# NTSB investigations: Enroute

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 179 of 718 · 35,889 cases

## Cases, newest first

- [NTSB ANC00LA006](https://openairdocs.org/ntsb/ANC00LA006.md): Piper PA-31-T3 · Gambell, AK · Accident · No injuries · Limited investigation · Final report · Oct 16, 1999 · N220CS · Substantial damage
  > An in-flight collision with a bird.
- [NTSB LAX00FA014](https://openairdocs.org/ntsb/LAX00FA014.md): Piper PA-31-350 · North Las Vegas, NV · Accident · 1 fatal · Field investigation · Final report · Oct 15, 1999 · N1024B · Destroyed
  > The failure of the pilot-in-command to maintain separation from terrain while operating under visual flight rules. Contributing factors were the improper issuance of a suggested heading by air traffic control personnel, inadequate flight progress monitoring…
- [NTSB LAX00LA009](https://openairdocs.org/ntsb/LAX00LA009.md): Schweizer SGS-2-33A · Waialua, HI · Accident · No injuries · Limited investigation · Final report · Oct 14, 1999 · N17914 · Substantial damage
  > The pilot's delay in recognizing the onset of a wind direction change resulting in the downward flow of wind on the leeward side of the mountain (strong sink rate).
- [NTSB DEN00FA005](https://openairdocs.org/ntsb/DEN00FA005.md): Watkins Christen Eagle · Brigham City, UT · Accident · 1 fatal · Field investigation · Final report · Oct 11, 1999 · N24JT · Destroyed
  > The pilot's inability to maintain aircraft control due to an unknown physical impairment.
- [NTSB ANC00LA004](https://openairdocs.org/ntsb/ANC00LA004.md): Piper PA-31 · Soldotna, AK · Accident · No injuries · Limited investigation · Final report · Oct 11, 1999 · N74923 · Substantial damage
  > An in-flight collision with a bird.
- [NTSB FTW00LA009](https://openairdocs.org/ntsb/FTW00LA009.md): Cessna 150G · El Reno, OK · Accident · Minor injuries · Limited investigation · Final report · Oct 9, 1999 · N3603J · Substantial damage
  > The total loss of engine power resulting from a fatigue failure of the intake rocker arm for the #4 cylinder. A factor was the soft terrain encountered during the forced landing.
- [NTSB CHI00FA006](https://openairdocs.org/ntsb/CHI00FA006.md): Dassault DA-900B · Holland, MI · Accident · Serious injuries · Field investigation · Final report · Oct 9, 1999 · N523AC · Minor damage
  > The copilot's improper use of the autopilot system while leveling the flight from descent, resulting in an inadvertent pilot-induced pitch oscillation of the airplane. A factor was the flight attendant not wearing a seat belt at the time of the occurrence.
- [NTSB NYC00LA008](https://openairdocs.org/ntsb/NYC00LA008.md): Piper PA-28R-200 · Berlin, MD · Accident · Serious injuries · Limited investigation · Final report · Oct 8, 1999 · N56094 · Substantial damage
  > The failure of the number 3-cylinder exhaust valve stem due to fatigue cracking.
- [NTSB NYC00LA007](https://openairdocs.org/ntsb/NYC00LA007.md): Boeing - Canada DHC-8-102 · Philadelphia, PA · Accident · No injuries · Limited investigation · Final report · Oct 7, 1999 · N818EX · Substantial damage
  > An in flight collision with birds.
- [NTSB LAX00LA055](https://openairdocs.org/ntsb/LAX00LA055.md): Bell 206B · Apache Junction, AZ · Accident · No injuries · Limited investigation · Final report · Oct 7, 1999 · N6624N · Substantial damage
  > Oil starvation and seizure of the engines Nos. 6 and 7 bearings due to a clogged oil jet, which resulted in a total loss of engine power.
- [NTSB NYC00FA006](https://openairdocs.org/ntsb/NYC00FA006.md): Raytheon Corporate Jets BE-200 · Williamstown, MA · Accident · 2 fatal · Field investigation · Final report · Oct 5, 1999 · N208MS · Destroyed
  > The pilot-in-command's failure comply with an air traffic control clearance which resulted in a collision with terrain. A factor in this accident was clouds.
- [NTSB CHI00LA004](https://openairdocs.org/ntsb/CHI00LA004.md): Draper Rans S-10 · Benton, KS · Accident · 2 fatal · Limited investigation · Final report · Oct 4, 1999 · N7868G · Destroyed
  > the pilot inadvertently stalled the airplane. Factors relating to the accident was the undetermined loss of power and the pilot's lack of recent experience in the airplane.
- [NTSB SEA00FA001](https://openairdocs.org/ntsb/SEA00FA001.md): de Havilland DHC-2 Mark 1 · Port Blakely, WA · Accident · Minor injuries · Field investigation · Final report · Oct 1, 1999 · N9766Z · Substantial damage
  > The pilot-in-command's failure to maintain adequate clearance from trees/terrain. Contributing factors were rising terrain and trees.
- [NTSB FTW99LA272](https://openairdocs.org/ntsb/FTW99LA272.md): Cessna 150F · Poteau, OK · Accident · 1 fatal · Limited investigation · Final report · Oct 1, 1999 · N8092S · Substantial damage
  > The instructor pilot's inadequate in-flight decision making, which resulted in the continued flight with a disabled generator and subsequent total failure of the electrical system. Factors were the installation of the inadequate generator fuse by unknown…
- [NTSB NYC99LA240](https://openairdocs.org/ntsb/NYC99LA240.md): Airbus Industrie 319-131 · Sparta, NJ · Accident · Serious injuries · Limited investigation · Final report · Sep 30, 1999 · N821UA · No damage
  > The airplane's encounter with clear air turbulence.
- [NTSB FTW99LA273](https://openairdocs.org/ntsb/FTW99LA273.md): Cessna 152 · Slaton, TX · Accident · No injuries · Limited investigation · Final report · Sep 30, 1999 · N5399B · Substantial damage
  > The pilot's failure to refuel the airplane resulting in fuel exhaustion. Factors were the pilot's inadequate preflight planning and the lack of suitable terrain for the forced landing.
- [NTSB CHI99LA355](https://openairdocs.org/ntsb/CHI99LA355.md): Piper PA-28-181 · Hermosa, SD · Accident · Minor injuries · Limited investigation · Final report · Sep 30, 1999 · N3889F · Substantial damage
  > the pilot's improper fuel management, improper in-flight decision and the precautionary landing. Factors relating to this accident were the pilot's inadequate preflight planning and the fence post.
- [NTSB FTW99LA271](https://openairdocs.org/ntsb/FTW99LA271.md): Stinson L-5 · Woodward, OK · Accident · No injuries · Limited investigation · Final report · Sep 29, 1999 · N68591 · Substantial damage
  > The in-flight separation of the tip of a wood propeller blade. Contributing factors were the soft terrain and ditch encountered during the precautionary landing.
- [NTSB CHI99FA356](https://openairdocs.org/ntsb/CHI99FA356.md): Piper PA-28-140 · Clinton, IA · Accident · 1 fatal · Field investigation · Final report · Sep 28, 1999 · N5747U · Destroyed
  > the pilot's continued flight into known adverse weather conditions and not maintaining altitude/clearance. Factors were the low clouds, rain, and dark night conditions.
- [NTSB CHI99LA348](https://openairdocs.org/ntsb/CHI99LA348.md): Cessna 172N · Des Moines, IA · Accident · No injuries · Limited investigation · Final report · Sep 27, 1999 · N738FA · Substantial damage
  > the pilot's improper in-flight planning and decisions which led to fuel exhaustion. A factor relating to this accident was the telephone pole.
- [NTSB SEA99LA174](https://openairdocs.org/ntsb/SEA99LA174.md): Piper PA-28-180 · Vaughn, WA · Accident · No injuries · Limited investigation · Final report · Sep 26, 1999 · N9395J · Substantial damage
  > The separation of a propeller blade tip due to fatigue, and the improper maintenance procedure.
- [NTSB NYC99IA239](https://openairdocs.org/ntsb/NYC99IA239.md): Israel Aircraft Industries 1124 · Nantucket, MA · Incident · No injuries · Incident investigation · Final report · Sep 26, 1999 · N666K · Minor damage
  > A fractured turbine wheel.
- [NTSB DCA99MA088](https://openairdocs.org/ntsb/DCA99MA088.md): Piper PA-31-350 · Volcano, HI · Accident · 10 fatal · Major investigation · Final report · Sep 26, 1999 · N411WL · Destroyed
  > the pilot's decision to continue visual flight into instrument meteorological conditions (IMC) in an area of cloud-covered mountainous terrain. Contributing to the accident were the pilot's failure to properly navigate and his disregard for standard operating…
- [NTSB NYC99FA236](https://openairdocs.org/ntsb/NYC99FA236.md): Piper PA 22-150 · Goshen, KY · Accident · 2 fatal · Field investigation · Final report · Sep 25, 1999 · N2381P · Destroyed
  > A loss of engine power for undetermined reasons which resulted in a forced landing and subsequent collision with terrain. A factor in this accident was the down-sloping terrain.
- [NTSB MIA99LA274](https://openairdocs.org/ntsb/MIA99LA274.md): Piper PA-28-236 · St. Augustine, FL · Accident · No injuries · Limited investigation · Final report · Sep 25, 1999 · N9123P · Substantial damage
  > The inadvertent inflight collision with a bird resulting in substantial damage to the right wing outboard leading edge.
- [NTSB MIA99LA268](https://openairdocs.org/ntsb/MIA99LA268.md): Banting Glasair II · River Ranch, FL · Accident · No injuries · Limited investigation · Final report · Sep 25, 1999 · N55BP · Substantial damage
  > A total loss of engine power for undetermined reasons, which resulted in a forced landing to non-suitable terrain.
- [NTSB LAX99FA317](https://openairdocs.org/ntsb/LAX99FA317.md): Kaman HH-43F · Phoenix, AZ · Accident · 2 fatal · Field investigation · Final report · Sep 25, 1999 · N100PL · Destroyed
  > Failure of the horizontal stabilizer left outboard forward attach point because of a previously existing crack that resulted from inadequate maintenance inspection by the operator. A factor was the use of automotive parts.
- [NTSB FTW99FA265](https://openairdocs.org/ntsb/FTW99FA265.md): Carter Spacewalker II · Conroe, TX · Accident · 2 fatal · Field investigation · Final report · Sep 25, 1999 · N235FC · Destroyed
  > The in-flight separation of the left wing due to the failure of the wing spars resulting from the builder's improper design change utilizing basswood for the spars instead of the specified spruce.
- [NTSB CHI99LA347](https://openairdocs.org/ntsb/CHI99LA347.md): Beech V35B · Henrietta, MO · Accident · Serious injuries · Limited investigation · Final report · Sep 25, 1999 · N3047W · Substantial damage
  > The engine failure due to mismanagement of the fuel system and aircraft control not maintained by the pilot.
- [NTSB MIA99LA270](https://openairdocs.org/ntsb/MIA99LA270.md): Cessna 172RG · Orlando, FL · Accident · No injuries · Limited investigation · Final report · Sep 24, 1999 · N9536B · Substantial damage
  > the pilot's failure to ensure that the landing gear was down and locked following loss of electrical power for undetermined reasons, resulting in substantial damage to the airplane when the right main landing gear collapsed upon landing.
- [NTSB LAX99LA318](https://openairdocs.org/ntsb/LAX99LA318.md): Ciernia Glasair III · Snelling, CA · Accident · No injuries · Limited investigation · Final report · Sep 24, 1999 · N153JC · Substantial damage
  > The pilot's inadequate preflight inspection, which failed to ensure that the left fuel filler cap was secure, and his decision to continue flight with a known malfunction in the electric fuel pump. Also causal was the pilot's improper positioning of the fuel…
- [NTSB ANC99LA151](https://openairdocs.org/ntsb/ANC99LA151.md): Cessna 172 · Galena, AK · Accident · Minor injuries · Limited investigation · Final report · Sep 24, 1999 · N5309R · Substantial damage
  > The pilot's failure to refuel, and the resulting fuel exhaustion. A factor was the dark night which hampered location of a nearby closed, and unlit, airstrip.
- [NTSB MIA99LA271](https://openairdocs.org/ntsb/MIA99LA271.md): Cessna 177 · St Petersburg, FL · Accident · No injuries · Limited investigation · Final report · Sep 23, 1999 · N3342T · Substantial damage
  > A loose throttle control cable clamp which resulted in a lose of power.
- [NTSB DEN99LA168](https://openairdocs.org/ntsb/DEN99LA168.md): Bell 47G3B2A · Tremonton, UT · Accident · No injuries · Limited investigation · Final report · Sep 23, 1999 · N83246 · Substantial damage
  > The pilot's failure to maintain rotor rpm while attempting a precautionary autorotation landing. A factor was the loss of engine power for undetermined reasons.
- [NTSB LAX99FA315](https://openairdocs.org/ntsb/LAX99FA315.md): Boeing 757-2S7 · Agua Caliente, AZ · Accident · Serious injuries · Field investigation · Final report · Sep 20, 1999 · N904AW · No damage
  > the systemic failure of the airline's maintenance department to identify and correct the long standing history of intermittent faults, nuisance warnings, and erratic behavior in this airplane's GPWS system. Also causal is the airline's failure to perform the…
- [NTSB MIA99LA258](https://openairdocs.org/ntsb/MIA99LA258.md): Beech BE-200 · Atlantic Ocean (Atlantic Ocean) · Accident · 2 fatal · Limited investigation · Final report · Sep 19, 1999 · YV385 · Destroyed
  > undetermined.
- [NTSB FTW99FA262](https://openairdocs.org/ntsb/FTW99FA262.md): Beech A36TC · Franklinton, LA · Accident · 4 fatal · Field investigation · Final report · Sep 19, 1999 · N206WJ · Destroyed
  > The pilot's inadvertent stall while attempting to clear trees during a go-around. Factors were the pilot's misjudgment of the airplane's distance and speed during the precautionary landing and the partial loss of engine power due to a perforated piston.
- [NTSB ATL99FA134](https://openairdocs.org/ntsb/ATL99FA134.md): Beech BE-35-J35 · Bartow, FL · Accident · 2 fatal · Field investigation · Final report · Sep 19, 1999 · N648T · Destroyed
  > The pilot's inadequate fuel management that resulted in the complete loss of engine power.
- [NTSB NYC99IA231](https://openairdocs.org/ntsb/NYC99IA231.md): McDonnell Douglas MD-88 · Covington, KY · Incident · No injuries · Incident investigation · Final report · Sep 18, 1999 · N947DL · Minor damage
  > Deteriorated wire insulation and shorting at a short radius bend to the electrical wiring in the right side alternate static port heater, which resulted in electrical arcing and a fire sustained by overlaying thermal acoustic insulation.
- [NTSB LAX99FA316](https://openairdocs.org/ntsb/LAX99FA316.md): Piper PA-24-180 · June Lake, CA · Accident · 2 fatal · Field investigation · Final report · Sep 18, 1999 · N5673P · Destroyed
  > The pilot's continued VFR flight into known instrument meteorological conditions, including icing, which resulted in an in-flight collision with mountainous terrain.
- [NTSB DEN99LA165](https://openairdocs.org/ntsb/DEN99LA165.md): Cessna 152 · Murray, UT · Accident · No injuries · Limited investigation · Final report · Sep 18, 1999 · N65602 · Substantial damage
  > A forced landing on unsuitable terrain. Factors were fuel exhaustion and inaccurate preflight planning by the flight instructor.
- [NTSB LAX99LA323](https://openairdocs.org/ntsb/LAX99LA323.md): Airbus Industrie A-320-231 · Beatty, NV · Accident · Serious injuries · Limited investigation · Final report · Sep 17, 1999 · N628AW · No damage
  > the failure of the injured passengers to remain seated with their seat belts fastened as directed by the captain.
- [NTSB ATL99LA130](https://openairdocs.org/ntsb/ATL99LA130.md): Cessna 182P · Summerville, GA · Accident · No injuries · Limited investigation · Final report · Sep 14, 1999 · N6863M · Substantial damage
  > The missing throttle linkage bolt from the carburetor due to an improper engine installation by maintenance personnel. Factors were the tailwind present during the landing roll and the trees.
- [NTSB NYC99FA222](https://openairdocs.org/ntsb/NYC99FA222.md): Cessna 337C · North Adams, MA · Accident · 2 fatal · Field investigation · Final report · Sep 12, 1999 · N973FS · 2 aircraft · Destroyed
  > the failure of the pilot of the Cessna 305 to follow the instructions issued, and maintain a low altitude. A factor was the delay in evasive action by the pilot of the Cessna 337 after he was first advised that the Cessna 305 was climbing.
- [NTSB MIA99FA252](https://openairdocs.org/ntsb/MIA99FA252.md): Boeing B737-300 · West Palm Beach, FL · Accident · No injuries · Field investigation · Final report · Sep 12, 1999 · N17356 · Substantial damage
  > The fatigue fracture and separation of the high pressure turbine forward rotating air seal due to a manufacturing defect in a bolt hole that was not detected by the engine manufacturer due to inadequate and ineffective inspection techniques. Contributing to…
- [NTSB ANC99LA141](https://openairdocs.org/ntsb/ANC99LA141.md): Eurocopter AS-350B-2 · Juneau, AK · Accident · No injuries · Limited investigation · Final report · Sep 11, 1999 · N6099Y · Substantial damage
  > The pilot's failure to maintain altitude/clearance. Factors associated with the accident were flat light conditions, snow-covered terrain, and self-induced pressure to continue the search.
- [NTSB SEA99LA161](https://openairdocs.org/ntsb/SEA99LA161.md): Wild Goose A1 · Keizer, OR · Accident · No injuries · Limited investigation · Final report · Sep 10, 1999 · N3451 · Substantial damage
  > A loose fuel line fitting resulted in a loss of engine power. An intentional wheels down landing was a factor.
- [NTSB ANC99FA139](https://openairdocs.org/ntsb/ANC99FA139.md): Eurocopter AS-350B-2 · Juneau, AK · Accident · Serious injuries · Field investigation · Final report · Sep 10, 1999 · N6007S · Destroyed
  > The pilot's continued flight into instrument meteorological conditions (IMC), and inadequate altitude/clearance. Factors associated with the accident were flat light and whiteout conditions, snow, and snow-covered terrain. An additional factor was the FAA's…
- [NTSB LAX99FA301](https://openairdocs.org/ntsb/LAX99FA301.md): Piper PA-22-150 · Strathmore, CA · Accident · 1 fatal · Field investigation · Final report · Sep 9, 1999 · N1775P · Destroyed
  > The failure of the pilot to maintain an adequate terrain and obstacle clearance altitude, which resulted in a collision with power transmission wires.
- [NTSB FTW99LA267](https://openairdocs.org/ntsb/FTW99LA267.md): Aeronca 11AC · Van Horn, TX · Accident · No injuries · Limited investigation · Final report · Sep 9, 1999 · N9044E · Substantial damage
  > A restriction within the auxiliary fuel supply system and the rough terrain during the subsequent precautionary landing resulting on main gear collapse.

Next page: https://openairdocs.org/ntsb-phases/400/cases.md?page=180

## 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 = 400)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/400/cases?page=179

---
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.