# 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 99 of 718 · 35,885 cases

## Cases, newest first

- [NTSB WPR11LA038](https://openairdocs.org/ntsb/WPR11LA038.md): Cessna T210N · Baggs, WY · Accident · No injuries · Limited investigation · Final report · Nov 6, 2010 · N6179Y · Substantial damage
  > The failure of a connecting rod cap retaining bolt during cruise flight, which resulted in a loss of engine power.
- [NTSB ERA11WA086](https://openairdocs.org/ntsb/ERA11WA086.md): Eurocopter AS 350 B2 · Taltal, Chile · Accident · 1 fatal · Foreign investigation · Nov 6, 2010 · CC-AAN · Destroyed
  > On November 6, 2010, at 2330 universal coordinated time, a Eurocopter, AS 350 B2 helicopter, Chilean registration CC-AAN, collided with terrain while in low level cruise flight near Taltal, Chile. The flight was operated by Servicios y Transporte Aereos…
- [NTSB CEN11LA061](https://openairdocs.org/ntsb/CEN11LA061.md): Siai-Marchetti S.205/22R · Fruitvale, TX · Accident · Serious injuries · Limited investigation · Final report · Nov 5, 2010 · N971WA · Substantial damage
  > A total loss of engine power due to fuel exhaustion as a result of the pilot's inadequate fuel planning.
- [NTSB CEN11LA050](https://openairdocs.org/ntsb/CEN11LA050.md): Mcfarland Bill Challenger II · Praire Du Sac, WI · Accident · 1 fatal · Limited investigation · Final report · Nov 1, 2010 · N448WM · Substantial damage
  > The separation of the fuselage-mounted wing strut attachment fitting for an undetermined reason, which resulted in the separation of the left wing of the airplane.
- [NTSB ERA11FA038](https://openairdocs.org/ntsb/ERA11FA038.md): Cessna 210A · Aiken, SC · Accident · 1 fatal · Field investigation · Final report · Oct 28, 2010 · N6655X · Substantial damage
  > The pilot's inadequate weather planning and improper decision to continue a visual flight rules flight into instrument meteorological conditions, which resulted in a loss of control due to spatial disorientation. Contributing to the accident was the pilot’s…
- [NTSB ERA11CA047](https://openairdocs.org/ntsb/ERA11CA047.md): Cessna 177RG · Bedford, KY · Accident · No injuries · Data collection · Final report · Oct 28, 2010 · N33224 · Substantial damage
  > The mechanic's failure to properly secure a fuel line when it was reinstalled during an engine inspection.
- [NTSB ERA11LA037](https://openairdocs.org/ntsb/ERA11LA037.md): Piper PA-31-350 · Aguadilla, PR · Accident · No injuries · Limited investigation · Final report · Oct 27, 2010 · N350RL · Substantial damage
  > The pilot's improper decision to ditch the airplane after a reported partial loss of engine power and overheat on one engine for undetermined reasons.
- [NTSB DCA11FA004](https://openairdocs.org/ntsb/DCA11FA004.md): Boeing 757-223 · Miami, FL · Accident · No injuries · Field investigation · Final report · Oct 27, 2010 · N626AA · Substantial damage
  > Fatigue failure of the fuselage crown skin due to incorrect manufacturing of the crown skin panel that resulted in a skin thickness less than the manufacturer-specified thickness.
- [NTSB ERA11FA036](https://openairdocs.org/ntsb/ERA11FA036.md): Beech B36TC · Rienzi, MS · Accident · 2 fatal · Field investigation · Final report · Oct 26, 2010 · N8045Y · Substantial damage
  > The pilot's continued flight into known adverse weather conditions. Contributing to the accident was the air traffic controller's failure to provide precipitation information to the pilot as required.
- [NTSB WPR11FA032](https://openairdocs.org/ntsb/WPR11FA032.md): Mooney M20J · Lander, WY · Accident · 4 fatal · Field investigation · Final report · Oct 25, 2010 · N201HF · Substantial damage
  > The pilot's decision to depart into known adverse weather conditions over mountainous terrain, which required operation near the limits of the airplane's performance capability and which resulted in a loss of airplane control and subsequent ground impact.…
- [NTSB CEN11LA034](https://openairdocs.org/ntsb/CEN11LA034.md): Cessna T210N · Presidio, TX · Accident · No injuries · Limited investigation · Final report · Oct 25, 2010 · N200WT · Substantial damage
  > A loss of engine power due to fuel exhaustion for undetermined reasons.
- [NTSB WPR11LA025](https://openairdocs.org/ntsb/WPR11LA025.md): Piper PA-28-236 · Dorrington, CA · Accident · Minor injuries · Limited investigation · Final report · Oct 23, 2010 · N228KK · Substantial damage
  > The pilot’s failure to use carburetor heat while cruising in carburetor icing conditions, which resulted in a loss of engine power.
- [NTSB DCA11WA114](https://openairdocs.org/ntsb/DCA11WA114.md): Piper PA32 - 301 · Vipingo Ridge, Kenya · Accident · 1 fatal · Foreign investigation · Oct 23, 2010 · 5Y-NAM · Substantial damage
  > On October 23, 2010, about 0653 UTC, 5Y-NAM, a Piper PA-32R-301, a personal flight, had an inflight breakup during cruise flight and crashed in an open field at Vipingo Ridge, Kenya. The pilot, the sole occupant, was fatally injured. The aircraft was…
- [NTSB CEN11FA040](https://openairdocs.org/ntsb/CEN11FA040.md): Beech 95-B55 (T42A) · Clarion, IA · Accident · 1 fatal · Field investigation · Final report · Oct 21, 2010 · N784CB · Destroyed
  > The pilot's failure to maintain control of the airplane. Contributing to the accident was the loss of left engine power for undetermined reasons.
- [NTSB CEN11CA038](https://openairdocs.org/ntsb/CEN11CA038.md): Cessna 182L · Mancelona, MI · Accident · No injuries · Data collection · Final report · Oct 19, 2010 · N808HC · Substantial damage
  > A loss of engine power in flight due to the failure of the engine's No. 5 piston.
- [NTSB CEN11TA027](https://openairdocs.org/ntsb/CEN11TA027.md): Beech A100 · Palestine, TX · Accident · No injuries · Final report · Oct 18, 2010 · N1TR · Substantial damage
  > An in-flight collision with a flock of birds while the airplane was descending through a cloud layer.
- [NTSB ERA11LA023](https://openairdocs.org/ntsb/ERA11LA023.md): Bobo Christopher J Loehle 5151 · Southern Pines, NC · Accident · Serious injuries · Limited investigation · Final report · Oct 17, 2010 · N838B · Substantial damage
  > The reported fluttering of the wings in flight and the pilot's subsequent in-flight loss of control for undetermined reasons.
- [NTSB WPR11LA017](https://openairdocs.org/ntsb/WPR11LA017.md): Lindstrand Balloons 90A · Cottonwood, AZ · Accident · Serious injuries · Limited investigation · Final report · Oct 16, 2010 · N807PW · Substantial damage
  > The paraglider pilot's failure to see and avoid the hot air balloon, which resulted in a midair collision.
- [NTSB CEN11WA070](https://openairdocs.org/ntsb/CEN11WA070.md): Bell 212 · Minatitlan Veracruz, Mexico · Accident · 8 fatal · Foreign investigation · Oct 15, 2010 · XA-IUR · Substantial damage
  > The government of Mexico has notified the NTSB of an accident involving a BELL 212 helicopter that occurred on October 15, 2010. The NTSB has appointed a U.S. Accredited Representative to assist the government of Mexico's investigation under the provisions of…
- [NTSB CEN11GA020](https://openairdocs.org/ntsb/CEN11GA020.md): Bell 206B · Clarkson Valley, MO · Accident · 1 fatal · Final report · Oct 15, 2010 · N96MP · Substantial damage
  > The total loss of engine power due to fuel exhaustion, which resulted from the pilot's inadequate preflight planning and decision-making, and his improper control inputs following the loss of engine power, which resulted in mast bumping and separation of the…
- [NTSB ERA11LA015](https://openairdocs.org/ntsb/ERA11LA015.md): Cessna 172SP · Boynton Beach, FL · Accident · No injuries · Limited investigation · Final report · Oct 10, 2010 · N423FT · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB WPR11LA004](https://openairdocs.org/ntsb/WPR11LA004.md): Beech A35 · Blue Diamond, NV · Accident · 1 fatal · Limited investigation · Final report · Oct 8, 2010 · N8402A · Substantial damage
  > The pilot’s improper fuel management, which resulted in a total loss of engine power due to fuel starvation.
- [NTSB ERA11CA013](https://openairdocs.org/ntsb/ERA11CA013.md): Piper PA28 · Louisville, KY · Accident · Minor injuries · Data collection · Final report · Oct 8, 2010 · N57302 · Substantial damage
  > The pilot's inadequate preflight fuel planning, which resulted in fuel exhaustion and loss of engine power.
- [NTSB ERA11CA012](https://openairdocs.org/ntsb/ERA11CA012.md): Schweizer 269C-1 · Titusville, FL · Accident · No injuries · Data collection · Final report · Oct 6, 2010 · N2074B · Substantial damage
  > An inadvertent in-flight collision with a bird.
- [NTSB CEN11LA005](https://openairdocs.org/ntsb/CEN11LA005.md): Maule MXT-7-180A · Magnolia, AR · Accident · No injuries · Limited investigation · Final report · Oct 2, 2010 · N152HS · Substantial damage
  > The mechanic's failure to properly install an oil drain line after he replaced a cylinder, which caused the engine to seize in flight due to a lack of lubrication.
- [NTSB ERA10LA511](https://openairdocs.org/ntsb/ERA10LA511.md): Ballonbau Worner NL-1000/STU · Adriatic Sea, A1 · Accident · 2 fatal · Limited investigation · Final report · Sep 29, 2010 · N801NM · Substantial damage
  > The crew's intentional flight into known adverse weather conditions, which resulted in destruction of the balloon envelope by lightning strike and the subsequent uncontrolled descent to the sea.
- [NTSB WPR10LA477](https://openairdocs.org/ntsb/WPR10LA477.md): Eccker Hurricane Hauler · Jamul, CA · Accident · Minor injuries · Limited investigation · Final report · Sep 28, 2010 · N7519W · Substantial damage
  > The loss of engine power during cruise flight due to engine seizure as a result of lack of lubrication from excessive carbon buildup on the piston rings.
- [NTSB ANC10CA099](https://openairdocs.org/ntsb/ANC10CA099.md): Piper PA-28-140 · Kenai, AK · Accident · Minor injuries · Data collection · Final report · Sep 27, 2010 · N5748U · Substantial damage
  > The student pilot's improper fuel planning, which resulted in fuel exhaustion and a total loss of engine power during cruise flight.
- [NTSB ERA10FA503](https://openairdocs.org/ntsb/ERA10FA503.md): Cessna 150F · Sweetwater, TN · Accident · 1 fatal · Field investigation · Final report · Sep 26, 2010 · N7915F · Substantial damage
  > The pilot's inadequate preflight weather planning and improper decision to continue a visual flight rules flight into instrument meteorological conditions, which resulted in spatial disorientation and a loss of control.
- [NTSB ERA10FA502](https://openairdocs.org/ntsb/ERA10FA502.md): Cessna 172 · Chatsworth, GA · Accident · 2 fatal · Field investigation · Final report · Sep 25, 2010 · N84249 · Substantial damage
  > The pilot's inadequate flight planning and in-flight fuel management resulting in a total loss of engine power due to fuel exhaustion. Contributing to the accident was the operator's failure to ensure aircraft records pertaining to engine modifications and…
- [NTSB CEN10LA558](https://openairdocs.org/ntsb/CEN10LA558.md): Worthington Rotorway · Pattison, TX · Accident · 1 fatal · Limited investigation · Final report · Sep 25, 2010 · N520RW · Substantial damage
  > The pilot's failure to maintain main rotor rpm, which resulted in an uncontrolled descent and collision with terrain.
- [NTSB ERA10CA490](https://openairdocs.org/ntsb/ERA10CA490.md): Piper PA32R · Chamblee, GA · Accident · No injuries · Data collection · Final report · Sep 20, 2010 · N9263R · Substantial damage
  > A loss of engine power due to fuel starvation as a result of the pilot's improper placement of the fuel selector.
- [NTSB CEN10CA550](https://openairdocs.org/ntsb/CEN10CA550.md): Piper PA-28-140 · Carthage, TX · Accident · Minor injuries · Data collection · Final report · Sep 20, 2010 · N333NA · Substantial damage
  > A total loss of engine power during cruise flight due to fuel exhaustion as a result of the pilot’s improper fuel planning.
- [NTSB ERA10LA487](https://openairdocs.org/ntsb/ERA10LA487.md): Navion Navion G · Dublin, GA · Accident · Minor injuries · Limited investigation · Final report · Sep 19, 2010 · N2448T · Substantial damage
  > The pilot's failure to properly secure the oil drain plug after changing the engine oil, which resulted in oil starvation and an engine failure during cruise flight.
- [NTSB ERA10LA494](https://openairdocs.org/ntsb/ERA10LA494.md): Cessna 172D · Palm Beach, FL · Accident · No injuries · Limited investigation · Final report · Sep 18, 2010 · N2483Y · Substantial damage
  > The pilot's failure to use carburetor heat which led to a loss of engine power due to carburetor icing.
- [NTSB ERA10LA485](https://openairdocs.org/ntsb/ERA10LA485.md): Beech 58 · Rainelle, WV · Accident · Minor injuries · Limited investigation · Final report · Sep 18, 2010 · N86BR · Substantial damage
  > The improper rigging of the fuel selector by maintenance personnel, which resulted in a total loss of engine power.
- [NTSB ERA10WA509](https://openairdocs.org/ntsb/ERA10WA509.md): Robinson R44 · Lagoa do Triunfo, Para, Brazil · Accident · 4 fatal · Foreign investigation · Sep 15, 2010 · PR-DAN · Substantial damage
  > On September 15, 2010, about 2150 universal coordinated time, a Robinson R-44 II helicopter, Brazilian registration PR-DAN, was substantially damaged when it impacted the terrain in Lagoa do Triunfo, Para, Brazil. The pilot and three passengers were fatally…
- [NTSB ERA10CA476](https://openairdocs.org/ntsb/ERA10CA476.md): Goodman Robert Bruce RV-4 · Gainesville, GA · Accident · No injuries · Data collection · Final report · Sep 12, 2010 · N311U · Substantial damage
  > The pilot's failure to see and avoid marked power lines during low-level flight over a lake.
- [NTSB WPR10LA464](https://openairdocs.org/ntsb/WPR10LA464.md): Hughes OH-6A · Majuro (Pacific Ocean) · Accident · 1 fatal · Limited investigation · Final report · Sep 11, 2010 · N74LB · Substantial damage
  > A loss of helicopter control for undetermined reasons.
- [NTSB ANC10LA084](https://openairdocs.org/ntsb/ANC10LA084.md): Piper PA-20 · South Naknek, AK · Accident · No injuries · Limited investigation · Final report · Sep 11, 2010 · N7414K · Substantial damage
  > The loss of engine power during cruise flight for an undetermined reason, resulting in an emergency landing and collision with terrain.
- [NTSB ERA10WA507](https://openairdocs.org/ntsb/ERA10WA507.md): Robinson R44 · Itanhaem, Brazil · Accident · 2 fatal · Foreign investigation · Sep 10, 2010 · PT-YON · Substantial damage
  > On September 10, 2010, about 1445 Universal Coordinated Time (UTC), a Robinson Helicopters R44, Brazilian registration PT-YON, operated by AM Transportes Ltda ME, crashed into mountainous terrain near Itanhaem, State of Sao Paulo, Brazil. The flight was en…
- [NTSB ERA10CA472](https://openairdocs.org/ntsb/ERA10CA472.md): Cessna 180 · Huron, NY · Accident · Minor injuries · Data collection · Final report · Sep 9, 2010 · N180LE · Substantial damage
  > The pilot's inadequate preflight planning and preparation, which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB CEN10LA531](https://openairdocs.org/ntsb/CEN10LA531.md): Piper PA-28-161 · Buchanan, MI · Accident · No injuries · Limited investigation · Final report · Sep 9, 2010 · N3560B · Substantial damage
  > A failure of the engine's No. 3 and No. 4 cylinder valve lifters for undetermined reasons, which resulted in a total loss of engine power.
- [NTSB CEN10FA520](https://openairdocs.org/ntsb/CEN10FA520.md): Cessna T210 · Mountain Home, AR · Accident · 2 fatal · Field investigation · Final report · Sep 7, 2010 · N2081U · Substantial damage
  > The pilot’s decision to continue flight into a known area of heavy rain and his subsequent failure to maintain aircraft control.
- [NTSB CEN10CA525](https://openairdocs.org/ntsb/CEN10CA525.md): Weber Acro Sport II · Plum City, WI · Accident · Minor injuries · Data collection · Final report · Sep 5, 2010 · N819WW · Substantial damage
  > The pilot’s improper fuel planning, which resulted in a loss of engine power due to fuel exhaustion.
- [NTSB WPR10LA446](https://openairdocs.org/ntsb/WPR10LA446.md): Bell 47G · Salinas, CA · Accident · Serious injuries · Limited investigation · Final report · Sep 3, 2010 · N4427F · Substantial damage
  > The pilot's visual flight rules flight into instrument meteorological conditions, which resulted in his spatial disorientation and loss of helicopter control.
- [NTSB DCA10RA092](https://openairdocs.org/ntsb/DCA10RA092.md): Boeing 747-44AF · Dubai, United Arab Emirates · Accident · 2 fatal · Class 5 · Foreign · Sep 3, 2010 · N571UP · Destroyed
- [NTSB WPR10FA448](https://openairdocs.org/ntsb/WPR10FA448.md): Beech 65 · Redwood City, CA · Accident · 3 fatal · Field investigation · Final report · Sep 2, 2010 · N832B · Substantial damage
  > A loss of power in the right engine for undetermined reasons and the pilot’s subsequent failure to maintain adequate airspeed, which resulted in a loss of control. Contributing to the loss of control was the regulatory certification basis of the airplane that…
- [NTSB WPR10FA440](https://openairdocs.org/ntsb/WPR10FA440.md): Hiller UH 12E · Kamiah, ID · Accident · 3 fatal · Field investigation · Final report · Aug 31, 2010 · N67264 · Substantial damage
  > In-flight impact of a passenger's metal clipboard with the helicopter’s tail rotor, which resulted in destruction of the tail rotor and subsequent loss of control of the helicopter. The original location of the clipboard and how it became free could not be…
- [NTSB ERA10IA459](https://openairdocs.org/ntsb/ERA10IA459.md): Bell Helicopter Textron Canada 407 · Marion, VA · Incident · No injuries · Incident investigation · Final report · Aug 31, 2010 · N516MT · No damage
  > The cardiac impairment of the pilot during a positioning flight.

Next page: https://openairdocs.org/ntsb-phases/400/cases.md?page=100

## 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=99

---
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.
