# NTSB investigations: Unknown

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 7 of 40 · 1,978 cases

## Cases, newest first

- [NTSB GAA25WA023](https://openairdocs.org/ntsb/GAA25WA023.md): Cessna 172 · Fujairah, United Arab Emirates · Accident · 2 fatal · Class 4 · Foreign · Nov 11, 2024 · A6-HSS · Destroyed
- [NTSB ERA25LA044](https://openairdocs.org/ntsb/ERA25LA044.md): Schweizer 269C-1 · Boalsburg, PA · Accident · No injuries · Class 3 · Limited · Final report · Nov 10, 2024 · N504JN · Substantial damage
  > A loss of engine power for reasons that could not be determined.
- [NTSB GAA25WA062](https://openairdocs.org/ntsb/GAA25WA062.md): Short Bros SD3-60 · Roadtown, British Virgin Islands · Accident · Class 5 · Foreign · Nov 6, 2024 · N915GD
- [NTSB CEN25FA034](https://openairdocs.org/ntsb/CEN25FA034.md): Robinson Helicopter R44 II · Iowa, LA · Accident · 3 fatal · Class 3 · Field · Preliminary report · Nov 2, 2024 · N62CD · Destroyed
  > On November 1, 2024, about 2106 central daylight time, a Robinson R-44 II helicopter, N62CD, was destroyed when it was involved in an accident near Iowa, Louisiana. The pilot and two passengers were fatally injured. The helicopter was operated as a Title 14…
- [NTSB GAA25WA025](https://openairdocs.org/ntsb/GAA25WA025.md): Cessna 182P · The Oaks, Australia · Accident · 1 fatal · Class 5 · Foreign · Oct 26, 2024 · VH-APN · Destroyed
- [NTSB GAA25WA024](https://openairdocs.org/ntsb/GAA25WA024.md): Cessna 150L · Bacchus Marsh, Australia · Accident · 1 fatal · Class 5 · Foreign · Oct 22, 2024 · VH-EYU · Substantial damage
- [NTSB CEN25LA020](https://openairdocs.org/ntsb/CEN25LA020.md): Starship Enterprise · Addison, TX · Accident · No injuries · Class 4 · Limited · Final report · Oct 17, 2024 · N903SC · Substantial damage
  > Foreign object debris damage to the ventral stabilizer.
- [NTSB ANC25FA001](https://openairdocs.org/ntsb/ANC25FA001.md): Cessna 180 · Big Lake, AK · Accident · 1 fatal · Class 3 · Field · Preliminary report · Oct 5, 2024 · N4631U · Substantial damage
  > On October 4, 2024, about 1730 Alaska daylight time, a float-equipped Cessna 180 airplane, N4631U, sustained substantial damage when it was involved in an accident near Big Lake, Alaska. The pilot was fatally injured, and one passenger sustained serious…
- [NTSB GAA24WA309](https://openairdocs.org/ntsb/GAA24WA309.md): Marquart MA5 · Sussex, United Kingdom · Incident · No injuries · Class 5 · Foreign · Sep 15, 2024 · G-BHBT · Minor damage
- [NTSB ANC24FA091](https://openairdocs.org/ntsb/ANC24FA091.md): Champion 7GCBC · Ninilchik, AK · Accident · 2 fatal · Class 3 · Field · Preliminary report · Sep 13, 2024 · N8CK · Substantial damage
  > On September 13, 2024, about 0803 Alaska daylight time (AKDT), a Champion (Citabria) 7GCBC, N8CK, was substantially damaged when it was involved in an accident near Ninilchik, Alaska. The pilot and passenger were fatally injured. The airplane was operated as…
- [NTSB GAA24WA280](https://openairdocs.org/ntsb/GAA24WA280.md): Great Lakes 2T-1A-2 · Gütersloh, Germany · Accident · 1 fatal · Class 5 · Foreign · Sep 7, 2024 · N122TL · Destroyed
- [NTSB WPR24FA289](https://openairdocs.org/ntsb/WPR24FA289.md): Cessna 421C · Fairview, OR · Accident · 3 fatal · Class 3 · Field · Preliminary report · Aug 31, 2024 · N421GP · Substantial damage
  > On August 31, 2024, about 1030 Pacific daylight time, a Cessna 421C, N421GP was destroyed when it was involved in an accident near Fairview, Oregon. The two pilots and one person on the ground were fatally injured. The airplane was operated as a Title 14 Code…
- [NTSB CEN24LA336](https://openairdocs.org/ntsb/CEN24LA336.md): Cessna 182D · Coopersville, MI · Accident · Class 4 · Limited · Final report · Aug 31, 2024 · N9020X · Substantial damage
  > The loss of airplane control while landing.
- [NTSB ANC24FA085](https://openairdocs.org/ntsb/ANC24FA085.md): Piper PA-18-150 · McGrath, AK · Accident · 1 fatal · Class 3 · Field · Final report · Aug 31, 2024 · N7154Z · Substantial damage
  > The pilot's exceedance of the airplane’s critical angle of attack while maneuvering for landing, which resulted in an aerodynamic stall and loss of control.
- [NTSB GAA24WA299](https://openairdocs.org/ntsb/GAA24WA299.md): Leonardo AQ139 · Paul Village, India · Accident · Minor injuries · Class 3 · Foreign · Aug 24, 2024 · VT-GVI · Destroyed
- [NTSB GAA24WA300](https://openairdocs.org/ntsb/GAA24WA300.md): Cessna 208 · What Khao Din, Thailand · Accident · 9 fatal · Class 5 · Foreign · Aug 22, 2024 · HS-SKRc · Substantial damage
- [NTSB GAA24WA264](https://openairdocs.org/ntsb/GAA24WA264.md): Airbus A350 · Lac D’Elvert, Canada · Accident · Class 5 · Foreign · Aug 18, 2024 · C-GGLM
- [NTSB GAA24WA273](https://openairdocs.org/ntsb/GAA24WA273.md): Bell 206 · Escuintla, Guatemala · Accident · Class 5 · Foreign · Aug 12, 2024 · TG-LIS · Substantial damage
- [NTSB GAA24WA253](https://openairdocs.org/ntsb/GAA24WA253.md): Robinson R-44 · Cairns, Australia · Accident · 1 fatal · Class 5 · Foreign · Aug 12, 2024 · VH-ERH · Destroyed
- [NTSB GAA24WA251](https://openairdocs.org/ntsb/GAA24WA251.md): Piper PA31 · Cerro Castillo, Chile · Accident · 7 fatal · Class 5 · Foreign · Aug 9, 2024 · CC-CRN · Destroyed
- [NTSB GAA24WA247](https://openairdocs.org/ntsb/GAA24WA247.md): Airbus Helicopters AS350 · Nepal · Accident · 5 fatal · Class 5 · Foreign · Aug 7, 2024 · 9N-AJD · Destroyed
- [NTSB CEN24FA312](https://openairdocs.org/ntsb/CEN24FA312.md): Engineering & Research Ercoupe 415-C · Elkhart, IL · Accident · 1 fatal · Class 3 · Field · Final report · Aug 7, 2024 · N3093H · Destroyed
  > An off-airport landing in a soybean field for reasons that could not be determined. Contributing to the severity of the pilot’s injuries and airplane damage was a fire that occurred at an unknown time.
- [NTSB GAA24WA239](https://openairdocs.org/ntsb/GAA24WA239.md): Bell 206 · Escuintia, Guatemala · Accident · 2 fatal · Class 5 · Foreign · Jul 31, 2024 · TG-MIC · Destroyed
- [NTSB GAA24WA229](https://openairdocs.org/ntsb/GAA24WA229.md): Cessna 150 · Yorkshire, United Kingdom · Accident · 2 fatal · Class 5 · Foreign · Jul 28, 2024 · G-PPFS · Substantial damage
- [NTSB DCA24WA242](https://openairdocs.org/ntsb/DCA24WA242.md): Boeing 737 · Cairo, Egypt · Incident · No injuries · Class 5 · Foreign · Jul 17, 2024 · CN-RGF · No damage
- [NTSB GAA24WA313](https://openairdocs.org/ntsb/GAA24WA313.md): Extra 200 · Northamptonshire, United Kingdom · Accident · 1 fatal · Class 5 · Foreign · Jul 13, 2024 · G-EEEK · Destroyed
- [NTSB GAA24WA217](https://openairdocs.org/ntsb/GAA24WA217.md): Bell 212 · Fort McMurray, Canada · Accident · No injuries · Class 5 · Foreign · Jul 9, 2024 · C-FTLR · 2 aircraft · Minor damage
- [NTSB WPR24FA213](https://openairdocs.org/ntsb/WPR24FA213.md): Grumman Acft ENG Cor-Schweizer G-164A · Chamberino, NM · Accident · 1 fatal · Class 3 · Field · Final report · Jun 25, 2024 · N9709 · Destroyed
  > An aerodynamic stall and loss of control for reasons that could not be determined based on the available information.
- [NTSB DCA24WA233](https://openairdocs.org/ntsb/DCA24WA233.md): Boeing 737 · not reported, Thailand · Incident · No injuries · Class 5 · Foreign · Jun 22, 2024 · HS-KMB · No damage
- [NTSB ANC24FA052](https://openairdocs.org/ntsb/ANC24FA052.md): Piper PA-18-150 · Moose Pass, AK · Accident · 2 fatal · Class 3 · Field · Preliminary report · Jun 18, 2024 · N645DT · Substantial damage
  > On June 18, 2024, about 1400 Alaska daylight time, a float-equipped Piper PA-18-150 airplane, N645DT, was substantially damaged when it was involved in an accident near Moose Pass, Alaska. The instructor pilot and the pilot receiving instruction were fatally…
- [NTSB WPR24LA193](https://openairdocs.org/ntsb/WPR24LA193.md): Cessna A185F · Monument Hills, CA · Accident · No injuries · Class 3 · Limited · Final report · Jun 12, 2024 · N8WF · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB GAA24WA187](https://openairdocs.org/ntsb/GAA24WA187.md): Robinson R44 · Bilimbai, Russia · Accident · Serious injuries · Class 5 · Foreign · Jun 12, 2024 · RA-07358 · Substantial damage
- [NTSB GAA24WA185](https://openairdocs.org/ntsb/GAA24WA185.md): Cessna 206 · Haines Junction, Canada · Accident · 1 fatal · Class 4 · Foreign · Jun 10, 2024 · C-GRSA · Substantial damage
- [NTSB GAA24WA184](https://openairdocs.org/ntsb/GAA24WA184.md): Cessna 172 · Kagoshima, Japan · Accident · No injuries · Class 5 · Foreign · Jun 9, 2024 · JA061 · Substantial damage
- [NTSB GAA24WA183](https://openairdocs.org/ntsb/GAA24WA183.md): Robinson R44 · Aioi City, Japan · Accident · No injuries · Class 5 · Foreign · Jun 9, 2024 · JA400C · Substantial damage
- [NTSB ENG24WA039](https://openairdocs.org/ntsb/ENG24WA039.md): Tecnam P-Mentor · San Martin de Valdeiglesias, Spain · Accident · Class 5 · Foreign · May 31, 2024 · EC-OBS · Substantial damage
- [NTSB GAA24WA177](https://openairdocs.org/ntsb/GAA24WA177.md): Cessna 310 · Tegucigalpa, Honduras · Accident · Class 5 · Foreign · May 25, 2024 · HR-ABB · Destroyed
- [NTSB GAA24WA216](https://openairdocs.org/ntsb/GAA24WA216.md): Bell 505 · Minsk, Poland · Accident · Class 5 · Foreign · May 16, 2024 · SP-RMK · Substantial damage
- [NTSB GAA24WA171](https://openairdocs.org/ntsb/GAA24WA171.md): Cessna 182 · Macas, Ecuador · Accident · 2 fatal · Class 5 · Foreign · May 16, 2024 · HCCIN · Substantial damage
- [NTSB GAA24WA168](https://openairdocs.org/ntsb/GAA24WA168.md): Robinson R44 · Vilanova deL’Aguda, Lérida, Spain · Accident · Serious injuries · Class 5 · Foreign · May 13, 2024 · HB-ZII · Substantial damage
- [NTSB GAA24WA265](https://openairdocs.org/ntsb/GAA24WA265.md): Piper PA32 · Cookshire-Eaton, Canada · Accident · Serious injuries · Class 5 · Foreign · May 10, 2024 · C-GEEV · Substantial damage
- [NTSB CEN24FA148](https://openairdocs.org/ntsb/CEN24FA148.md): Davis DA-3 · Antlers, OK · Accident · 3 fatal · Class 3 · Field · Final report · Apr 4, 2024 · N88DT · Destroyed
  > Impact with terrain for reasons that could not be determined.
- [NTSB GAA24WA158](https://openairdocs.org/ntsb/GAA24WA158.md): Piper PA34 · Serra do Japi, Brazil · Accident · 1 fatal · Class 5 · Foreign · Mar 28, 2024 · PT-WLP · Destroyed
- [NTSB DCA24WA123](https://openairdocs.org/ntsb/DCA24WA123.md): Boeing 777 · West Sussex, United Kingdom · Incident · No injuries · Class 5 · Foreign · Mar 9, 2024 · G-YMMG
- [NTSB GAA24WA110](https://openairdocs.org/ntsb/GAA24WA110.md): Zenith CH-801 · Bunberry, Australia · Accident · 1 fatal · Class 5 · Foreign · Mar 4, 2024 · VH-8OI · Substantial damage
- [NTSB GAA24WA103](https://openairdocs.org/ntsb/GAA24WA103.md): Sikorsky S92 · Bergen, Norway · Accident · Class 3 · Foreign · Feb 28, 2024 · LN-OIJ
- [NTSB CEN24LA119](https://openairdocs.org/ntsb/CEN24LA119.md): Zenith Stol CH750 · Sextonville, WI · Accident · Serious injuries · Class 3 · Limited · Final report · Feb 23, 2024 · N750WW · Substantial damage
  > A loss of engine power for reasons that could not be determined, followed by a loss of control and subsequent impact with terrain.
- [NTSB DCA24WA107](https://openairdocs.org/ntsb/DCA24WA107.md): Boeing 737 · Tapachula, Mexico · Incident · Class 5 · Foreign · Feb 21, 2024 · XA-ADU · 2 aircraft · No damage
- [NTSB CEN24LA107](https://openairdocs.org/ntsb/CEN24LA107.md): Edge 540 · La Porte, TX · Accident · No injuries · Class 3 · Limited · Final report · Feb 3, 2024 · N321JA · Substantial damage
  > A loss of engine power after takeoff for undetermined reasons.
- [NTSB GAA24WA082](https://openairdocs.org/ntsb/GAA24WA082.md): Cessna 172 · Denholm, Canada · Accident · No injuries · Class 5 · Foreign · Feb 1, 2024 · C-FSSJ · Substantial damage

Next page: https://openairdocs.org/ntsb-phases/990/cases.md?page=8

## 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 = 990)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/990/cases?page=7

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.