# NTSB investigations: 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 15 of 35 · 1,712 cases

## Cases, newest first

- [NTSB GAA22WA257](https://openairdocs.org/ntsb/GAA22WA257.md): Ayres S2R · Morden Reginao, Canada · Accident · 1 fatal · Class 5 · Foreign · Aug 3, 2022 · C-GOKD · Destroyed
- [NTSB CEN22LA361](https://openairdocs.org/ntsb/CEN22LA361.md): Vans RV-10 · Hurst, IL · Accident · No injuries · Class 3 · Limited · Final report · Aug 3, 2022 · N255CP · Substantial damage
  > A loss of engine power for reasons that could not be determined.
- [NTSB CEN22LA354](https://openairdocs.org/ntsb/CEN22LA354.md): Air Tractor AT-301 · Lamoni, IA · Accident · No injuries · Class 3 · Limited · Final report · Aug 1, 2022 · N4326S · Destroyed
  > A loss of airplane performance for reasons that could not be determined.
- [NTSB ERA22LA346](https://openairdocs.org/ntsb/ERA22LA346.md): Textron G36 · Ridgeland, SC · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 30, 2022 · N887MJ · Substantial damage
  > A loss of engine power for reasons that could not be determined.
- [NTSB ERA22LA345](https://openairdocs.org/ntsb/ERA22LA345.md): Luscombe 8A · Ephratah, NY · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 30, 2022 · N1358K · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB CEN22LA349](https://openairdocs.org/ntsb/CEN22LA349.md): Schweizer G-164B · Knox, IN · Accident · No injuries · Class 3 · Limited · Final report · Jul 26, 2022 · N629EH · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [NTSB GAA22WA238](https://openairdocs.org/ntsb/GAA22WA238.md): Cessna T210L · Puerto Plata, Dominican Republic · Accident · 1 fatal · Class 5 · Foreign · Jul 23, 2022 · N210DE · Substantial damage
- [NTSB GAA22WA239](https://openairdocs.org/ntsb/GAA22WA239.md): Cessna 152 · Baramati, India · Accident · No injuries · Class 5 · Foreign · Jul 22, 2022 · VT-ALI · Substantial damage
- [NTSB GAA22WA254](https://openairdocs.org/ntsb/GAA22WA254.md): Robinson R44 · Loanda, Brazil · Accident · 1 fatal · Class 5 · Foreign · Jul 19, 2022 · PR-EGD · Destroyed
- [NTSB GAA22WA231](https://openairdocs.org/ntsb/GAA22WA231.md): United Consultants UC-1 · Lake Siljan, Sweden · Accident · 2 fatal · Class 5 · Foreign · Jul 18, 2022 · N747HJ
- [NTSB CEN22LA323](https://openairdocs.org/ntsb/CEN22LA323.md): Bell 206B · Verona, IL · Accident · No injuries · Class 3 · Limited · Final report · Jul 18, 2022 · N6BU · Substantial damage
  > A loss of rotor rpm for reasons that could not be determined.
- [NTSB WPR22FA256](https://openairdocs.org/ntsb/WPR22FA256.md): Cessna T337G · Gold Hill, CO · Accident · 4 fatal · Class 3 · Field · Final report · Jul 17, 2022 · N337KN · Destroyed
  > The pilot’s exceedance of the airplane’s critical angle of attack while maneuvering with one engine inoperative, which resulted in an aerodynamic stall/spin and impact with terrain.
- [NTSB GAA22WA233](https://openairdocs.org/ntsb/GAA22WA233.md): Robinson R44 · Kronotsky Nature Reserve, Russia · Accident · 3 fatal · Class 4 · Foreign · Jul 16, 2022 · RA-07350 · Destroyed
- [NTSB GAA22WA227](https://openairdocs.org/ntsb/GAA22WA227.md): Piper PA-31-325 · Queretaro, Mexico · Accident · 2 fatal · Class 5 · Foreign · Jul 12, 2022 · N28DF · Substantial damage
- [NTSB GAA22WA225](https://openairdocs.org/ntsb/GAA22WA225.md): Bell 206 · Boa Vista, Brazil · Accident · 2 fatal · Class 4 · Foreign · Jul 12, 2022 · PT-HQU · Substantial damage
- [NTSB CEN22LA313](https://openairdocs.org/ntsb/CEN22LA313.md): Piper PA-24-260 · Rapid City, SD · Accident · No injuries · Class 3 · Limited · Final report · Jul 11, 2022 · N478WT · Substantial damage
  > A total loss of engine power for reasons that could not be determined because the airplane was unavailable for examination.
- [NTSB GAA22WA222](https://openairdocs.org/ntsb/GAA22WA222.md): Bell 206 · Richmond, Australia · Accident · 1 fatal · Class 5 · Foreign · Jul 9, 2022 · VH-ZMF · Destroyed
- [NTSB ERA22LA302](https://openairdocs.org/ntsb/ERA22LA302.md): Air Tractor AT-502B · Center Cross, VA · Accident · No injuries · Class 3 · Limited · Final report · Jul 8, 2022 · N50075 · Substantial damage
  > A loss of engine power for reasons that could not be determined.
- [NTSB ANC22LA054](https://openairdocs.org/ntsb/ANC22LA054.md): Cessna 182D · McGrath, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 6, 2022 · N8754X · Substantial damage
  > A nose landing gear collapse during landing for reasons that could not be determined based on the available information.
- [NTSB CEN22LA308](https://openairdocs.org/ntsb/CEN22LA308.md): Vans RV6 · Aurora, CO · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 3, 2022 · N184CB · Substantial damage
  > A total loss of engine power due to foreign object debris blockage of engine air intake. The source of the debris could not be determined based on the available information.
- [NTSB GAA22WA218](https://openairdocs.org/ntsb/GAA22WA218.md): Learjet 35 · Tierra del Fuego, Argentina · Accident · 4 fatal · Class 3 · Foreign · Jul 1, 2022 · LV-BPA · Substantial damage
- [NTSB CEN22LA311](https://openairdocs.org/ntsb/CEN22LA311.md): Rotorsport UK MTOSport 2017 · Mead, OK · Accident · No injuries · Class 3 · Limited · Final report · Jul 1, 2022 · N44AL · Substantial damage
  > A partial loss of engine power for reasons that could not be determined.
- [NTSB ERA22LA366](https://openairdocs.org/ntsb/ERA22LA366.md): Piper PA-32RT · Wilmington, NC · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 29, 2022 · N4321M · Substantial damage
  > A partial loss of engine power during initial climb for reasons that could not be determined.
- [NTSB WPR22LA242](https://openairdocs.org/ntsb/WPR22LA242.md): Cessna 120 · San Carlos, CA · Accident · No injuries · Class 3 · Limited · Final report · Jun 28, 2022 · N2056V · Substantial damage
  > The total loss of engine power for undetermined reasons.
- [NTSB GAA22WA212](https://openairdocs.org/ntsb/GAA22WA212.md): Sikorsky S76D · Mumbai, India · Accident · Class 5 · Foreign · Jun 28, 2022 · VT-PWI · Substantial damage
- [NTSB ANC22FA047](https://openairdocs.org/ntsb/ANC22FA047.md): Bell UH1B · Clear, AK · Accident · 1 fatal · Class 3 · Field · Final report · Jun 27, 2022 · N9970F · Destroyed
  > A loss of control for reasons that could not be determined based on the available information.
- [NTSB ERA22LA283](https://openairdocs.org/ntsb/ERA22LA283.md): Piper PA-18A · Charlestown, NH · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 22, 2022 · N1927A · Substantial damage
  > The pilot’s failure to see and avoid power lines while maneuvering at low altitude.
- [NTSB ERA22LA287](https://openairdocs.org/ntsb/ERA22LA287.md): Mantell Allan T Lightning · Canandaigua, NY · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 21, 2022 · N51TM · Minor damage
  > The pilot’s performance of an off-airport landing shortly after takeoff for reasons that could not be determined.
- [NTSB WPR22FA215](https://openairdocs.org/ntsb/WPR22FA215.md): Beech E35 · Buckeye, AZ · Accident · 2 fatal · Class 3 · Field · Final report · Jun 18, 2022 · N13AR · Destroyed
  > The pilots’ failure to climb and complete a normal traffic pattern after making a low approach and their failure to extend the flaps for reasons that could not be determined, and the flight instructor’s failure to ensure adequate airspeed and bank control…
- [NTSB WPR22LA221](https://openairdocs.org/ntsb/WPR22LA221.md): Bell 206B · Stockton, CA · Accident · No injuries · Class 3 · Limited · Final report · Jun 17, 2022 · N90326 · Substantial damage
  > Tail rotor blade impact with an unidentified object, which resulted in the loss of control and subsequent rollover of the helicopter.
- [NTSB CEN22LA252](https://openairdocs.org/ntsb/CEN22LA252.md): Meyers Industries 200A · Weslaco, TX · Accident · No injuries · Class 3 · Limited · Final report · Jun 16, 2022 · N489C · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB CEN22LA247](https://openairdocs.org/ntsb/CEN22LA247.md): Piper PA-32R-301 · Olla, LA · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 9, 2022 · N416TS · Substantial damage
  > The partial loss of engine power for undetermined reasons.
- [NTSB CEN22FA232](https://openairdocs.org/ntsb/CEN22FA232.md): Cessna 182G · Kenedy, TX · Accident · 2 fatal · Class 3 · Field · Final report · Jun 6, 2022 · N2118R · Destroyed
  > A loss of airplane control on final approach for reasons that could not be determined.
- [NTSB WPR22LA202](https://openairdocs.org/ntsb/WPR22LA202.md): Fischer Super Koala · Chelan, WA · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 5, 2022 · UNREG · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB CEN22LA259](https://openairdocs.org/ntsb/CEN22LA259.md): Beech 35 · Mesquite, TX · Accident · No injuries · Class 4 · Limited · Final report · Jun 5, 2022 · N9475Y · Substantial damage
  > A collapse of the airplane’s landing gear during the landing roll for reasons that could not be determined based on the available information.
- [NTSB GAA22WA195](https://openairdocs.org/ntsb/GAA22WA195.md): Cessna 182 · Chirijox, Guatemala · Accident · 1 fatal · Class 5 · Foreign · Jun 4, 2022 · TG-PIM · Destroyed
- [NTSB GAA22WA196](https://openairdocs.org/ntsb/GAA22WA196.md): Cessna 152 · Klobuck, Poland · Accident · 2 fatal · Class 5 · Foreign · Jun 2, 2022 · SP-AKW · Destroyed
- [NTSB WPR22LA192](https://openairdocs.org/ntsb/WPR22LA192.md): Maule MX-7-180C · Willits, CA · Accident · 1 fatal · Class 3 · Limited · Final report · May 30, 2022 · N1043B · Destroyed
  > An uncommanded descent during a go-around maneuver for undetermined reasons.
- [NTSB CEN22FA216](https://openairdocs.org/ntsb/CEN22FA216.md): Express 2000RG · Cheyenne, WY · Accident · 1 fatal · Class 3 · Field · Final report · May 30, 2022 · N44508 · Destroyed
  > The pilot's inability to maintain proper airspeed and his exceedance of the airplane’s critical angle of attack while managing a loss of engine power and inflight fire, which resulted in an aerodynamic stall. Contributing factors to the accident were the loss…
- [NTSB GAA22WA193](https://openairdocs.org/ntsb/GAA22WA193.md): Cessna C182 · Slunj, Croatia · Accident · 4 fatal · Class 5 · Foreign · May 29, 2022 · D-EGLF · Destroyed
- [NTSB CEN22FA215](https://openairdocs.org/ntsb/CEN22FA215.md): Grumman American Avn. G-164 · Whiskerville, AR · Accident · 1 fatal · Class 3 · Field · Final report · May 28, 2022 · N178LB · Destroyed
  > The pilot misjudged the approach during the emergency landing, likely due to the full chemical load, and impacted a ditch, resulting in substantial damage and postimpact fire. Contributing to the pilot’s injuries was the lack of a crash-resistant fuel system…
- [NTSB GAA22WA187](https://openairdocs.org/ntsb/GAA22WA187.md): Smith Aerostar 601P · Ceballos, Mexico · Accident · 2 fatal · Class 5 · Foreign · May 23, 2022 · N66CG · Destroyed
- [NTSB CEN22FA208](https://openairdocs.org/ntsb/CEN22FA208.md): Piper PA-32-260 · Broomfield, CO · Accident · 2 fatal · Class 3 · Field · Final report · May 22, 2022 · N85CT · Substantial damage
  > The pilot’s failure to abort the takeoff due to degraded engine performance. Contributing to the accident was the reduced performance of the engine, the reason for which could not be determined.
- [NTSB GAA22WA190](https://openairdocs.org/ntsb/GAA22WA190.md): Piper PA25 · Brasilandia De Minas, Brazil · Accident · 2 fatal · Class 5 · Foreign · May 17, 2022 · PR-CTD · Substantial damage
- [NTSB GAA22WA181](https://openairdocs.org/ntsb/GAA22WA181.md): Cessna 182 · Piracuara, Colombia · Accident · 4 fatal · Class 5 · Foreign · May 17, 2022 · HK1464 · Destroyed
- [NTSB GAA22WA276](https://openairdocs.org/ntsb/GAA22WA276.md): Tecnam P2006T · Bhiwani, India · Accident · No injuries · Class 4 · Foreign · May 12, 2022 · VT-VDB · Substantial damage
- [NTSB ERA22FA223](https://openairdocs.org/ntsb/ERA22FA223.md): Piper PA-24-250 · Athens, GA · Accident · 1 fatal · Class 3 · Field · Final report · May 11, 2022 · N8007P · Destroyed
  > A total loss of engine power for reasons that could not be determined based on the available information.
- [NTSB CEN22FA197](https://openairdocs.org/ntsb/CEN22FA197.md): Cessna 172 · Broomfield, CO · Accident · 1 fatal · Class 3 · Field · Final report · May 11, 2022 · N73670 · Destroyed
  > The pilot’s failure to maintain control of the airplane for reasons that could not be determined.
- [NTSB WPR22FA173](https://openairdocs.org/ntsb/WPR22FA173.md): Blue Side UP Comp AIR 8 SS52 · Grasmere, ID · Accident · 2 fatal · Class 3 · Field · Final report · May 8, 2022 · N801DT · Substantial damage
  > The pilot’s failure to maintain proper airspeed and his exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall.
- [NTSB CEN22LA185](https://openairdocs.org/ntsb/CEN22LA185.md): Superior Culver LFA · Syracuse, KS · Accident · 1 fatal · Class 3 · Limited · Final report · Apr 28, 2022 · N37888 · Destroyed
  > The pilot’s exceedance of the airplane’s critical angle of attack, which resulted in an inadvertent aerodynamic stall while returning to the airport following a partial loss of engine power for reasons that could not be determined.

Next page: https://openairdocs.org/ntsb-events/000/sequence.md?page=16

## 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 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?page=15

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