# NTSB investigations, 2000: Takeoff

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 4 · 162 cases

## Latest cases

- [NTSB NYC01LA063](https://openairdocs.org/ntsb/NYC01LA063.md): Cessna 172M · Farmville, VA · Accident · No injuries · Limited investigation · Final report · Dec 29, 2000 · N73404 · Substantial damage
  > the failure of the pilot to maintain directional control.
- [NTSB NYC01FA062](https://openairdocs.org/ntsb/NYC01FA062.md): McDonnell Douglas DC-9-51 · Jamaica, NY · Accident · No injuries · Field investigation · Final report · Dec 28, 2000 · N769NC · Substantial damage
  > The low cycle fatigue fracturing of the approach lighting cover securing bolts.
- [NTSB MIA01LA047](https://openairdocs.org/ntsb/MIA01LA047.md): Larry Groover Eagle · Auburndale, FL · Accident · No injuries · Limited investigation · Final report · Dec 22, 2000 · N8132L · Substantial damage
  > the pilot's failure to maintain adequate clearance during takeoff, which resulted in an inflight collision with a fence and substantial damage to the aircraft.
- [NTSB CHI01LA051](https://openairdocs.org/ntsb/CHI01LA051.md): Cessna 172M · Sturgis, SD · Accident · No injuries · Limited investigation · Final report · Dec 19, 2000 · N13584 · Substantial damage
  > The pilot failed to maintain control of the airplane during takeoff and he discontinued an aborted takeoff once initiated. Factors associated with the accident were the inaccurate elevator trim indicator, the pilot's failure to verify the trim setting,…
- [NTSB MIA01LA036](https://openairdocs.org/ntsb/MIA01LA036.md): Air Tractor AT-602 · Clarksville, FL · Accident · No injuries · Limited investigation · Final report · Dec 6, 2000 · N9046D · Substantial damage
  > The pilot's delay in aborting a takeoff after hitting a soft spot (sand) in the runway resulting in the airplane going off the end of the runway and colliding with trees. Contributing to the accident was the pilots decision to attempt the flight in an over…
- [NTSB NYC01LA047](https://openairdocs.org/ntsb/NYC01LA047.md): Cessna 152 · Cross Keys, NJ · Accident · No injuries · Limited investigation · Final report · Dec 2, 2000 · N757RR · Substantial damage
  > The overstress separation of the control yoke from the control column.
- [NTSB SEA01LA022](https://openairdocs.org/ntsb/SEA01LA022.md): Aerofab Lake 250 · Mercer Island, WA · Accident · Minor injuries · Limited investigation · Final report · Dec 1, 2000 · N8551Z · Substantial damage
  > The pilot's failure to maintain aircraft control during a left turning step taxi to takeoff, resulting in a wing contacting the water during the step turn.
- [NTSB NYC01LA045](https://openairdocs.org/ntsb/NYC01LA045.md): Piper PA-28 · Lebanon, OH · Accident · Minor injuries · Limited investigation · Final report · Nov 28, 2000 · N5035W · Substantial damage
  > The flight instructor's failure to maintain aircraft control during an aborted takeoff. A factor in the accident was a partial loss of engine power.
- [NTSB CHI01LA041](https://openairdocs.org/ntsb/CHI01LA041.md): Cessna 150M · Jefferson City, MO · Accident · No injuries · Limited investigation · Final report · Nov 24, 2000 · N66633 · Substantial damage
  > the student pilots failure to maintain directional control. Factors were the service road and the nose gear collapse.
- [NTSB MIA01TA237](https://openairdocs.org/ntsb/MIA01TA237.md): Aerofab Lake Seawolf · Frostproof, FL · Accident · No injuries · Final report · Nov 16, 2000 · N65RF · Substantial damage
  > The failure of the instructor pilot and dual student to begin the water takeoff with adequate clearance from the lake shore for the dual student to complete the takeoff and the failure of the instructor pilot to recognize in a timely manner during the takeoff…
- [NTSB CHI01LA036](https://openairdocs.org/ntsb/CHI01LA036.md): Cessna 172H · Kalkaska, MI · Accident · Minor injuries · Limited investigation · Final report · Nov 15, 2000 · N1706F · Substantial damage
  > The student pilot's failure to maintain aircraft control on the ground. Factors relating to this accident were the student pilot's improper abort procedures, the sign, and the ditch.
- [NTSB CHI01FA032](https://openairdocs.org/ntsb/CHI01FA032.md): Swearingen SA226TC · Fort Wayne, IN · Accident · 1 fatal · Field investigation · Final report · Nov 9, 2000 · N731AC · Destroyed
  > The indicated failure of the right hand AC bus during takeoff with low ceiling. The factors were the low ceiling, night, and the execssive workload the pilot experienced on takeoff with an electrical failure without a second in command.
- [NTSB ANC01LA017](https://openairdocs.org/ntsb/ANC01LA017.md): Cessna 207A · Bethel, AK · Accident · No injuries · Limited investigation · Final report · Nov 3, 2000 · N7336U · Substantial damage
  > The pilot's failure to use all available runway. Factors associated with the accident were the pilot's inadequate preflight planning/preparation, a short runway, a tailwind, and a slush-covered runway.
- [NTSB SEA01LA007](https://openairdocs.org/ntsb/SEA01LA007.md): Beech N35 · Arlington, WA · Accident · No injuries · Limited investigation · Final report · Oct 23, 2000 · N1255Z · Substantial damage
  > The pilot's failure to abort the takeoff upon experiencing directional control difficulties. Factors included the pilot's failure or inability to maintain directional control, and a taxiway sign.
- [NTSB SEA01LA009](https://openairdocs.org/ntsb/SEA01LA009.md): Hallett HALLETT-1 · Yelm, WA · Accident · No injuries · Limited investigation · Final report · Oct 21, 2000 · N8331H · Substantial damage
  > The pilot's failure to abort the takeoff when it became questionable as to whether the aircraft would be able to clear an object just off the departure end of the runway, and the pilot's failure to maintain clearance from the object as he attempted to…
- [NTSB CHI01LA021](https://openairdocs.org/ntsb/CHI01LA021.md): Beech A36 · Quincy, IL · Accident · No injuries · Limited investigation · Final report · Oct 21, 2000 · N6682Z · Substantial damage
  > the evasive maneuver not possible by the pilot and the deer on the runway. A factor was the dark night.
- [NTSB LAX01LA019](https://openairdocs.org/ntsb/LAX01LA019.md): Beech 300 · Concord, CA · Accident · Serious injuries · Limited investigation · Final report · Oct 19, 2000 · N398DE · Substantial damage
  > the pilot's delayed decision to abort the takeoff and his failure to utilize the propeller's reverse pitch function.
- [NTSB MIA01LA007](https://openairdocs.org/ntsb/MIA01LA007.md): Robinson R-22 Beta · Dellwood, FL · Accident · Minor injuries · Limited investigation · Final report · Oct 17, 2000 · N621DM · Substantial damage
  > the pilot's failure to clear the area, and his attempted takeoff while the helicopter's right skid was entangled with vines, which resulted in inadvertent dynamic rollover and substantial damage to the aircraft.
- [NTSB CHI01LA010](https://openairdocs.org/ntsb/CHI01LA010.md): Piper PA-32R-301T · Tecumseh, MI · Accident · No injuries · Limited investigation · Final report · Oct 15, 2000 · N289JG · Substantial damage
  > The pilot was unable to rotate the aircraft during takeoff for undetermined reasons. A factor associated with the accident was the soft terrain, which the airplane encountered during the aborted takeoff.
- [NTSB ANC01LA005](https://openairdocs.org/ntsb/ANC01LA005.md): Cessna 180 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Oct 8, 2000 · N9306C · Substantial damage
  > The pilot's delay in aborting the takeoff run. A factor associated with the accident was glassy water conditions.
- [NTSB ANC01LA004](https://openairdocs.org/ntsb/ANC01LA004.md): Piper PA-18 · Ekwok, AK · Accident · No injuries · Limited investigation · Final report · Oct 7, 2000 · N4882P · Substantial damage
  > The pilot's inadequate compensation for a crosswind condition. A factor in the accident was a crosswind.
- [NTSB ANC01LA001](https://openairdocs.org/ntsb/ANC01LA001.md): Piper PA-18-160 · Naknek, AK · Accident · No injuries · Limited investigation · Final report · Oct 2, 2000 · N59645 · Substantial damage
  > The pilot's selection of an unsuitable takeoff area. Factors associated with the accident were wet and soft terrain.
- [NTSB CHI00LA310](https://openairdocs.org/ntsb/CHI00LA310.md): Piper PA-32-260 · Petersburg, MI · Accident · No injuries · Limited investigation · Final report · Sep 29, 2000 · N33117 · Destroyed
  > the pilots failure to abort the takeoff and obtain/maintain clearance from the corn crop. Factors were the tall, wet, grass runway, and the corn crop.
- [NTSB ANC00LA130](https://openairdocs.org/ntsb/ANC00LA130.md): Piper PA-18 · Wasilla, AK · Accident · No injuries · Limited investigation · Final report · Sep 27, 2000 · N7099Y · Substantial damage
  > The pilot's failure to maintain directional control during the takeoff roll. A factor associated with the accident was the presence of tall brush alongside the runway.
- [NTSB LAX00LA344](https://openairdocs.org/ntsb/LAX00LA344.md): Schweizer G-164B · Corcoran, CA · Accident · No injuries · Limited investigation · Final report · Sep 21, 2000 · N3626T · Substantial damage
  > The pilot's inadequate preflight inspection and his failure to maintain directional control during takeoff. Factors were the pilot's failure to ensure that the fuel tank cover was replaced properly, fuel contamination of the windscreen, and the sun angle that…
- [NTSB ANC00LA127](https://openairdocs.org/ntsb/ANC00LA127.md): Piper PA-18 · Galena, AK · Accident · No injuries · Limited investigation · Final report · Sep 20, 2000 · N81648 · Substantial damage
  > The pilot's inadequate compensation for the wind conditions. Factors were the crosswind, and a snow-covered ridge.
- [NTSB LAX00LA343](https://openairdocs.org/ntsb/LAX00LA343.md): Bell 206BIII · Ojai, CA · Accident · Serious injuries · Limited investigation · Final report · Sep 19, 2000 · N90214 · Substantial damage
  > the pilot encountered a loss of tail rotor effectiveness which led to an uncontrolled rotation and subsequent hard landing. Factors were unfavorable wind conditions, density altitude, and uneven terrain.
- [NTSB DEN00LA174](https://openairdocs.org/ntsb/DEN00LA174.md): Bellanca 17-30A · Las Cruces, NM · Accident · Minor injuries · Limited investigation · Final report · Sep 17, 2000 · N14774 · Substantial damage
  > The pilot's failure to maintain lateral clearance with terrain. Factors were the confined area used for takeoff, and the high vegetation alongside the road.
- [NTSB CHI00LA301](https://openairdocs.org/ntsb/CHI00LA301.md): Champion 7GCBC · Valentine, NE · Accident · Minor injuries · Limited investigation · Final report · Sep 17, 2000 · N2993G · Substantial damage
  > the delayed aborted takeoff. Factors relating to this accident were the pilot's inadequate planning/preparation for the flight, the high density altitude, and the ditch.
- [NTSB LAX00LA337](https://openairdocs.org/ntsb/LAX00LA337.md): Globe GC-1B · Grass Valley, CA · Accident · No injuries · Limited investigation · Final report · Sep 15, 2000 · N78053 · Substantial damage
  > the pilot's failure to maintain directional control of the airplane during the takeoff roll.
- [NTSB CHI00LA312](https://openairdocs.org/ntsb/CHI00LA312.md): Cessna 208B · Belleville, MI · Accident · No injuries · Limited investigation · Final report · Sep 15, 2000 · N806BF · Substantial damage
  > the pilot's improper securing of the cargo that led up to the cargo shift during takeoff roll. A factor was the cargo restraint failure.
- [NTSB LAX00LA333](https://openairdocs.org/ntsb/LAX00LA333.md): Piper PA-28-180 · Payson, AZ · Accident · No injuries · Limited investigation · Final report · Sep 10, 2000 · N4208T · Substantial damage
  > The pilot's failure to maintain directional control during the takeoff roll due to over-rotation, inadequate airspeed, and improper remedial action under the high density altitude condition.
- [NTSB ATL00LA089](https://openairdocs.org/ntsb/ATL00LA089.md): Grumman AA-5A · St. Augustine, FL · Accident · Serious injuries · Limited investigation · Final report · Sep 10, 2000 · N26934 · Substantial damage
  > The loss of engine power due to fuel system contamination.
- [NTSB CHI00LA291](https://openairdocs.org/ntsb/CHI00LA291.md): Beech A36TC · Moorehead, MN · Accident · Serious injuries · Limited investigation · Final report · Sep 9, 2000 · N3683D · Substantial damage
  > The pilots failure to abort the takeoff and the airplane not attaining a proper climb rate for undetermined reasons.
- [NTSB ATL00LA086](https://openairdocs.org/ntsb/ATL00LA086.md): Bell 47G-3B-2 · Pine Hill, AL · Accident · No injuries · Limited investigation · Final report · Sep 9, 2000 · N2243W · Substantial damage
  > The pilot's failure to adequately preflight the helicopter, which resulted in his failure to remove the tie down.
- [NTSB NYC00LA256](https://openairdocs.org/ntsb/NYC00LA256.md): Cessna 172P · Cross Keys, NJ · Accident · Minor injuries · Limited investigation · Final report · Sep 8, 2000 · N9594L · Substantial damage
  > The operator's inadequate 100-hour inspection of the airplane, and the pilot's continued operation with known deficiencies in equipment.
- [NTSB NYC00LA255](https://openairdocs.org/ntsb/NYC00LA255.md): Lake LA-4-200 · Laconia, NH · Accident · No injuries · Limited investigation · Final report · Sep 8, 2000 · N2594P · Substantial damage
  > The pilot's failure to maintain aircraft control. A factor in the accident was the large wave.
- [NTSB DEN00LA166](https://openairdocs.org/ntsb/DEN00LA166.md): Cessna 340A · Big Piney, WY · Accident · No injuries · Limited investigation · Final report · Sep 8, 2000 · N844YT · Substantial damage
  > Collision with animals during the takeoff roll.
- [NTSB NYC00LA252](https://openairdocs.org/ntsb/NYC00LA252.md): Piper PA-60-601P · Northampton, MA · Accident · No injuries · Limited investigation · Final report · Sep 7, 2000 · N601WK · Substantial damage
  > The pilot's improper preflight planning which resulted in an attempted takeoff from a taxiway. A factor in the accident was the fog.
- [NTSB IAD00LA081](https://openairdocs.org/ntsb/IAD00LA081.md): Piper PA-28-180 · Headwaters, VA · Accident · No injuries · Limited investigation · Final report · Sep 7, 2000 · N15275 · Substantial damage
  > Pilot's failure to maintain aircraft control during take-off, which resulted in a stall.
- [NTSB NYC00IA250](https://openairdocs.org/ntsb/NYC00IA250.md): McDonnell Douglas DC-10-30 · Newark, NJ · Incident · No injuries · Incident investigation · Final report · Sep 5, 2000 · N14090 · Minor damage
  > The sequential failure of the 2nd-stage low pressure turbine nozzle locks, which allowed the 2nds stage turbine nozzle segments to rotate within the low pressure turbine case, machining a hole whereby the nozzle segments exited the engine. A factor was the…
- [NTSB NYC00LA244](https://openairdocs.org/ntsb/NYC00LA244.md): Cessna 172L · Windsor, NH · Accident · Minor injuries · Limited investigation · Final report · Aug 29, 2000 · N7664G · Substantial damage
  > the pilot's improper preflight planning to make a takeoff toward obstacles, and his delayed decision to abort the takeoff, which resulted in an overrun into unsuitable terrain.
- [NTSB LAX00LA313](https://openairdocs.org/ntsb/LAX00LA313.md): Cessna 180 · Cameron Park, CA · Accident · Minor injuries · Limited investigation · Final report · Aug 27, 2000 · N2443C · Substantial damage
  > failure of the pilot to verify the seat latch was secure, resulting in the pilot's inability to reach the flight controls necessary to maintain directional control.
- [NTSB NYC00LA241](https://openairdocs.org/ntsb/NYC00LA241.md): Freund Wittman W10 · Valley City, OH · Accident · No injuries · Limited investigation · Final report · Aug 26, 2000 · N8470X · Substantial damage
  > The pilot's failure to maintain aircraft control during the takeoff. A factor in this accident was the crosswind condition.
- [NTSB IAD00LA070](https://openairdocs.org/ntsb/IAD00LA070.md): Jordan Kitfox Model 1 · Waynesville, OH · Accident · Minor injuries · Limited investigation · Final report · Aug 26, 2000 · N37SK · Substantial damage
  > A broken carburetor jet needle, which blocked fuel from entering the carburetor's mixing tube and resulted in a partial loss of engine power.
- [NTSB ANC00LA103](https://openairdocs.org/ntsb/ANC00LA103.md): Cessna 185 · Kaktovik, AK · Accident · No injuries · Limited investigation · Final report · Aug 17, 2000 · N1205F · Substantial damage
  > The pilot's selection of an unsuitable takeoff area on the airstrip. Factors associated with this accident were the rough takeoff area, and the pilot's loss of directional control.
- [NTSB MIA00LA238](https://openairdocs.org/ntsb/MIA00LA238.md): Cessna 152 · Gainesville, FL · Accident · Minor injuries · Limited investigation · Final report · Aug 15, 2000 · N93589 · Substantial damage
  > The flight instructor's failure to identify a partial loss of engine power during takeoff roll, and his failure to maintain airspeed while attempting to return to the airport after takeoff resulting in the airplane stalling and descending uncontrolled until…
- [NTSB ANC00LA101](https://openairdocs.org/ntsb/ANC00LA101.md): Haskins CHALLENGER-2 · Central, AK · Accident · Minor injuries · Limited investigation · Final report · Aug 12, 2000 · N61881 · Substantial damage
  > The pilot's inadequate evaluation of the winds, and his intentional attempt to takeoff into the known adverse weather. Factors associated with this accident were the gusty crosswind conditions.
- [NTSB MIA00LA237](https://openairdocs.org/ntsb/MIA00LA237.md): Air Tractor 502B · Perthshire, MS · Accident · No injuries · Limited investigation · Final report · Aug 10, 2000 · N90158 · Substantial damage
  > the pilot's failure to perform a weight and balance check that resulted in overloading of the airplane with spraying material, for the weather conditions that existed at the time of takeoff. Factors in this accident were extremely high temperatures, which…
- [NTSB DEN00LA147](https://openairdocs.org/ntsb/DEN00LA147.md): Fisher Glastar GS-1 · Berthoud, CO · Accident · Minor injuries · Limited investigation · Final report · Aug 10, 2000 · N99DF · Substantial damage
  > The pilot's failure to maintain obstacle clearance during takeoff. A factor was the irrigation equipment.

Next page: https://openairdocs.org/ntsb-phases/300/cases.md?year=2000&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 year(c."eventDate") = 2000
  AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 300)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/300/cases?year=2000

---
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.
