# NTSB investigations, 2012: 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.

## Latest cases

- [NTSB CEN13FA100](https://openairdocs.org/ntsb/CEN13FA100.md): Aerovodochody L-29 Delfin · Combine, TX · Accident · 2 fatal · Field investigation · Final report · Dec 13, 2012 · N29NR · Substantial damage
  > The airplane's impact with terrain for reasons that could not be determined during examination of the available evidence because of extensive impact damage and postimpact fire.
- [NTSB ERA13FA071](https://openairdocs.org/ntsb/ERA13FA071.md): Green Gary E Thorp T-18 · Pahokee, FL · Accident · 1 fatal · Field investigation · Final report · Dec 1, 2012 · N118GG · Substantial damage
  > The descent and overstress of the airplane during the descent, which resulted in the in-flight breakup of the airplane.
- [NTSB ERA13WA080](https://openairdocs.org/ntsb/ERA13WA080.md): Piper PA-25-260 · El Viento, Colombia · Accident · 1 fatal · Foreign investigation · Nov 22, 2012 · HK588 · Substantial damage
  > On November 22, 2012, at 1705 Universal Coordinated Time (UTC), a Piper PA-25-260, Colombian registration HK588,operated by Fuminorte Ltda. Fumigaciones Aereas Norte, was substantially damaged when it collided with terrain during an agriculture spraying…
- [NTSB WPR13FA037](https://openairdocs.org/ntsb/WPR13FA037.md): Cessna 421C · Shaver Lake, CA · Accident · 2 fatal · Field investigation · Final report · Nov 11, 2012 · N700EM · Substantial damage
  > The pilot's failure to regain airplane control following a sudden rapid descent during cruise, which resulted in an in-flight breakup. Contributing to the accident was the pilot's decision to make the flight with a failed vacuum pump, particularly at high…
- [NTSB ERA13LA045](https://openairdocs.org/ntsb/ERA13LA045.md): Robinson Helicopter R22 · Alexander City, AL · Accident · Serious injuries · Limited investigation · Final report · Nov 1, 2012 · N231TM · Substantial damage
  > The pilot’s delayed decision to initiate an autorotation and her subsequent improper conduct of the autorotation, which resulted in a hard landing, after the helicopter started vibrating for reasons that could not be determined because postaccident…
- [NTSB CEN13FA025](https://openairdocs.org/ntsb/CEN13FA025.md): Agusta AW139 · Houma, LA · Accident · Serious injuries · Field investigation · Final report · Oct 22, 2012 · N385RH · Substantial damage
  > The helicopter’s sudden and severe vertical vibrations during landing, which resulted in a collision with terrain. The reason for the helicopter’s sudden and severe vertical vibrations could not be determined during postaccident examinations.
- [NTSB ERA13FA032](https://openairdocs.org/ntsb/ERA13FA032.md): Swift Museum Foundation GC-1A · East Moriches, NY · Accident · 2 fatal · Field investigation · Final report · Oct 20, 2012 · N80823 · Substantial damage
  > The failure of the pilot to maintain airspeed, while attempting a precautionary landing for reasons that could not be determined from the available evidence. Contributing to the accident was the pilot’s pitch-up reaction to birds that took flight during his…
- [NTSB ANC13FA004](https://openairdocs.org/ntsb/ANC13FA004.md): Grumman Aircraft ENG C-1A · Willow, AK · Accident · 1 fatal · Field investigation · Final report · Oct 15, 2012 · N27PH · Destroyed
  > The pilot’s loss of control of the airplane for reasons that could not be determined because the wreckage was not recovered from the accident site.
- [NTSB CEN12LA669](https://openairdocs.org/ntsb/CEN12LA669.md): Robinson Helicopter R44 · Nocona, TX · Accident · Minor injuries · Limited investigation · Final report · Sep 30, 2012 · N8341W · Substantial damage
  > The noncertificated pilot’s operation of the helicopter, which resulted in impact with the water.
- [NTSB WPR12LA417](https://openairdocs.org/ntsb/WPR12LA417.md): Seymour Skyranger · Perris, CA · Accident · Minor injuries · Limited investigation · Final report · Sep 13, 2012 · N936LS · Substantial damage
  > A loss of aircraft control during cruise flight for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB CEN12FA628](https://openairdocs.org/ntsb/CEN12FA628.md): Piper PA-23-250 · Bullard, TX · Accident · 1 fatal · Field investigation · Final report · Sep 12, 2012 · N4842P · Substantial damage
  > The pilot's maneuver, which exceeded the airplane's structural limit and resulted in an in-flight breakup.
- [NTSB WPR12LA411](https://openairdocs.org/ntsb/WPR12LA411.md): Cessna A185F · Cambria, CA · Accident · No injuries · Limited investigation · Final report · Sep 9, 2012 · N80SS · Substantial damage
  > A partial loss of engine power during cruise flight for reasons that could not be determined because the airplane sank in the ocean and was not recovered.
- [NTSB ERA12WA577](https://openairdocs.org/ntsb/ERA12WA577.md): Cessna 172R · Macapá, Brazil · Accident · 1 fatal · Foreign investigation · Sep 9, 2012 · PT-WYK · Destroyed
  > On September 12, 2012, about 2112 universal coordinated time, a Cessna 172R, Brazilian registration PT-WYK, was destroyed when it collided with terrain under unknown circumstances near Macapa ´, Brazil. The non-certificated pilot was fatally injured. The…
- [NTSB WPR12LA383](https://openairdocs.org/ntsb/WPR12LA383.md): Cessna 177RG · Olympia, WA · Accident · No injuries · Limited investigation · Final report · Aug 31, 2012 · N300ZX · Substantial damage
  > A loss of directional control during landing for reasons that could not be determined because postaccident examination of the nose gear steering mechanism did not reveal any anomalies that would have precluded normal operation.
- [NTSB CEN12WA562](https://openairdocs.org/ntsb/CEN12WA562.md): Piper PA-38-112 · Bruera, Cheshire, United Kingdom · Accident · 2 fatal · Foreign investigation · Aug 16, 2012 · G-BODP · Substantial damage
  > On August 16, 2012, about 1940 universal coordinated time, a Piper PA-38-112 airplane, United Kingdom registration G-BODP, impacted terrain during an instructional flight near Bruera, Cheshire, United Kingdom. The flight instructor and student pilot were…
- [NTSB WPR12FA349](https://openairdocs.org/ntsb/WPR12FA349.md): Cessna P210N · Santa Monica, CA · Accident · 1 fatal · Field investigation · Final report · Aug 11, 2012 · N41KA · Substantial damage
  > The pilot's failure to maintain altitude during a return to the airport following an unspecified emergency; the nature of the emergency could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would…
- [NTSB DCA12CA122](https://openairdocs.org/ntsb/DCA12CA122.md): Airbus A330 · Dulles, VA · Accident · No injuries · Data collection · Final report · Aug 10, 2012 · D-AIKE · 2 aircraft · Minor damage
  > the A330 flightcrew's failure to maintain a safe clearance between his wing and the tail of the DHC-8-400 that was stopped on the lead in line of the gate.
- [NTSB CEN12WA528](https://openairdocs.org/ntsb/CEN12WA528.md): Cessna 180G · Kenora, Canada · Accident · Serious injuries · Foreign investigation · Aug 1, 2012 · N4695U · Substantial damage
- [NTSB CEN12LA495](https://openairdocs.org/ntsb/CEN12LA495.md): Cirrus Design SR22 · Lakeview, AR · Accident · No injuries · Limited investigation · Final report · Jul 29, 2012 · N462CP · Substantial damage
  > The pilot’s loss of control during the takeoff roll for reasons that could not be determined because postaccident examination of the airplane did not reveal any anomalies that would have precluded normal operation.
- [NTSB DCA12WA135](https://openairdocs.org/ntsb/DCA12WA135.md): Agusta A109 · Jiquipilco, Mexico · Accident · 3 fatal · Foreign investigation · Jul 28, 2012 · XA-UQH · Destroyed
  > The Mexican Dirección General de Aeronáutica Civil (DGAC) has notified the NTSB of an accident involving a AgustaWestland 109SP helicopter that occurred on July 28, 2012. The NTSB has appointed a U.S. Accredited Representative to assist the DGAC investigation…
- [NTSB WPR12FAMS1](https://openairdocs.org/ntsb/WPR12FAMS1.md): Jeffko Glasair · Tonasket, WA · Accident · 1 fatal · Missing aircraft · Final report · Jul 23, 2012 · N743CA · Substantial damage
  > The cause of the accident is undetermined as the airplane has not been located and remains missing.
- [NTSB ERA12CA466](https://openairdocs.org/ntsb/ERA12CA466.md): Cessna 172P · St. Augustine, FL · Accident · No injuries · Data collection · Final report · Jul 18, 2012 · N127EP · Substantial damage
  > Undetermined due to a lack of information about when the damage to the airplane occurred.
- [NTSB CEN12LA455](https://openairdocs.org/ntsb/CEN12LA455.md): Cessna 175A · Shelby, IL · Accident · No injuries · Limited investigation · Final report · Jul 17, 2012 · N7003E · Substantial damage
  > The loss of engine power due to oil starvation for reasons that could not be determined because engine examinations revealed no malfunctions or failures that would have led to oil starvation.
- [NTSB ERA12FAMS2](https://openairdocs.org/ntsb/ERA12FAMS2.md): Cessna 150F · Atlantic Ocean (Atlantic Ocean) · Accident · 1 fatal · Missing aircraft · Final report · Jun 8, 2012 · N8281S · Substantial damage
  > Undetermined (airplane and pilot missing).
- [NTSB CEN12FAMS1](https://openairdocs.org/ntsb/CEN12FAMS1.md): Piper PA-31-325 · Duluth, MN · Accident · 1 fatal · Missing aircraft · Final report · Jun 8, 2012 · N174BH · Substantial damage
  > Undetermined because the airplane was not found.
- [NTSB CEN12LA352](https://openairdocs.org/ntsb/CEN12LA352.md): Grumman G164 · Higginson, AR · Accident · No injuries · Limited investigation · Final report · Jun 7, 2012 · N779EF · Substantial damage
  > The partial loss of engine power for reasons that could not be determined due to impact and fire damage.
- [NTSB WPR12LA314](https://openairdocs.org/ntsb/WPR12LA314.md): Cessna 182R · Hilo, HI · Accident · No injuries · Limited investigation · Final report · Jun 6, 2012 · N73466 · Substantial damage
  > The damage to the engine firewall for a reason that was undetermined because the damage was not reported when it occurred.
- [NTSB ERA12WA383](https://openairdocs.org/ntsb/ERA12WA383.md): Piper PA-28R-200 · São Paulo, Brazil · Accident · 1 fatal · Foreign investigation · Jun 2, 2012 · PT-KRF · Destroyed
- [NTSB ERA12LA364](https://openairdocs.org/ntsb/ERA12LA364.md): Moyes B/Bailey B Dragonfly · Trenton, GA · Accident · 1 fatal · Limited investigation · Final report · May 26, 2012 · N56FP · Substantial damage
  > The airplane's entry into an uncontrolled descent for reasons that could not be determined because postaccident examination of the airplane did not reveal any anomalies that would have precluded normal operation and it could not be determined whether the…
- [NTSB WPR12WA446](https://openairdocs.org/ntsb/WPR12WA446.md): Hughes 369D · Lake Sumner, New Zealand, New Zealand · Accident · 1 fatal · Foreign investigation · May 21, 2012 · ZK-HXZ · Substantial damage
  > On May 21, 2012, at 0200 universal coordinated time, a Hughes 369D, ZK-HXZ, registered to and operated by Way to Go Heliservices, crashed into Lake Sumner, New Zealand, under unknown circumstances. The helicopter sank in 125 meters of water and was not…
- [NTSB ERA12WA372](https://openairdocs.org/ntsb/ERA12WA372.md): Cessna 182 · Veronica, Argentina · Accident · 1 fatal · Foreign investigation · May 19, 2012 · LV-GTF · Substantial damage
  > On May 19, 2012, about 2140 universal coordinated time, a Cessna 182C, Argentina registration LV-GTF, was substantially damaged when it impacted terrain during a missed approach at Veronica Airfield, Veronica, Buenos Aires, Argentina. The foreign certificated…
- [NTSB DCA12WA085](https://openairdocs.org/ntsb/DCA12WA085.md): Boeing 737 · Riga, Latvia · Incident · No injuries · Foreign investigation · May 19, 2012 · YL-BBN · No damage
  > On May 19, 2012, at approximately 0819 locat time, a Boeing 737-500 operated by AirBaltic was climbing after departure from Riga International Airport, and was cleared by ATC to climb to FL230. At the same time, an Airbus 320, operated by Aeroflot perfromed a…
- [NTSB WPR12FA216](https://openairdocs.org/ntsb/WPR12FA216.md): Aero Vodochody L-39 · Boulder City, NV · Accident · 2 fatal · Field investigation · Final report · May 18, 2012 · N39WT · Substantial damage
  > An in-flight emergency followed by a collision with terrain for reasons that could not be determined because postaccident examination of the airframe, engine, and forward and aft canopies revealed no evidence of mechanical malfunctions or failures that would…
- [NTSB DCA12WA074](https://openairdocs.org/ntsb/DCA12WA074.md): Dornier 228 · Jomson, Nepal · Accident · No injuries · Foreign investigation · May 14, 2012 · 9N-AIG · Destroyed
  > The Nepal Civil Aviation Authority (NCAA) has notified the NTSB of an accident involving a DO-228 that occurred on May 14, 2012. The NTSB has appointed a U.S. Accredited Representative to assist the NCAA investigation under the provisions of ICAO Annex 13 as…
- [NTSB WPR12TA445](https://openairdocs.org/ntsb/WPR12TA445.md): Beech C90 · Boise, ID · Accident · No injuries · Final report · May 10, 2012 · N14CP · Substantial damage
  > Excessive loading on the left wing, which occurred over a period of time. Contributing to the accident was maintenance personnel’s failure to adequately inspect and document the left wing damage.
- [NTSB ERA12WA353](https://openairdocs.org/ntsb/ERA12WA353.md): Embraer EMB712 · Morro do Manduba Guaruja, Brazil · Accident · 2 fatal · Foreign investigation · Apr 26, 2012 · PT-NUH · Substantial damage
  > On April 26, 2012, about 1845 Universal Coordinated Time (UTC), an Embraer 712, Brazilian registration PT-NUH, operated by the Aeroclube de Itanhaem, crashed under unknown circumstances in a dense forest area in Morro do Manduba Guaruja Municipality, Sao…
- [NTSB CEN12FA251](https://openairdocs.org/ntsb/CEN12FA251.md): Cirrus Design SR22 · Newcomerstown, OH · Accident · 1 fatal · Field investigation · Final report · Apr 21, 2012 · N110EB · Substantial damage
  > The pilot’s loss of airplane control in instrument meteorological conditions due to his distraction by electrical system anomalies, which resulted in an uncontrolled descent. The reason for the electrical system anomalies could not be determined.
- [NTSB ERA12LA290](https://openairdocs.org/ntsb/ERA12LA290.md): Cessna 421C · Accident · 1 fatal · Limited investigation · Final report · Apr 19, 2012 · N48DL · Substantial damage
  > Pilot incapacitation, which resulted in the pilot’s inability to maintain airplane control and the airplane’s subsequent ocean impact.
- [NTSB WPR12LA160](https://openairdocs.org/ntsb/WPR12LA160.md): Cessna 150H · Kent, WA · Accident · Serious injuries · Limited investigation · Final report · Apr 7, 2012 · N6616S · Substantial damage
  > The pilot’s failure to maintain airplane control while maneuvering in the traffic pattern, which resulted in a collision with trees.
- [NTSB ERA12WA298](https://openairdocs.org/ntsb/ERA12WA298.md): Agusta A119 · Leningradsky, Russia · Accident · 4 fatal · Foreign investigation · Apr 6, 2012 · RA-01980 · Substantial damage
  > On April 6, 2012, about 1240 Universal Coordinated Time (UTC), an AgustaWestland S.p.A., A119 helicopter, Russian registration RA-01980, crashed onto a frozen lake (Yanisyarvi), Sortavalsk district, Leningradsky region, about 5 KM from camp Chernye Kamni,…
- [NTSB DCA12WA055](https://openairdocs.org/ntsb/DCA12WA055.md): ATR ATR72 · Roshchino, Russia · Accident · No injuries · Foreign investigation · Apr 2, 2012 · VP-BYZ · Destroyed
  > The Russian Interstate Aviation Committee (MAK) has notified the NTSB of an accident involving an ATR-72 that occurred on April 2, 2012. The NTSB has appointed a U.S. Accredited Representative to assist the MAK investigation under the provisions of ICAO Annex…
- [NTSB ERA12WA249](https://openairdocs.org/ntsb/ERA12WA249.md): Beech 300 · Puerto Aguiree, Chile · Accident · 8 fatal · Foreign investigation · Mar 22, 2012 · CC-AEB · Destroyed
  > On March 22, 2012, at 0358 UTC, a Beech BE 300, Chilean registration CC-AEB registered to Banco Popular Espanol, S.A. and operated by Inaer Helicopter Chile SA as an air ambulance flight, departed controlled flight at Flight level 280 while in radio contact…
- [NTSB ERA12WA221](https://openairdocs.org/ntsb/ERA12WA221.md): Piper PA-34 · Belém, Brazil · Accident · 3 fatal · Foreign investigation · Feb 25, 2012 · PR-LAB · Substantial damage
  > On February 25, 2012, about 1150 coordinated universal time, a Piper PA-34-220T, Brazilian registration PR-LAB, was substantially damaged when it impacted terrain shortly after departure from Belém-Brigadeiro Protásio de Oliveira Airport (SBJC), Belém,…
- [NTSB ERA12FA175](https://openairdocs.org/ntsb/ERA12FA175.md): Cessna T182T · Lebanon, NH · Accident · 1 fatal · Field investigation · Final report · Feb 9, 2012 · N6062E · Substantial damage
  > The pilot’s failure to maintain airspeed during a return to the airport after takeoff, which resulted in an aerodynamic stall and loss of airplane control.
- [NTSB ERA12FA149](https://openairdocs.org/ntsb/ERA12FA149.md): Aero Vodochody L39C · Rainbow City, AL · Accident · 1 fatal · Field investigation · Final report · Jan 21, 2012 · N16RZ · Substantial damage
  > An in-flight loss of control in instrument meteorological conditions.
- [NTSB ERA12LA150](https://openairdocs.org/ntsb/ERA12LA150.md): M-Squared Breese 2 · Bayou La Batre, AL · Accident · No injuries · Limited investigation · Final report · Jan 19, 2012 · N582MS · Substantial damage
  > The pilot's inability to maintain control of the airplane for reasons that could not be determined because postaccident examination of the rudder control system did not reveal any anomalies that would have precluded control of the airplane.
- [NTSB CEN12WA138](https://openairdocs.org/ntsb/CEN12WA138.md): Piper PA-31-235 · Powys, Wales, United Kingdom, United Kingdom · Accident · No injuries · Foreign investigation · Jan 18, 2012 · G-BWHF · Substantial damage
  > On January 18, 2012, about 1145 universal time (UTC), a United Kingdom registered Piper PA-31-235, G-BWHF, sustained substantial damage when it impacted terrain near Leighton Welshpool, Powys, Wales, United Kingdom. The pilot and the passenger were fatally…

## 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") = 2012
  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=2012

---
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.