# 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 14 of 35 · 1,712 cases

## Cases, newest first

- [NTSB WPR23LA107](https://openairdocs.org/ntsb/WPR23LA107.md): Bell OH-58A · Yuma, AZ · Accident · Minor injuries · Class 3 · Limited · Final report · Feb 7, 2023 · N36FA · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB WPR23LA104](https://openairdocs.org/ntsb/WPR23LA104.md): Beech F35 · Gladewater, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Feb 5, 2023 · N123JV · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB CEN23LA099](https://openairdocs.org/ntsb/CEN23LA099.md): Piper PA-28-160 · Eau Claire, WI · Accident · No injuries · Class 3 · Limited · Final report · Feb 5, 2023 · N9770J · Destroyed
  > The engine fire that began for undetermined reasons following numerous engine start attempts.
- [NTSB WPR23LA098](https://openairdocs.org/ntsb/WPR23LA098.md): Cessna T210N · Murrieta, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Jan 27, 2023 · N4758C · Substantial damage
  > A loss of engine power during the turn from base to final for undetermined reasons. Contributing to the accident was the pilot’s decision to not maintain traffic pattern altitude, which resulted in the off-airport landing.
- [NTSB GAA23WA091](https://openairdocs.org/ntsb/GAA23WA091.md): Cessna 206 · Barangay Ditarum, Philippines · Accident · 6 fatal · Class 5 · Foreign · Jan 24, 2023 · RP-C1174 · Substantial damage
- [NTSB CEN23LA088](https://openairdocs.org/ntsb/CEN23LA088.md): Beech M35 · Tomball, TX · Accident · No injuries · Class 3 · Limited · Final report · Jan 22, 2023 · N9306Y · Substantial damage
  > A loss of engine power during cruise flight for undetermined reasons.
- [NTSB ERA23LA111](https://openairdocs.org/ntsb/ERA23LA111.md): Piper PA-28-160 · Somerville, TN · Accident · No injuries · Class 4 · Limited · Final report · Jan 10, 2023 · N5841W · Substantial damage
  > Based on available evidence, the reason for the damage to the airplane’s propeller and engine cowling could not be determined.
- [NTSB CEN23LA076](https://openairdocs.org/ntsb/CEN23LA076.md): Cessna 182M · Council Bluffs, IA · Accident · No injuries · Class 3 · Limited · Final report · Jan 5, 2023 · N71494 · Substantial damage
  > The partial loss of engine power for reasons that could not be determined.
- [NTSB GAA23WA062](https://openairdocs.org/ntsb/GAA23WA062.md): Sling 4 TSI · Meyerton, South Africa · Accident · 2 fatal · Class 5 · Foreign · Jan 2, 2023 · ZU-PPA · Substantial damage
- [NTSB ENG23WA013](https://openairdocs.org/ntsb/ENG23WA013.md): Bombardier CL600 · Venado, Mexico · Accident · 2 fatal · Class 5 · Foreign · Dec 30, 2022 · XB-SGV · Destroyed
- [NTSB ERA23LA093](https://openairdocs.org/ntsb/ERA23LA093.md): Piper PA-28-151 · Annapolis, MD · Accident · Minor injuries · Class 3 · Limited · Final report · Dec 26, 2022 · N1867H · Substantial damage
  > A reported partial loss of engine power for undetermined reasons.
- [NTSB CEN23LA066](https://openairdocs.org/ntsb/CEN23LA066.md): Beech A36 · Harrison, AR · Accident · No injuries · Class 3 · Limited · Final report · Dec 19, 2022 · N8137P · Substantial damage
  > A loss of engine power for reasons that could not be determined.
- [NTSB CEN23FA060](https://openairdocs.org/ntsb/CEN23FA060.md): Beech F33A · Yukon, OK · Accident · 3 fatal · Class 3 · Field · Final report · Dec 6, 2022 · N9142Q · Destroyed
  > The pilot’s loss of airplane control for reasons that could not be determined.
- [NTSB WPR23LA060](https://openairdocs.org/ntsb/WPR23LA060.md): Cessna 177 · Willow Spring, AZ · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 27, 2022 · N2994X · Substantial damage
  > The airplane’s loss of engine power for undetermined reasons.
- [NTSB CEN23LA049](https://openairdocs.org/ntsb/CEN23LA049.md): Cessna 182A · Durango, CO · Accident · No injuries · Class 3 · Limited · Final report · Nov 24, 2022 · N3886D · Substantial damage
  > A complete loss of engine power for reasons that could not be determined from the available evidence.
- [NTSB ERA23LA068](https://openairdocs.org/ntsb/ERA23LA068.md): Piper PA28 · Manassas, VA · Accident · Serious injuries · Class 3 · Limited · Final report · Nov 21, 2022 · N7261F · Substantial damage
  > A total loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB CEN23FA038](https://openairdocs.org/ntsb/CEN23FA038.md): Cessna 421C · Decatur, TX · Accident · 1 fatal · Class 3 · Field · Final report · Nov 18, 2022 · N6797L · Destroyed
  > A loss of power on the left engine due to fuel starvation and the subsequent loss of power on the right engine for undetermined reasons.
- [NTSB GAA23WA037](https://openairdocs.org/ntsb/GAA23WA037.md): Robinson R22 · Ramingining, Australia · Accident · 1 fatal · Class 5 · Foreign · Nov 14, 2022 · VH-LOS · Substantial damage
- [NTSB GAA23WA026](https://openairdocs.org/ntsb/GAA23WA026.md): Beech 33 · San Felipe, Venezuela · Accident · Class 5 · Foreign · Nov 3, 2022 · YV-2052 · Substantial damage
- [NTSB GAA23WA060](https://openairdocs.org/ntsb/GAA23WA060.md): Airbus AS350 · Trøndelag county, Norway · Accident · 2 fatal · Class 5 · Foreign · Nov 1, 2022 · LN-OBP · Substantial damage
- [NTSB ERA23FA047](https://openairdocs.org/ntsb/ERA23FA047.md): Hawker Beechcraft G58 · Alpharetta, GA · Accident · 2 fatal · Class 3 · Field · Final report · Oct 31, 2022 · N495AU · Destroyed
  > The pilot’s loss of aircraft control for unknown reasons.
- [NTSB CEN23LA022](https://openairdocs.org/ntsb/CEN23LA022.md): Piper PA-32R-300 · Evansville, IN · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 30, 2022 · N349SB · Substantial damage
  > The total loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB ERA23LA040](https://openairdocs.org/ntsb/ERA23LA040.md): Piper PA-32RT-300T · Lake Worth, FL · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 23, 2022 · N39628 · Substantial damage
  > A loss of engine power for reasons that could not be determined.
- [NTSB GAA23WA009](https://openairdocs.org/ntsb/GAA23WA009.md): Bell 407 · Rudraprayag, India · Accident · 7 fatal · Class 5 · Foreign · Oct 18, 2022 · VT-RPN · Destroyed
- [NTSB WPR23LA013](https://openairdocs.org/ntsb/WPR23LA013.md): Piper PA-30 · Tucson, AZ · Accident · No injuries · Class 3 · Limited · Final report · Oct 15, 2022 · N7746Y · Substantial damage
  > The pilot’s loss of control during landing for reasons that could not be determined based on the available evidence.
- [NTSB CEN23LA014](https://openairdocs.org/ntsb/CEN23LA014.md): Diamond Aircraft Ind DA 62 · Dallas, TX · Accident · No injuries · Class 3 · Limited · Final report · Oct 15, 2022 · N84LT · Substantial damage
  > A total loss of airplane electrical power for undetermined reasons, which resulted in a complete loss of engine power to both engines. Contributing was the worn main battery and the incorrectly wired ECU backup batteries.
- [NTSB GAA23WA020](https://openairdocs.org/ntsb/GAA23WA020.md): Eurocopter AS350 · Los Jaramillos, Panama · Accident · No injuries · Class 5 · Foreign · Oct 8, 2022 · HP-1806RK · Substantial damage
- [NTSB WPR23FA007](https://openairdocs.org/ntsb/WPR23FA007.md): Cornford Craig H Mustang II · Jamul, CA · Accident · 1 fatal · Class 3 · Field · Final report · Oct 4, 2022 · N887QR · Destroyed
  > Impact with mountainous terrain for undetermined reasons due to the limited evidence that could be collected from the accident scene
- [NTSB GAA22WA300](https://openairdocs.org/ntsb/GAA22WA300.md): Embraer EMB720 · Santa Cruz, Bolivia · Accident · 1 fatal · Class 5 · Foreign · Sep 21, 2022 · CP-2420 · Destroyed
- [NTSB GAA22WA287](https://openairdocs.org/ntsb/GAA22WA287.md): Cessna 172 · Shaunavon, Canada · Accident · 2 fatal · Class 5 · Foreign · Sep 18, 2022 · C-GZLU · Substantial damage
- [NTSB WPR22FA348](https://openairdocs.org/ntsb/WPR22FA348.md): Trom Wayne Vans RV6A · Aztec, AZ · Accident · 2 fatal · Class 3 · Field · Final report · Sep 16, 2022 · N646RV · Destroyed
  > The total loss of engine power for reasons that could not be determined based on available evidence. Contributing to the accident was the pilot’s decision to turn away from a suitable emergency landing surface, his failure to maintain adequate airspeed as the…
- [NTSB WPR22LA352](https://openairdocs.org/ntsb/WPR22LA352.md): Jacquneaux Glen R CGS Hawk · Lander, WY · Accident · No injuries · Class 3 · Limited · Final report · Sep 15, 2022 · N5148G · Substantial damage
  > A reported severe airframe vibration and subsequent forced landing for reasons that could not be determined because the wreckage was not made available for examination.
- [NTSB GAA22WA293](https://openairdocs.org/ntsb/GAA22WA293.md): Fairchild 227 · Queretaro, Mexico · Accident · Class 5 · Foreign · Sep 15, 2022 · XA-UMW · Substantial damage
- [NTSB ERA22LA416](https://openairdocs.org/ntsb/ERA22LA416.md): William L Bell Vans RV-7A · Warrenton, VA · Accident · No injuries · Class 3 · Limited · Final report · Sep 13, 2022 · N40WB · Substantial damage
  > A total loss of engine power for reasons that could not be determined because the airplane could not be examined.
- [NTSB GAA22WA280](https://openairdocs.org/ntsb/GAA22WA280.md): Air Tractor AT502 · Camrose, Canada · Accident · 1 fatal · Class 4 · Foreign · Sep 12, 2022 · C-FJVL · Substantial damage
- [NTSB GAA22WA282](https://openairdocs.org/ntsb/GAA22WA282.md): Eurocopter EC120B · Bidor, Malaysia · Accident · 1 fatal · Class 5 · Foreign · Sep 11, 2022 · N409HH · Destroyed
- [NTSB GAA22WA278](https://openairdocs.org/ntsb/GAA22WA278.md): Cessna 208B · Oriximina, Brazil · Accident · 1 fatal · Class 5 · Foreign · Sep 10, 2022 · PT-MES · Substantial damage
- [NTSB GAA22WA273](https://openairdocs.org/ntsb/GAA22WA273.md): Cessna 172 · Barrancominas, Colombia · Accident · Minor injuries · Class 5 · Foreign · Sep 9, 2022 · HK2573 · Substantial damage
- [NTSB GAA22WA292](https://openairdocs.org/ntsb/GAA22WA292.md): Agusta A119 · Mount Cusna, Italy · Accident · Class 3 · Foreign · Sep 6, 2022 · I-ELOP · Substantial damage
- [NTSB ERA22LA401](https://openairdocs.org/ntsb/ERA22LA401.md): Piper PA28 · Wadsworth, OH · Accident · No injuries · Class 3 · Limited · Final report · Sep 3, 2022 · N5666U · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB CEN22LA403](https://openairdocs.org/ntsb/CEN22LA403.md): Beech A36 · Houghton Lake, MI · Accident · No injuries · Class 3 · Limited · Final report · Aug 31, 2022 · N2270L · Substantial damage
  > A loss of engine power during cruise flight for undetermined reasons.
- [NTSB ANC22FA069](https://openairdocs.org/ntsb/ANC22FA069.md): Story Charles Brad TT FOX · Wasilla, AK · Accident · 1 fatal · Class 3 · Field · Final report · Aug 29, 2022 · N2723P · Substantial damage
  > The pilot’s inability to maintain control of the airplane for reasons that could not be determined.
- [NTSB ERA22LA389](https://openairdocs.org/ntsb/ERA22LA389.md): Cessna 140 · Slocomb, AL · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 27, 2022 · N76527 · Substantial damage
  > The partial loss of engine power during takeoff for reasons that could not be determined.
- [NTSB WPR22LA317](https://openairdocs.org/ntsb/WPR22LA317.md): Flight Design General Avn Ctsw SuperSport · Boulder City, NV · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 26, 2022 · N916CA · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB WPR22LA313](https://openairdocs.org/ntsb/WPR22LA313.md): Piper PA-30 · St Ignatius, MT · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 23, 2022 · N4009Y · Substantial damage
  > A partial loss of power during takeoff for undetermined reasons.
- [NTSB ERA22LA378](https://openairdocs.org/ntsb/ERA22LA378.md): Piper PA-28-140 · Marathon, FL · Accident · No injuries · Class 3 · Limited · Final report · Aug 19, 2022 · N587FL · Substantial damage
  > A total loss of power for undetermined reasons.
- [NTSB ERA22FA376](https://openairdocs.org/ntsb/ERA22FA376.md): Air Tractor AT-602 · Glendora, MS · Accident · 1 fatal · Class 3 · Field · Final report · Aug 19, 2022 · N602PB · Substantial damage
  > The collision with terrain for reasons that could not be determined.
- [NTSB CEN22FA376](https://openairdocs.org/ntsb/CEN22FA376.md): Cessna 182Q · Centennial, CO · Accident · 1 fatal · Class 3 · Field · Final report · Aug 9, 2022 · N727PC · Destroyed
  > The loss of engine power during a departure climb for undetermined reasons and the aerodynamic stall, which resulted in an uncontrolled descent and impact with terrain.
- [NTSB CEN22FA375](https://openairdocs.org/ntsb/CEN22FA375.md): Sonex Waiex · Maxwell, CA · Accident · 1 fatal · Class 3 · Field · Final report · Aug 9, 2022 · N51YX · Destroyed
  > A loss of control in flight for undetermined reasons that resulted in an impact with terrain.
- [NTSB GAA22WA248](https://openairdocs.org/ntsb/GAA22WA248.md): Robinson R44 · Lanzhou, China · Accident · 1 fatal · Class 5 · Foreign · Aug 7, 2022 · B-70F2 · Substantial damage

Next page: https://openairdocs.org/ntsb-events/000/sequence.md?page=15

## 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=14

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