# 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 28 of 35 · 1,713 cases

## Cases, newest first

- [NTSB DCA15WA204](https://openairdocs.org/ntsb/DCA15WA204.md): De Havilland DHC8 · Saarbrucken, Germany · Accident · No injuries · Foreign investigation · Sep 30, 2015 · LX-LGH · Substantial damage
  > The government of Germany has notified the NTSB of an accident involving a DE HAVILLAND DHC8 airplane that occurred on September 30, 2015. The NTSB has appointed a U.S. Accredited Representative to assist the government of Germany's investigation under the…
- [NTSB ERA15WA370](https://openairdocs.org/ntsb/ERA15WA370.md): Bell 206 · Maceio, Brazil · Accident · 4 fatal · Foreign investigation · Sep 23, 2015 · PP-ELA · Destroyed
  > On September 23, 2015, at 1350 universal coordinated time, a Bell 206L-3, Brazilian registration PP-ELA, was destroyed when it impacted terrain in Maceio, Brazil. The four occupants were fatally injured. The local police patrol flight originated at Zumbi dos…
- [NTSB ANC15LA073](https://openairdocs.org/ntsb/ANC15LA073.md): Robinson Helicopter R44 · Fort Glenn, AK · Accident · No injuries · Limited investigation · Final report · Sep 19, 2015 · N7162R · Substantial damage
  > The separation of the tail rotor gearbox from the tailboom attachment point due to overstress loads imposed by a tail rotor blade imbalance as the result of impact with an undetermined object during low-level flight operations.
- [NTSB GAA15LA281](https://openairdocs.org/ntsb/GAA15LA281.md): Dehavilland DHC 2 MK.I · Nikolai, AK · Accident · No injuries · Limited investigation · Final report · Sep 14, 2015 · N676SP · Substantial damage
  > A loss of directional control during a water takeoff for reasons that could not be determined because the airplane was not examined due to the remote accident location.
- [NTSB DCA15WA197](https://openairdocs.org/ntsb/DCA15WA197.md): Boeing 737 · Frankfort, Germany · Incident · No injuries · Foreign investigation · Sep 14, 2015 · EI-EKC · No damage
  > The German Federal Bureau of Aircraft Accident Investigation (BFU) has notified the NTSB of an incident involving a Boeing 737-800 that occurred on September 14, 2015. The NTSB has appointed a U.S. Accredited Representative to assist the BFU investigation…
- [NTSB WPR15WA271](https://openairdocs.org/ntsb/WPR15WA271.md): Bell 407 · Chong Qing, China, China · Accident · 4 fatal · Foreign investigation · Sep 13, 2015 · B-7702 · Substantial damage
  > On September 13, 2015, at 0600 local time, a Bell 407 GX, B-7702, operated by Chong Qing General Aviation Corporation, collided with terrain during an aerial photo operation near Chong Qing, P. R. China. The helicopter was being operated under the pertinent…
- [NTSB DCA15WA203](https://openairdocs.org/ntsb/DCA15WA203.md): Airbus A320 · Perth, Australia · Incident · No injuries · Foreign investigation · Sep 12, 2015 · VH-FNP · No damage
  > The Australian Transport Safety Board (ATSB) has notified the NTSB of an incident involving a AIRBUS A320 airplane, which occurred on September 12, 2015. The NTSB has appointed a U.S. Accredited Representative to assist the government of Australia's…
- [NTSB ERA15WA355](https://openairdocs.org/ntsb/ERA15WA355.md): Smith AEROSTAR600 · Santa Fé de Antioquia, Colombia · Accident · 2 fatal · Foreign investigation · Sep 11, 2015 · N164HH · Destroyed
- [NTSB ERA15FA351](https://openairdocs.org/ntsb/ERA15FA351.md): Cessna 172 · Riegelwood, NC · Accident · 1 fatal · Field investigation · Final report · Sep 11, 2015 · N52445 · Substantial damage
  > The noncertificated pilot’s failure to maintain adequate clearance from terrain for reasons that could not be determined based on the available evidence.
- [NTSB CEN15WA406](https://openairdocs.org/ntsb/CEN15WA406.md): Beech Beech C 24R · Könnern, Germany · Accident · 1 fatal · Foreign investigation · Sep 10, 2015 · D-EHZK · Substantial damage
  > On September 10, 2015 about 0830 UTC, a Beech C24R Sierra airplane, German registration D-EHZK, crashed into a field under unknown circumstances near Könnern, Germany. The pilot, who was the sole occupant, was fatally injured. The flight departed from the…
- [NTSB CEN15WA454](https://openairdocs.org/ntsb/CEN15WA454.md): Robinson R44 · Foleyet, Canada · Accident · 2 fatal · Foreign investigation · Sep 9, 2015 · C-GZFX
  > On September 9, 2015, about 0015 Universal Time Coordinated, a Robinson R-44, C-GZFX, owned and operated by Apex Helicopters Inc. was found in a heavily wooded area about 17 nautical miles south of Foleyet, Ontario. The pilot and one passenger were fatally…
- [NTSB WPR15WA259](https://openairdocs.org/ntsb/WPR15WA259.md): Cessna 172 · Ballarat, Australia, Australia · Accident · 1 fatal · Foreign investigation · Sep 8, 2015 · VH-ZEW · Destroyed
  > On September 8, 2015, at 1542 local time, a Cessna 172S, VH-ZEW, collided with terrain near Ballarat, Australia. The airplane was being operated under the pertinent civil regulations of the Government of Australia. The airplane was destroyed and the pilot,…
- [NTSB WPR15FA258](https://openairdocs.org/ntsb/WPR15FA258.md): Silvaire Luscombe 8A · Creswell, OR · Accident · 2 fatal · Field investigation · Final report · Sep 7, 2015 · N4948E · Destroyed
  > The pilot's decision to return to the runway shortly after takeoff, and his failure to maintain adequate airspeed during the turn, which resulted in the airplane exceeding its critical angle-of-attack and experiencing an aerodynamic stall and spin.
- [NTSB DCA15WA188](https://openairdocs.org/ntsb/DCA15WA188.md): Boeing 737 · Tambacounda, Senegal · Accident · 7 fatal · Foreign investigation · Sep 5, 2015 · 3C-LLY · 2 aircraft · Minor damage
- [NTSB CEN15LA391](https://openairdocs.org/ntsb/CEN15LA391.md): Ference John W Thatcher CX4A · Hebron, OH · Accident · Minor injuries · Limited investigation · Final report · Aug 31, 2015 · N443JF · Substantial damage
  > The loss of engine power for reasons that could not be determined because a postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB CEN15WA380](https://openairdocs.org/ntsb/CEN15WA380.md): Dehavilland DHC-2 MK. I · Lac Long, Canada · Accident · 6 fatal · Foreign investigation · Aug 23, 2015 · C-FKRJ
  > On August 23, 2015, about 1530 coordinated universal time, a De Havilland DHC-2 MK. I airplane, collided with wooded mountainous terrain near Lac Long, Quebec, Canada. The pilot and 5 passengers were fatally injured. The accident investigation is under the…
- [NTSB CEN15WA397](https://openairdocs.org/ntsb/CEN15WA397.md): Robinson R44 · Natolin village, Poland · Accident · Minor injuries · Foreign investigation · Aug 22, 2015 · SP-TVN · Destroyed
  > On August 22, 2015 about 1515 UTC, a Robinson R44 helicopter, Poland registration SP-TVN, made a hard landing, during a precautionary landing, following an engine issue near Natolin village, Radom-Sadkow airport, Poland. The pilot was not injured and the…
- [NTSB WPR15LA242](https://openairdocs.org/ntsb/WPR15LA242.md): Bartels Lancair · Pacific Ocean (Pacific Ocean) · Accident · 1 fatal · Limited investigation · Final report · Aug 14, 2015 · N427LE · Destroyed
  > The pilot's incapacitation for reasons that could not be determined because the airplane was not recovered from the ocean.
- [NTSB DCA15RA171](https://openairdocs.org/ntsb/DCA15RA171.md): Sikorsky S76 - C · Lagos, Nigeria · Accident · No injuries · Foreign investigation · Aug 12, 2015 · 5N-BDG · Destroyed
  > The Nigeria Accident Investigation Bureau (NAIB) has notified the NTSB of an accident involving a SIKORSKY S76 - C helicopter that occurred on August 12, 2015. The NTSB has appointed a U.S. Accredited Representative to assist the NAIB investigation under the…
- [NTSB CEN15WA420](https://openairdocs.org/ntsb/CEN15WA420.md): Embraer EMB505 · Blackbushe Airport, United Kingdom · Accident · 4 fatal · Foreign investigation · Jul 31, 2015 · HZ-IBN · Destroyed
  > On July 31, 2015, at 1408 universal coordinated time (UTC), a Embraer EMB-505, Phenom 300, airplane, registered HZ-IBN, impacted a terrain during landing at the Blackbushe Airport (EGLK), United Kingdom. The pilot and three passengers were fatally injured.…
- [NTSB ANC15WA061](https://openairdocs.org/ntsb/ANC15WA061.md): Cessna 182 · Seibert Lake, Canada · Accident · 1 fatal · Foreign investigation · Jul 26, 2015 · C-FWVQ
  > On July 26, 2015, about 1738 mountain daylight time, a Cessna 182 airplane, C-FWVQ, impacted terrain shortly after takeoff from Seibert Lake, Alberta, Canada, under unknown circumstances. The pilot sustained fatal injuries. The Transportation Safety Board…
- [NTSB ANC15WA060](https://openairdocs.org/ntsb/ANC15WA060.md): Piper PA46 - 350P · Tokyo, Japan · Accident · 3 fatal · Foreign investigation · Jul 26, 2015 · JA4060 · Destroyed
  > On July 26, 2015, at 0200 coordinated universal time, a Japanese registered Piper PA46-350P airplane, JA4060, operated by a private individual, impacted a residential area shortly after takeoff from Chofu Airfield, Tokyo, Japan. The pilot, one passenger, and…
- [NTSB CEN15LA319](https://openairdocs.org/ntsb/CEN15LA319.md): Cessna 182E · Rozet, WY · Accident · No injuries · Limited investigation · Final report · Jul 22, 2015 · N3344Y · Substantial damage
  > The loss of engine power for reasons that could not be determined because an examination of the engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB WPR15WA224](https://openairdocs.org/ntsb/WPR15WA224.md): Glasair SH-2FT · Wedderburn, Australia · Accident · 1 fatal · Foreign investigation · Jul 19, 2015 · VH-HRG · Substantial damage
  > On July 19, 2015 about 1700 local time, an amateur built Glasair SH-2FT, Australian registration VH-HRG, collided with terrain near Wedderburn, Victoria, Australia. The airplane sustained substantial damage and the pilot was fatally injured. The investigation…
- [NTSB WPR15WA213](https://openairdocs.org/ntsb/WPR15WA213.md): Bell 407 - NO Series · Zhejiang Province, P.R. China, China · Accident · 2 fatal · Foreign investigation · Jul 9, 2015 · B-7723 · Substantial damage
  > On July 9, 2015 at 0225 Universal Coordinated Time, a Bell 407, B-7723, was substantially damaged when it crashed at the Qiandao Lake General Aviation airport, Zhejiang Province P. R. China, while conducting a post-repair hovering test. A total of seven…
- [NTSB WPR15WA211](https://openairdocs.org/ntsb/WPR15WA211.md): Amature Built Pitts · Maitland, Australia, Australia · Accident · 1 fatal · Foreign investigation · Jul 8, 2015 · VH-JDZ · Destroyed
  > On July 8, 2015, at 1641 local time, an amateur built Pitts 12, VH-JDZ, collided with terrain near Maitland, Australia and was destroyed by postimpact fire. The pilot, the sole occupant, was fatally injured. The airplane was being operated under the pertinent…
- [NTSB CEN15FA289](https://openairdocs.org/ntsb/CEN15FA289.md): Cessna 172P · Bartlett, IL · Accident · 1 fatal · Field investigation · Final report · Jul 3, 2015 · N62681 · Destroyed
  > The pilot’s loss of airplane control for reasons that could not be determined because an examination of the airplane did not reveal any preimpact abnormalities.
- [NTSB WPR15FA206](https://openairdocs.org/ntsb/WPR15FA206.md): Piper PA 22-135 · Carey, ID · Accident · 1 fatal · Field investigation · Final report · Jul 2, 2015 · N8195C · Destroyed
  > Undetermined because examination of the airplane wreckage did not reveal any anomalies that would have precluded normal operation.
- [NTSB GAA15CA187](https://openairdocs.org/ntsb/GAA15CA187.md): Hier James A Long EZ · Show Low, AZ · Accident · No injuries · Data collection · Final report · Jun 26, 2015 · N793H · Substantial damage
  > The right main landing gear leg fracture, which resulted in the landing gear wheel separation and a runway excursion.
- [NTSB CEN15WA283](https://openairdocs.org/ntsb/CEN15WA283.md): Lake LA4 - 200 · Split, Croatia · Accident · 2 fatal · Foreign investigation · Jun 25, 2015 · 9A-DLA · Destroyed
  > On June 25, 2015, at 1735 universal coordinated time (UTC), a Lake Aircraft LA4-200, Croatian Registration 9A-DLA, was destroyed when it contacted the sea near the Split Airport (LDSP), Resnik, Croatia. One pilot and the sole passenger were fatally injured.…
- [NTSB CEN15LA285](https://openairdocs.org/ntsb/CEN15LA285.md): Robinson Helicopter R44 II · Danville, AR · Accident · No injuries · Limited investigation · Final report · Jun 21, 2015 · N305CG · Substantial damage
  > The loss of engine power for reasons that could not be determined based on the available information.
- [NTSB ERA15WA247](https://openairdocs.org/ntsb/ERA15WA247.md): Cessna T303 · Vaupes, Colombia · Accident · 1 fatal · Foreign investigation · Jun 20, 2015 · HK4677G · Destroyed
- [NTSB ERA15WA261](https://openairdocs.org/ntsb/ERA15WA261.md): Ilyushin IL-103 · Brest, Belarus · Accident · 2 fatal · Foreign investigation · Jun 14, 2015 · EW-041LL · Destroyed
- [NTSB GAA15CA161](https://openairdocs.org/ntsb/GAA15CA161.md): Cessna 172S · Galesburg, IL · Accident · No injuries · Data collection · Final report · Jun 10, 2015 · N740SP · Substantial damage
  > Firewall damage reported by maintenance personnel that occurred during an unknown phase of flight, because the accident flight and pilot could not be determined.
- [NTSB CEN15WA262](https://openairdocs.org/ntsb/CEN15WA262.md): Bell Helicopter 206B · Baldwin, United Kingdom · Accident · 1 fatal · Foreign investigation · Jun 6, 2015 · G-RAMY · Substantial damage
  > On June 6, 2015, about 0810 coordinated universal time, a Bell 206B helicopter, G-RAMY, impacted mountainous terrain near Baldwin, Isle of Man, United Kingdom. The pilot, the sole occupant, was fatally injured.The accident investigation is under the…
- [NTSB WPR15FA174](https://openairdocs.org/ntsb/WPR15FA174.md): Piper PA 22-135 · Livermore, CA · Accident · 1 fatal · Field investigation · Final report · Jun 2, 2015 · N1348C · Destroyed
  > A loss of control for reasons that could not be determined, because examination of the airframe and engine revealed no anomalies that would have precluded normal operation.
- [NTSB CEN15WA251](https://openairdocs.org/ntsb/CEN15WA251.md): M7 Aerospace SA226 - TC · Queretaro, Mexico · Accident · 5 fatal · Foreign investigation · Jun 2, 2015 · XA-UKP · Destroyed
  > On June 2, 2015, about 1425 central daylight time, an M7 Aerospace LLC SA226-TC airplane, XA-UKP, impacted terrain near Queretaro, Mexico. A postimpact ground fire occurred. The pilot, co-pilot, and three passengers were fatally injured and the airplane was…
- [NTSB WPR15LA168](https://openairdocs.org/ntsb/WPR15LA168.md): Hiller UH 12E · Wasco, CA · Accident · 1 fatal · Limited investigation · Final report · May 27, 2015 · N138HA · Substantial damage
  > An in-flight impact with terrain for reasons that could not be determined based on available evidence.
- [NTSB ANC15WA029](https://openairdocs.org/ntsb/ANC15WA029.md): Air Tractor AT802-A · Cold Lake, Canada · Accident · 1 fatal · Foreign investigation · May 22, 2015 · C-FDHV · Substantial damage
  > On May 22, 2015, at 1630 mountain daylight time, a Canadian registered Air Tractor, AT-802A airplane, C-FDHV, operated by the Conair Group Inc., was destroyed when it collided with terrain under unknown circumstances during firefighting operations near Cold…
- [NTSB CEN15WA234](https://openairdocs.org/ntsb/CEN15WA234.md): Hughes 369 · Bocognano, Corse-du-Sud, France, France · Accident · Serious injuries · Foreign investigation · May 18, 2015 · OH-HNR · Destroyed
  > On May 18, 2015, about 0810 hours universal coordinated time, a Hughes model 369 helicopter, Finland registration OH-HNR, impacted terrain near Bocognano, Corse-du-Sud, France. The two crew members were seriously injured. The flight itinerary and purpose of…
- [NTSB ERA15WA223](https://openairdocs.org/ntsb/ERA15WA223.md): Cessna 182J · Novo Progresso, Brazil · Accident · 1 fatal · Foreign investigation · May 9, 2015 · PT-CND · Destroyed
  > On May 9, 2015, about 1430 local time, a Cessna 182J, Brazilian registration PT-CND, was destroyed when it impacted the Baú River, near Novo Progresso, Pará State, Brazil. The Brazilian pilot was fatally injured. The flight, which originated at Novo Progresso…
- [NTSB ERA15FA204](https://openairdocs.org/ntsb/ERA15FA204.md): Cessna 182 · Mulberry, TN · Accident · 1 fatal · Field investigation · Final report · May 3, 2015 · N6579M · Destroyed
  > The pilot's failure to recover from a controlled descent for reasons that could not be determined during the postaccident investigation.
- [NTSB CEN15WA221](https://openairdocs.org/ntsb/CEN15WA221.md): Beech Beech 95-B55 · Dundee, United Kingdom · Accident · 2 fatal · Foreign investigation · May 3, 2015 · G-RICK
  > On May 3, 2015, at 1113 coordinated universal time, a Beech 95-B55 airplane, G-RICK, impacted terrain while on approach to the Dundee Airport (EGPN), Dundee, Scotland. The pilot and one passenger were fatally injured and the airplane was destroyed. Instrument…
- [NTSB CEN15LA204](https://openairdocs.org/ntsb/CEN15LA204.md): Grumman G 164A · Maysville, OK · Accident · Minor injuries · Limited investigation · Final report · Apr 15, 2015 · N7951 · Substantial damage
  > The loss of engine power for reasons that could not be determined because a postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB ERA15RA199](https://openairdocs.org/ntsb/ERA15RA199.md): Swearingen SA226-TC · North Vancouver, Canada · Accident · 2 fatal · Foreign investigation · Apr 13, 2015 · C-GSKC · Destroyed
  > On April 13, 2015, at 0709 Pacific daylight time, a Swearingen SA226-TC, Canadian registration C-GSKC, operating as Carson Air flight 66, was destroyed in an area of mountainous terrain about 10 nautical miles north of North Vancouver, British Columbia. The…
- [NTSB ERA15WA193](https://openairdocs.org/ntsb/ERA15WA193.md): Cessna 210L · Assuncao do Piaui, Brazil · Accident · 1 fatal · Foreign investigation · Apr 11, 2015 · PR-APG · Destroyed
  > On April 11, 2015, at 2200 coordinated universal time, a privately owned Cessna 201L, Brazilian registered PR-APG, was destroyed when it impacted terrain under unknown circumstances near Assuncao do Piaui Municipality, State of Piaui, Brazil. The pilot was…
- [NTSB DCA15WA113](https://openairdocs.org/ntsb/DCA15WA113.md): Eurocopter AS365N3 · Jalan Sungai Lalang, Kampung Pasir baru, Semenyih, Malaysia · Accident · 6 fatal · Foreign investigation · Apr 4, 2015 · 9M-IGB · Destroyed
- [NTSB ERA15WA185](https://openairdocs.org/ntsb/ERA15WA185.md): Aerospool Dynamic WT-9 · Cotopaxi Volcano, Ecuador · Accident · 1 fatal · Foreign investigation · Mar 28, 2015 · F-JUKE · Destroyed
  > On March 28, 2015, about 1300 local time, an Aerospool Dynamic WT9, French registration F-JUKE, was destroyed when it impacted terrain on Cotopaxi Volcano, Cotopaxi Province, Ecuador. The Swiss pilot was fatally injured. The flight, which originated at…
- [NTSB CEN15LA185](https://openairdocs.org/ntsb/CEN15LA185.md): Giackino Donald W Rotorway 162F · Marquette, MI · Accident · No injuries · Limited investigation · Final report · Mar 28, 2015 · N556DG · Substantial damage
  > The loss of helicopter control for reasons that could not be determined based on the available evidence.
- [NTSB GAA15CA018](https://openairdocs.org/ntsb/GAA15CA018.md): Cessna 172S · Camarillo, CA · Accident · No injuries · Data collection · Final report · Mar 23, 2015 · N2104H · Substantial damage
  > The pilot involved and the phase of flight when the damage occurred were not determined.

Next page: https://openairdocs.org/ntsb-events/000/sequence.md?page=29

## 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=28

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