# NTSB investigations: 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 80 of 281 · 14,038 cases

## Cases, newest first

- [NTSB NYC05LA092](https://openairdocs.org/ntsb/NYC05LA092.md): Piper PA-44-180 · Wadsworth, OH · Accident · No injuries · Limited investigation · Final report · Jun 7, 2005 · N2148F · Substantial damage
  > The flight instructor's failure to verify that the engine controls were completely retarded during an aborted takeoff, which resulted in a runway overrun.
- [NTSB DEN05LA086](https://openairdocs.org/ntsb/DEN05LA086.md): Beech S35 · Broomfield, CO · Accident · Minor injuries · Limited investigation · Final report · Jun 7, 2005 · N9TT · Substantial damage
  > the pilot's failure to maintain adequate airspeed which resulted in a stall, and his failure to abort the takeoff. The loss of power for undetermined reasons is a contributing factor.
- [NTSB IAD05LA075](https://openairdocs.org/ntsb/IAD05LA075.md): Hughes TH-55 · Paintsville, KY · Accident · Minor injuries · Limited investigation · Final report · Jun 6, 2005 · N2KX · Destroyed
  > the pilot's inadvertent encounter with ground resonance which resulted in destruction of the helicopter.
- [NTSB IAD05LA072](https://openairdocs.org/ntsb/IAD05LA072.md): Weiss Vans RV-8 · Canandaigua, NY · Accident · Serious injuries · Limited investigation · Final report · Jun 5, 2005 · N61TW · Substantial damage
  > Partial blocking of the flight controls by unsecured items in the cockpit, which resulted in a loss of control during takeoff.
- [NTSB DFW05CA148](https://openairdocs.org/ntsb/DFW05CA148.md): Aermacchi Bosbok AM 3-C · Marfa, TX · Accident · No injuries · Data collection · Final report · May 31, 2005 · N8ME · Substantial damage
  > The pilot's failure to attain adequate airspeed, and his premature liftoff resulting in a loss of directional control.
- [NTSB ATL05CA089](https://openairdocs.org/ntsb/ATL05CA089.md): Hughes TH-55 · Cornelia, GA · Accident · Minor injuries · Data collection · Final report · May 26, 2005 · N681BC · Substantial damage
  > The pilot's failure to maintain adequate object clearance, which resulted in the in-flight collision with terrain, and the subsequent rollover.
- [NTSB CHI05CA134](https://openairdocs.org/ntsb/CHI05CA134.md): Temco GC-1B · Morris, IL · Accident · No injuries · Data collection · Final report · May 25, 2005 · N3875K · Substantial damage
  > Malfunction of the pilot seat positioning mechanism for undetermined reasons resulting in a loss of aircraft control. The runway light struck when the airplane departed the pavement was a contributing factor.
- [NTSB DFW05CA131](https://openairdocs.org/ntsb/DFW05CA131.md): Air Tractor AT-402A · Cherry Valley, AR · Accident · No injuries · Data collection · Final report · May 24, 2005 · N198AS · Substantial damage
  > The pilot's failure to calculate take off-distance performance data, which resulted in insufficient runway length for take off. Factors were the tailwind and high gross weight.
- [NTSB DEN05LA115](https://openairdocs.org/ntsb/DEN05LA115.md): Hepperlen RV-8 · Durango, CO · Accident · No injuries · Limited investigation · Final report · May 21, 2005 · N25MH · Substantial damage
  > the pilot's failure to maintain directional control during the ground roll.
- [NTSB DEN05CA078](https://openairdocs.org/ntsb/DEN05CA078.md): Bell 47G-5A · Brush, CO · Accident · No injuries · Data collection · Final report · May 19, 2005 · N59403 · Substantial damage
  > The pilot's failure to maintain clearance from the truck trailer during takeoff. A factor contributing to this accident was the truck trailer.
- [NTSB LAX05CA177](https://openairdocs.org/ntsb/LAX05CA177.md): Piper PA-34-220T · Scottsdale, AZ · Accident · No injuries · Data collection · Final report · May 17, 2005 · N4162K · Substantial damage
  > the student pilot's inadvertent retraction of the landing gear, and the flight instructor's inadequate supervision of the flight.
- [NTSB ATL05CA080](https://openairdocs.org/ntsb/ATL05CA080.md): Piper J4E · Akron, AL · Accident · No injuries · Data collection · Final report · May 16, 2005 · N35920 · Substantial damage
  > The pilot's premature liftoff and his failure to attain adequate airspeed which resulted in a stall/mush. Also causal was the pilot's delay in aborting the takeoff.
- [NTSB MIA05LA104](https://openairdocs.org/ntsb/MIA05LA104.md): British 167 StrikemasterMK83 · Boca Raton, FL · Accident · Minor injuries · Limited investigation · Final report · May 15, 2005 · N399WH · Substantial damage
  > The delay by the pilot-in-command to abort the takeoff after recognizing excessive elevator control forces for undetermined reasons during the landing roll, resulting in the on-ground collision with a fence.
- [NTSB DFW05CA120](https://openairdocs.org/ntsb/DFW05CA120.md): Mayfield Sparrowhawk · Hondo, TX · Accident · No injuries · Data collection · Final report · May 14, 2005 · N8023Y · Substantial damage
  > The pilot's failure to maintain control of the gyrocraft during takeoff. A contributing factor was the failure of the pre-rotator cable.
- [NTSB NYC05CA080](https://openairdocs.org/ntsb/NYC05CA080.md): Palen Sopwith Camel · Rhinebeck, NY · Accident · No injuries · Data collection · Final report · May 9, 2005 · N7157Q · Substantial damage
  > The pilot's failure to maintain aircraft control during the takeoff roll. A factor in the accident was the uneven runway, and the pilot's lack of total experience in make and model.
- [NTSB DFW05LA117](https://openairdocs.org/ntsb/DFW05LA117.md): Rockwell International NA-265-80 · Brownwood, TX · Accident · No injuries · Limited investigation · Final report · May 9, 2005 · N972NR · Substantial damage
  > The loss of engine power due to damage to the first stage compressor by a foreign object (bird).
- [NTSB LAX05CA157](https://openairdocs.org/ntsb/LAX05CA157.md): Cessna 182R · Camarillo, CA · Accident · No injuries · Data collection · Final report · May 6, 2005 · N6205N · Substantial damage
  > the pilot's failure to maintain directional control during a touch-and-go landing. A contributing factor was the wet dirt at the runway edge.
- [NTSB SEA05CA093](https://openairdocs.org/ntsb/SEA05CA093.md): Johnson Johnson Chris-Tena · Lebanon, OR · Accident · No injuries · Data collection · Final report · May 3, 2005 · N72JJ · Substantial damage
  > The loss of engine power on takeoff for an undetermined reason. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB MIA05CA099](https://openairdocs.org/ntsb/MIA05CA099.md): Piper PA32-301 · Brooksville, FL · Accident · No injuries · Data collection · Final report · Apr 28, 2005 · N146SW · Substantial damage
  > The pilot-in-command failure to maintain directional control during takeoff after landing, which resulted in the airplane exiting the runway.
- [NTSB LAX05CA148](https://openairdocs.org/ntsb/LAX05CA148.md): Cessna 172N · Palo Alto, CA · Accident · No injuries · Data collection · Final report · Apr 27, 2005 · N737WF · Substantial damage
  > The student's failure to maintain directional control and the CFI's failure to adequately supervise the flight.
- [NTSB CHI05CA105](https://openairdocs.org/ntsb/CHI05CA105.md): Piper PA-28-161 · South Bend, IN · Accident · No injuries · Data collection · Final report · Apr 25, 2005 · N2833F · Substantial damage
  > The student pilot failed to compensate for the crosswind condition and failed to maintain directional control. Factors included the crosswind and the windsock.
- [NTSB DFW05LA106](https://openairdocs.org/ntsb/DFW05LA106.md): Piper PA-18-105 · Perry, OK · Accident · No injuries · Limited investigation · Final report · Apr 21, 2005 · N228T · Substantial damage
  > A loss of engine power for undetermined reasons. A contributing factor was collision with a piece of farm equipment.
- [NTSB MIA05LA095](https://openairdocs.org/ntsb/MIA05LA095.md): Bell 206B · Coral Springs, FL · Accident · Serious injuries · Limited investigation · Final report · Apr 20, 2005 · N2285B · Substantial damage
  > The pilot encountered dynamic rollover while lifting off from an area in the everglades with 6-7 foot tall sawgrass nearby.
- [NTSB IAD05LA057](https://openairdocs.org/ntsb/IAD05LA057.md): Piper PA-28-151 · Hampton, NH · Accident · Serious injuries · Limited investigation · Final report · Apr 20, 2005 · N8251F · Destroyed
  > The pilot's improper decision to depart with a tailwind, and his failure to perform preflight performance calculations.
- [NTSB MIA05CA092](https://openairdocs.org/ntsb/MIA05CA092.md): Cessna 337 B · Ocala, FL · Accident · No injuries · Data collection · Final report · Apr 13, 2005 · N463DA · Substantial damage
  > The pilot's improper landing flare during an aborted takeoff, which resulted in a hard landing and damage to the airplane.
- [NTSB LAX05CA137](https://openairdocs.org/ntsb/LAX05CA137.md): Cessna 172S · Gallup, NM · Accident · No injuries · Data collection · Final report · Apr 12, 2005 · N520ER · Substantial damage
  > the pilot's premature liftoff and inadequate remedial action, which resulted in the airplane inadvertently recontacting the runway.
- [NTSB CHI05CA096](https://openairdocs.org/ntsb/CHI05CA096.md): Champion 7ECA · Mexico, MO · Accident · No injuries · Data collection · Final report · Apr 9, 2005 · N11177 · Substantial damage
  > The pilot inadvertently using the wrong runway for takeoff, which resulted in a tailwind condition. Factors to the accident were the tailwind, the aborted takeoff, the wet grass runway, and the road embankment.
- [NTSB NYC05LA067](https://openairdocs.org/ntsb/NYC05LA067.md): Cessna 182S · West Mifflin, PA · Accident · No injuries · Limited investigation · Final report · Apr 6, 2005 · N9521F · Substantial damage
  > The pilot's failure to maintain aircraft control during the takeoff. A factor in this accident was the gusty wind conditions.
- [NTSB MIA05LA086](https://openairdocs.org/ntsb/MIA05LA086.md): Frank D. Amador Searey · Green Cove Spr, FL · Accident · Serious injuries · Limited investigation · Final report · Apr 4, 2005 · N43427 · Substantial damage
  > The airplane builder's improper installation of the left rudder control cable, which resulted in the cable becoming jammed, a loss of directional control during takeoff, and the airplane departing the runway and impacting a tree.
- [NTSB ANC05LA053](https://openairdocs.org/ntsb/ANC05LA053.md): Cessna 140 · Denali Park, AK · Accident · No injuries · Limited investigation · Final report · Mar 30, 2005 · N2204N · Substantial damage
  > The loss of engine power during takeoff and cruise flight for an undetermined reason, which resulted in an emergency descent/landing, and collision with trees.
- [NTSB LAX05LA125](https://openairdocs.org/ntsb/LAX05LA125.md): Cessna 182 · Sacramento, CA · Accident · No injuries · Limited investigation · Final report · Mar 27, 2005 · N5748B · Substantial damage
  > a fatigue failure of the right side steering link rod for the nose landing gear steering system.
- [NTSB CHI05FA080](https://openairdocs.org/ntsb/CHI05FA080.md): Piper PA-28-235 · West Union, IA · Accident · 3 fatal · Field investigation · Final report · Mar 27, 2005 · N8966W · Destroyed
  > The pilot's failure to abort the takeoff, his failure to maintain adequate airspeed during the takeoff, and the pull-up to avoid obstacles which resulted in an inadvertent stall. Factors associated with the accident were the pilot's failure to maintain…
- [NTSB LAX05LA118](https://openairdocs.org/ntsb/LAX05LA118.md): Cessna 172S · Thermal, CA · Accident · No injuries · Limited investigation · Final report · Mar 22, 2005 · N562AB · Substantial damage
  > the student pilot's inadequate compensation for the crosswind conditions and failure to maintain directional control.
- [NTSB DFW05CA098](https://openairdocs.org/ntsb/DFW05CA098.md): Air Tractor AT-602 · Crosbyton, TX · Accident · No injuries · Data collection · Final report · Mar 18, 2005 · N9017Z · Substantial damage
  > The pilot's failure to mantain directional control during take-off. A contributing factor was the dust devil.
- [NTSB ATL05FA061](https://openairdocs.org/ntsb/ATL05FA061.md): Canadair CL-600 · Tupelo, MS · Accident · No injuries · Field investigation · Final report · Mar 9, 2005 · N660RM · Substantial damage
  > The inadequate design of the microphone jack assembly Supplemental Type Certificate by production design personnel resulting in the aft restriction of the control column at rotation airspeed, aborted takeoff, and collapse of the nose gear on the overrun.
- [NTSB LAX05LA109](https://openairdocs.org/ntsb/LAX05LA109.md): Cirrus Design SR22 · Half Moon Bay, CA · Accident · No injuries · Limited investigation · Final report · Mar 8, 2005 · N517SW · Substantial damage
  > The pilot's excessive braking during taxi that resulted in the right brake overheating and a fire. A factor in the accident was the pilot's continued operation with known deficiencies.
- [NTSB LAX05FA108](https://openairdocs.org/ntsb/LAX05FA108.md): Cessna 210L · Oxnard, CA · Accident · No injuries · Field investigation · Final report · Mar 8, 2005 · N2044S · Substantial damage
  > A pinhole leak in the fuel pressure line during the takeoff roll that was ignited by an electrical arc associated with wires adjacent to the fuel line. A contributing factor in the accident was the failure of maintenance personnel to comply with a…
- [NTSB MIA05LA070](https://openairdocs.org/ntsb/MIA05LA070.md): Piper PA-32-301T · Destin, FL · Accident · No injuries · Limited investigation · Final report · Mar 5, 2005 · N588ET · Substantial damage
  > The pilot's inadequate compensation for wind during a crosswind takeoff resulting in a loss of directional control and subsequent collision with terrain.
- [NTSB NYC05FA054](https://openairdocs.org/ntsb/NYC05FA054.md): Boeing 777-200 · Newark, NJ · Accident · No injuries · Field investigation · Final report · Mar 2, 2005 · N78008 · Substantial damage
  > The captain's failure to follow company procedures, which resulted in a tail strike. Contributing were the gusty crosswind and tailwind conditions, and the manufacturer's failure to provide adequate performance planning data to account for gusty crosswinds…
- [NTSB ANC05CA040](https://openairdocs.org/ntsb/ANC05CA040.md): Air Tractor AT-602 · Panama City, FL · Accident · No injuries · Data collection · Final report · Mar 2, 2005 · N5006V · Substantial damage
  > The pilot's failure to remove frost from the airplane which resulted in an inadvertent stall/mush during the takeoff/initial climb, and an in-flight collision with trees. Contributing to the accident were the rough and uneven airstrip, and degraded aircraft…
- [NTSB DFW05LA074](https://openairdocs.org/ntsb/DFW05LA074.md): Bell 206L-3 · Cameron, LA · Accident · No injuries · Limited investigation · Final report · Feb 18, 2005 · N512RA · Substantial damage
  > Fuel starvation due to a blocked and collapsed fuel nozzle screen, resulting from a contaminated fuel source/facility. Factors were the inadequate maintenance/inspection of fuel sources, and the lack of suitable terrain (high sea state) for the forced landing…
- [NTSB ANC05LA036](https://openairdocs.org/ntsb/ANC05LA036.md): Piper PA-18 · Talkeetna, AK · Accident · No injuries · Limited investigation · Final report · Feb 16, 2005 · N9071D · Substantial damage
  > The pilot's selection of unsuitable terrain for takeoff, which resulted in ski assembly damage during the takeoff run from a frozen, snow-covered lake, and subsequent nose over during an emergency landing. Factors contributing to the accident were an overload…
- [NTSB LAX05CA095](https://openairdocs.org/ntsb/LAX05CA095.md): Robinson R44 · Lake Arrowhead, CA · Accident · Minor injuries · Data collection · Final report · Feb 14, 2005 · N44NG · Substantial damage
  > the certified flight instructor's failure to adequately compensate for wind conditions and his selection of terrain unsuitable for a safe takeoff which resulted in a dynamic rollover.
- [NTSB DCA05MA031](https://openairdocs.org/ntsb/DCA05MA031.md): Bombardier CL-600-1A11 · Teterboro, NJ · Accident · Serious injuries · Class 1 · Major · Final report · Feb 2, 2005 · N370V · Substantial damage
  > the pilots' failure to ensure the airplane was loaded within weight and balance limits and their attempt to takeoff with the center of gravity well forward of the forward takeoff limit, which prevented the airplane from rotating at the intended rotation…
- [NTSB NYC05CA047](https://openairdocs.org/ntsb/NYC05CA047.md): Bell 206B · Lancaster, PA · Accident · No injuries · Data collection · Final report · Feb 1, 2005 · N59MB · Substantial damage
  > The pilot's loss of lateral control while attempting to transition to a hover from the ground. A factor was the bright sunlight conditions.
- [NTSB MIA05CA064](https://openairdocs.org/ntsb/MIA05CA064.md): Grumman American AA-5A · Ocala, FL · Accident · No injuries · Data collection · Final report · Jan 31, 2005 · N9572U · Substantial damage
  > The pilot-rated passengers improper use of the rudder control and his failure to maintain directional control resulting in a loss of control on the ground.
- [NTSB ATL05LA047](https://openairdocs.org/ntsb/ATL05LA047.md): Beech C-23 · Roseboro, NC · Accident · No injuries · Limited investigation · Final report · Jan 17, 2005 · N9JY · Substantial damage
  > The overload fracture of the engine oil cooler for undetermined reasons.
- [NTSB CHI05CA051](https://openairdocs.org/ntsb/CHI05CA051.md): Cessna 414A · Harbor Springs, MI · Accident · No injuries · Data collection · Final report · Jan 9, 2005 · N194JA · Substantial damage
  > The pilot's inadequate preflight planning/preparation by his failure to remove the accumulated airframe ice which resulted in deteriorated aircraft takeoff performance. Airframe ice, the snow bank and the fence were contributing factors.
- [NTSB ATL05CA040](https://openairdocs.org/ntsb/ATL05CA040.md): Champion 7FC · Soperton, GA · Accident · No injuries · Data collection · Final report · Jan 6, 2005 · N8566E · Substantial damage
  > The pilot's failure to maintain directional control of the airplane during takeoff roll, which resulted in an on-ground collision with trees. A factor was the pilot's lack of experience in a tailwheel airplane.
- [NTSB NYC05LA034](https://openairdocs.org/ntsb/NYC05LA034.md): Cessna 172R · Smoketown, PA · Accident · Minor injuries · Limited investigation · Final report · Dec 30, 2004 · N9962F · Substantial damage
  > The pilot's failure to maintain directional control during takeoff, which resulted in a collision with a parked airplane.

Next page: https://openairdocs.org/ntsb-phases/300/cases.md?page=81

## 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 = 300)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/300/cases?page=80

---
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.
