org/ntsb/MIA94FA034.md): Cessna 150J · Delray Beach, FL · Accident · 1 fatal · Field investigation · Final report · Dec 4, 1993 · N60517 · Destroyed
  > The pilot-in-command's failure to maintain altitude while maneuvering. This resulted in the pilot becoming spatially disoriented, and subsequent in-flight collision with the ocean. Contributing to the accident was the dark night with no visible horizon.
- [NTSB LAX94FA065](https://openairdocs.org/ntsb/LAX94FA065.md): Piper PA-18-150 · Payson, AZ · Accident · 2 fatal · Field investigation · Final report · Dec 4, 1993 · N4417Z · Destroyed
  > Improper in-flight planning/decision by the pilot, and his failure to maintain adequate airspeed, which resulted in an inadvertent stall/spin. Factors related to the accident were: pilot impairment from improper use of prescription drugs (not approved for…

Next page: https://openairdocs.org/ntsb-phases/450/cases.md?page=147

## 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 = 450)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/450/cases?page=146

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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.
