# NTSB investigations, 2020: Unknown or undetermined

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 2 · 87 cases

## Latest cases

- [NTSB ANC21WA009](https://openairdocs.org/ntsb/ANC21WA009.md): Robinson R66 · Ojiro in Shimada-City, Shizuoka, Japan · Accident · 1 fatal · Class 5 · Foreign · Dec 30, 2020 · JA77AR
- [NTSB CEN21LA102](https://openairdocs.org/ntsb/CEN21LA102.md): Hughes 369D · Tuckers Crossing, MS · Accident · 1 fatal · Class 3 · Limited · Final report · Dec 29, 2020 · N103SU · Destroyed
  > The pilot’s loss of helicopter control when the external saw contacted trees during an attempted emergency landing due to a main rotor transmission oil pressure warning. The reason that the pilot did not release the external saw from the helicopter during the…
- [NTSB CEN21LA100](https://openairdocs.org/ntsb/CEN21LA100.md): Walton Daniel J Sonex · Pecatonica, IL · Accident · Serious injuries · Class 3 · Limited · Final report · Dec 24, 2020 · N610DJ · Substantial damage
  > A total loss of engine power for reasons that could not be determined based on the available information, and the pilot’s exceedance of the airplane’s critical angle of attack following the loss of engine power, which resulted in an aerodynamic stall/spin and…
- [NTSB WPR21LA068](https://openairdocs.org/ntsb/WPR21LA068.md): Cirrus Design SR22 · Ogden, UT · Accident · Serious injuries · Class 3 · Limited · Final report · Dec 10, 2020 · N577CP · Substantial damage
  > The partial loss of engine power for reasons that cannot be determined due to lack of available evidence.
- [NTSB WPR21WA065](https://openairdocs.org/ntsb/WPR21WA065.md): Robinson R44 · Tallong, Australia · Accident · 2 fatal · Class 5 · Foreign · Dec 2, 2020 · VH-HGU · Destroyed
- [NTSB WPR21WA062](https://openairdocs.org/ntsb/WPR21WA062.md): Cessna 172 · Katale, Uganda · Accident · 1 fatal · Class 5 · Foreign · Nov 18, 2020 · N7834M · Destroyed
- [NTSB ERA21WA064](https://openairdocs.org/ntsb/ERA21WA064.md): Cessna 188 · Esperanza, Dominican Republic · Accident · Serious injuries · Class 5 · Foreign · Nov 15, 2020 · HI-923 · Substantial damage
- [NTSB CEN21WA063](https://openairdocs.org/ntsb/CEN21WA063.md): Rotorsport UK Cavalon · Avoch, United Kingdom · Accident · 1 fatal · Class 5 · Foreign · Nov 12, 2020 · G-CKYT · Destroyed
- [NTSB CEN21WA056](https://openairdocs.org/ntsb/CEN21WA056.md): Quest Kodiak 100 · Guatemala City, Guatemala · Accident · 2 fatal · Class 5 · Foreign · Nov 8, 2020 · TG-SMT · Destroyed
- [NTSB WPR21WA050](https://openairdocs.org/ntsb/WPR21WA050.md): Cirrus SR22 · Nelspruit, South Africa · Accident · 1 fatal · Class 5 · Foreign · Nov 6, 2020 · ZS-CNM · Substantial damage
- [NTSB WPR21LA032](https://openairdocs.org/ntsb/WPR21LA032.md): Cessna 172 · Billings, MT · Accident · 1 fatal · Class 3 · Limited · Final report · Oct 31, 2020 · N124TW · Substantial damage
  > The pilot’s failure to maintain the proper descent glide path while on final approach for reasons that could not be determined from available evidence.
- [NTSB CEN21LA035](https://openairdocs.org/ntsb/CEN21LA035.md): Piper PA28 · Crystal Beach, TX · Accident · No injuries · Class 3 · Limited · Final report · Oct 26, 2020 · N32458 · Substantial damage
  > The partial loss of engine power for reasons that could not be determined.
- [NTSB CEN21FA024](https://openairdocs.org/ntsb/CEN21FA024.md): Glasair III · Ford Heights, IL · Accident · 1 fatal · Class 3 · Field · Final report · Oct 20, 2020 · N713MJ · Substantial damage
  > The loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB GAA21WA115](https://openairdocs.org/ntsb/GAA21WA115.md): Robinson R44 · Melili, Kenya · Accident · No injuries · Class 5 · Foreign · Oct 17, 2020 · 5Y-MEP · Substantial damage
- [NTSB CEN21LA018](https://openairdocs.org/ntsb/CEN21LA018.md): Cessna T182 · Houma, LA · Accident · 2 fatal · Class 3 · Limited · Final report · Oct 16, 2020 · N707DA · Substantial damage
  > Impact with terrain for reasons that could not be determined with the available information.
- [NTSB CEN21WA013](https://openairdocs.org/ntsb/CEN21WA013.md): Cessna FRA150 · Troutbeck, United Kingdom · Accident · 1 fatal · Class 5 · Foreign · Oct 11, 2020 · G-CIIR
- [NTSB CEN21LA004](https://openairdocs.org/ntsb/CEN21LA004.md): Piper PA46 · Lake Elmo, MN · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 2, 2020 · N62ZM · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB WPR20LA320](https://openairdocs.org/ntsb/WPR20LA320.md): Great Lakes 2T1A · San Diego, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 24, 2020 · N3617L · Substantial damage
  > A loss of engine power for reasons that could not be determined, which resulted in a hard landing off airport.
- [NTSB GAA20WA149](https://openairdocs.org/ntsb/GAA20WA149.md): Cessna 182 · Minas City, Uruguay · Accident · Class 5 · Foreign · Sep 24, 2020 · CX-AYE
- [NTSB CEN20LA413](https://openairdocs.org/ntsb/CEN20LA413.md): Cosmos Phase 3 · Wayne, OK · Accident · Fatal · Class 3 · Limited · Final report · Sep 19, 2020 · N7024L · Substantial damage
  > A loss of control while taxiing for reasons that could not be determined based on available evidence.
- [NTSB CEN21WA036](https://openairdocs.org/ntsb/CEN21WA036.md): Cessna TU206G · Los Laureles, Mexico · Accident · 2 fatal · Class 5 · Foreign · Sep 16, 2020 · XB-LVT · Destroyed
- [NTSB CEN20LA392](https://openairdocs.org/ntsb/CEN20LA392.md): Cessna 172 · Cottage Grove, MN · Accident · 3 fatal · Class 3 · Limited · Final report · Sep 13, 2020 · N8488L · Destroyed
  > A steep descent and impact with terrain for reasons that could not be determined based on the available information.
- [NTSB WPR20CA298](https://openairdocs.org/ntsb/WPR20CA298.md): Cessna 208 · Whitmore, AZ · Accident · No injuries · Class 4 · Data collection · Final report · Sep 7, 2020 · N186GC · Substantial damage
  > A loss of directional control during landing due to a flat main landing gear tire, which resulted in a lateral runway excursion and impact with terrain.
- [NTSB CEN20LA380](https://openairdocs.org/ntsb/CEN20LA380.md): Beech 35 · Canyon Lake, TX · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 7, 2020 · N4636D · Substantial damage
  > The total loss of engine power for a reason that could not be determined based on available information.
- [NTSB WPR20WA294](https://openairdocs.org/ntsb/WPR20WA294.md): Bell 206 · Lago, Nigeria · Accident · No injuries · Foreign investigation · Aug 28, 2020 · 5N-BQW · Destroyed
  > The government of Nigeria has notified the NTSB of an accident involving a BELL 206 helicopter that occurred on August 28, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the government of Nigeria's investigation under the provisions…
- [NTSB ERA20LA302](https://openairdocs.org/ntsb/ERA20LA302.md): Piper PA28R · Fletcher, NC · Accident · No injuries · Class 3 · Limited · Final report · Aug 27, 2020 · N9341N · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on available evidence.
- [NTSB CEN20WA435](https://openairdocs.org/ntsb/CEN20WA435.md): Schleicher ASH25 · Gloucestershire, United Kingdom · Accident · 2 fatal · Class 4 · Foreign · Aug 26, 2020 · G-CFST · Substantial damage
- [NTSB ANC20LA083](https://openairdocs.org/ntsb/ANC20LA083.md): Eurocopter AS350 · Ninilchik, AK · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 25, 2020 · N160SH · Substantial damage
  > A loss of engine power for an undetermined reason.
- [NTSB GAA20WA141](https://openairdocs.org/ntsb/GAA20WA141.md): Robinson R44 · Gulf of Glyfada, Greece · Incident · Class 5 · Foreign · Aug 24, 2020 · N115VC · Minor damage
- [NTSB CEN20LA352](https://openairdocs.org/ntsb/CEN20LA352.md): Beech 200 · Rockford, IL · Accident · 1 fatal · Class 3 · Limited · Final report · Aug 20, 2020 · N198DM · Destroyed
  > The pilot’s failure to maintain airplane control following a reduction of thrust in the left engine during takeoff. The reason for the reduction in thrust could not be determined based on the available evidence.
- [NTSB CEN20LA342](https://openairdocs.org/ntsb/CEN20LA342.md): Siebel Auriga · Rockford, IL · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 14, 2020 · N505JS · Substantial damage
  > The total loss of engine power for reasons that could not be determined based on available information.
- [NTSB CEN20LA328](https://openairdocs.org/ntsb/CEN20LA328.md): Bell 206 · Marathon, TX · Accident · 3 fatal · Class 3 · Limited · Final report · Aug 8, 2020 · N284S · Destroyed
  > The in-flight loss of helicopter control for reasons that could not be determined based on the available evidence.
- [NTSB DCA20WA136](https://openairdocs.org/ntsb/DCA20WA136.md): Boeing 737 · Kozhikode, India · Accident · No injuries · Foreign investigation · Aug 7, 2020 · VT-AXH · Destroyed
  > The Air Accident Investigation Bureau (AAIB) of India has notified the NTSB of an accident involving a BOEING 737 airplane that occurred on August 07, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the AAIB of India's investigation…
- [NTSB ANC20WA079](https://openairdocs.org/ntsb/ANC20WA079.md): Cessna 172 · Valdau, Russia · Accident · No injuries · Foreign investigation · Aug 2, 2020 · RA-67551
  > The government of Russia has notified the NTSB of an accident involving a CESSNA 172 airplane that occurred on August 02, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the government of Russia's investigation under the provisions of…
- [NTSB CEN20WA319](https://openairdocs.org/ntsb/CEN20WA319.md): Rans S12 · Sergio Perez de Leon, Mexico · Accident · No injuries · Foreign investigation · Jul 29, 2020 · Unknown · Substantial damage
  > The government of Mexico has notified the NTSB of an accident involving a RANS S12 airplane that occurred on July 29, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the government of Mexico's investigation under the provisions of ICAO…
- [NTSB ANC20WA073](https://openairdocs.org/ntsb/ANC20WA073.md): Cessna 140 · Abbotsford, Canada · Accident · 1 fatal · Foreign investigation · Jul 28, 2020 · C-GOFK
  > The government of Canada has notified the NTSB of an accident involving a CESSNA 140 airplane that occurred on July 28, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the government of Canada's investigation under the provisions of…
- [NTSB GAA20WA148](https://openairdocs.org/ntsb/GAA20WA148.md): Parachute Icarus Crossfire 2 · Juta, Hungary · Accident · 1 fatal · Class 4 · Foreign · Jul 19, 2020 · UNREG · Substantial damage
- [NTSB WPR20LA225](https://openairdocs.org/ntsb/WPR20LA225.md): Vans RV 8 · Grimes, CA · Accident · No injuries · Class 3 · Limited · Final report · Jul 17, 2020 · N508CM · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because the airplane was not examined.
- [NTSB WPR20WA242](https://openairdocs.org/ntsb/WPR20WA242.md): MD Helicopter 600 · Windhoek, Namibia · Accident · Serious injuries · Class 5 · Foreign · Jul 16, 2020 · V5-HVD · Destroyed
- [NTSB CEN20LA278](https://openairdocs.org/ntsb/CEN20LA278.md): Grumman G164 · Springfield, CO · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 10, 2020 · N6917K · Destroyed
  > The pilot’s loss of visibility in the cockpit due to foam created by the chemicals loaded in the hopper, which resulted in collision with terrain. Contributing to the accident was the combining of chemicals known to produce foam and the pilot’s failure to…
- [NTSB CEN20LA267](https://openairdocs.org/ntsb/CEN20LA267.md): Titan Tornado · Mankato, KS · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 6, 2020 · N900WH · Substantial damage
  > A total loss of engine power for reasons that could not be determined based on available information.
- [NTSB CEN20LA266](https://openairdocs.org/ntsb/CEN20LA266.md): Lancair ES-P · Pauls Valley, OK · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 6, 2020 · N444TW · Destroyed
  > The reason for this accident could not be determined based on the available information.
- [NTSB CEN20LA287](https://openairdocs.org/ntsb/CEN20LA287.md): Air Tractor AT 602 · Des Arc, AR · Accident · No injuries · Class 3 · Limited · Final report · Jul 3, 2020 · N8506E · Substantial damage
  > A total loss of engine power for reasons that could not be determined from all available evidence.
- [NTSB CEN20LA269](https://openairdocs.org/ntsb/CEN20LA269.md): Air Tractor AT 602 · Weldon, AR · Accident · No injuries · Class 3 · Limited · Final report · Jul 3, 2020 · N602NY · Substantial damage
  > The total loss of engine power during cruise flight for reasons that could not be determined based on the available evidence.
- [NTSB WPR20LA201](https://openairdocs.org/ntsb/WPR20LA201.md): Avia Stroitel AC-5M · Bend, OR · Accident · 1 fatal · Class 3 · Limited · Final report · Jun 30, 2020 · N263R · Destroyed
  > A loss of control just after takeoff for reasons that could not be determined based on the available information.
- [NTSB WPR20LA191](https://openairdocs.org/ntsb/WPR20LA191.md): Enstrom 280 · Hayden, ID · Accident · 1 fatal · Class 3 · Limited · Final report · Jun 24, 2020 · N280MM · Destroyed
  > The total loss of power while maneuvering at low altitude due to the detonation of two engine cylinders and damaged spark plugs.
- [NTSB CEN20WA246](https://openairdocs.org/ntsb/CEN20WA246.md): Bell 407 · Long Marston, United Kingdom · Accident · No injuries · Foreign investigation · Jun 24, 2020 · N120HH · Destroyed
  > The government of the United Kingdom has notified the NTSB of an accident involving a Bell 407 helicopter that occurred on June 24, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the government of the United Kingdom's investigation…
- [NTSB WPR20LA190](https://openairdocs.org/ntsb/WPR20LA190.md): Schweizer 269C · North Las Vegas, NV · Accident · No injuries · Class 3 · Limited · Final report · Jun 23, 2020 · N202CC · Substantial damage
  > A total loss of engine power for reasons that could not be determined based on the available information.
- [NTSB ENG20WA037](https://openairdocs.org/ntsb/ENG20WA037.md): Airbus A320 · Tijuana, Mexico · Incident · No injuries · Foreign investigation · Jun 16, 2020 · N526VL · No damage
  > The Mexican government has notified the NTSB of an incident involving an Airbus A330-202 that occurred June 16, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the Direccion de Analisis de Accidentes e Incidentes de Aviacion (DGAC) of…
- [NTSB WPR20WA182](https://openairdocs.org/ntsb/WPR20WA182.md): Cessna 152 · Bhubaneswar, India · Accident · 2 fatal · Foreign investigation · Jun 8, 2020 · VT-ENF · Substantial damage
  > The government of India has notified the NTSB of an accident involving a CESSNA 152 airplane that occurred on June 08, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the government of India's investigation under the provisions of ICAO…

Next page: https://openairdocs.org/ntsb-events/000/sequence.md?year=2020&page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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") = 2020
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '000' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/000/sequence?year=2020

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