# NTSB investigations: Not determined, general

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 41 of 45 · 2,248 cases

## Cases, newest first

- [NTSB CEN09CA457](https://openairdocs.org/ntsb/CEN09CA457.md): Cessna 310 · Fort Worth, TX · Accident · No injuries · Data collection · Final report · Jul 10, 2009 · N3106L · Substantial damage
  > The failure of the pivot pin in the side brace of the right main landing gear resulting in the gear collapse during taxi for undetermined reasons.
- [NTSB ERA09LA388](https://openairdocs.org/ntsb/ERA09LA388.md): Christen Industries Pitts S-2B · Oakland, MS · Accident · Serious injuries · Limited investigation · Final report · Jul 8, 2009 · N113DW · Substantial damage
  > A total loss of engine power while maneuvering (after performing aerobatics) for undetermined reasons.
- [NTSB WPR09LA340](https://openairdocs.org/ntsb/WPR09LA340.md): Bender Kitfox · Valencia, CA · Accident · No injuries · Limited investigation · Final report · Jul 7, 2009 · N926JB · Substantial damage
  > The failure and separation of a propeller blade for undetermined reasons.
- [NTSB WPR09LA327](https://openairdocs.org/ntsb/WPR09LA327.md): Piper PA-28-140 · Taylor, AZ · Accident · No injuries · Limited investigation · Final report · Jul 6, 2009 · N5957U · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB ERA09LA379](https://openairdocs.org/ntsb/ERA09LA379.md): Cessna 172M · Princeton, NJ · Accident · No injuries · Limited investigation · Final report · Jul 4, 2009 · N64178 · Substantial damage
  > The partial loss of engine power for undetermined reasons.
- [NTSB WPR09LA330](https://openairdocs.org/ntsb/WPR09LA330.md): Taylorcraft DCO-65 · Tracy, CA · Accident · Serious injuries · Limited investigation · Final report · Jul 3, 2009 · N51459 · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB ERA09WA406](https://openairdocs.org/ntsb/ERA09WA406.md): Piper PA-34-200T · Imperatrize, Maranhao, Brazil · Accident · Serious injuries · Foreign investigation · Jul 3, 2009 · PT-RFU · Substantial damage
  > On July 3, 2009, at 2146 UTC, a Piper PA-34-200T, PT-RFU, registered to and operated by Heringer Taxi Aereo LTD, as a cargo flight,lost engine power on one engine after takeoff from Imperatriz, Maranhao Airport, Brazil. The pilot attempted to return to the…
- [NTSB WPR09LA317](https://openairdocs.org/ntsb/WPR09LA317.md): Schempp-Hirth Ventus 2CM · Paragonah, UT · Accident · 1 fatal · Limited investigation · Final report · Jun 29, 2009 · N68MP · Substantial damage
  > The glider departed controlled flight for undetermined reasons.
- [NTSB ERA09CA374](https://openairdocs.org/ntsb/ERA09CA374.md): Boeing A75N1(PT17) · Quinton, VA · Accident · No injuries · Data collection · Final report · Jun 29, 2009 · N38978 · Substantial damage
  > A loss of directional control on landing for undetermined reasons.
- [NTSB WPR09LA314](https://openairdocs.org/ntsb/WPR09LA314.md): Robinson Helicopter R22 Beta · Lewiston, ID · Accident · No injuries · Limited investigation · Final report · Jun 26, 2009 · N836SH · Substantial damage
  > A loss of engine power while in cruise flight for undetermined reasons.
- [NTSB WPR09LA312](https://openairdocs.org/ntsb/WPR09LA312.md): Robinson Helicopter R44 II · Lakeport, CA · Accident · No injuries · Limited investigation · Final report · Jun 25, 2009 · N515DG · Substantial damage
  > A loss of engine power while maneuvering for undetermined reasons.
- [NTSB ERA09LA369](https://openairdocs.org/ntsb/ERA09LA369.md): P&M Quikr · Cedar Town, GA · Accident · 2 fatal · Limited investigation · Final report · Jun 25, 2009 · N433PM · Substantial damage
  > A loss of aircraft control for an undetermined reason.
- [NTSB CEN09CA391](https://openairdocs.org/ntsb/CEN09CA391.md): Shultz Jeffrey D Sonex · Mena, AR · Accident · No injuries · Data collection · Final report · Jun 25, 2009 · N604X · Substantial damage
  > The total loss of engine power for undetermined reasons.
- [NTSB CEN09CA373](https://openairdocs.org/ntsb/CEN09CA373.md): Cessna 172N · Marysville, OH · Accident · Serious injuries · Data collection · Final report · Jun 22, 2009 · N734EN · Substantial damage
  > The pilot's inability to maintain directional control of the airplane during the landing roll for undetermined reasons.
- [NTSB ERA09CA361](https://openairdocs.org/ntsb/ERA09CA361.md): Hummelbird Hummelbird · Sunrise, FL · Accident · No injuries · Data collection · Final report · Jun 21, 2009 · N824RS · Substantial damage
  > A partial loss of engine power during cruise flight for an undetermined reason.
- [NTSB ANC09FAMS1](https://openairdocs.org/ntsb/ANC09FAMS1.md): Beech V35A · Northway, AK · Accident · 2 fatal · Missing aircraft · Final report · Jun 21, 2009 · N7062N · Substantial damage
  > The cause of this accident is unknown; the airplane is missing.
- [NTSB WPR09LA299](https://openairdocs.org/ntsb/WPR09LA299.md): Ayres S2R-600 · Saint Anthony, ID · Accident · No injuries · Limited investigation · Final report · Jun 19, 2009 · N3089K · Destroyed
  > A total loss of engine power for undetermined reasons.
- [NTSB WPR09LA293](https://openairdocs.org/ntsb/WPR09LA293.md): Champion 7ECA · Lake Elsinore, CA · Accident · 2 fatal · Limited investigation · Final report · Jun 17, 2009 · N8339V · Substantial damage
  > A loss of airplane control for undetermined reasons.
- [NTSB ANC09LA058](https://openairdocs.org/ntsb/ANC09LA058.md): Cessna 207 · Crooked Creek, AK · Accident · Minor injuries · Limited investigation · Final report · Jun 17, 2009 · N1623U · Substantial damage
  > A total loss of engine power for an undetermined reason.
- [NTSB CEN09CA366](https://openairdocs.org/ntsb/CEN09CA366.md): Sabre 2PL · Harrison, NE · Accident · Serious injuries · Data collection · Final report · Jun 16, 2009 · N2811P · Substantial damage
  > A loss of directional control for undetermined reasons.
- [NTSB ERA09LA346](https://openairdocs.org/ntsb/ERA09LA346.md): Air Tractor AT-602 · Magee, MS · Accident · No injuries · Limited investigation · Final report · Jun 14, 2009 · N5202U · Substantial damage
  > A total loss of engine power after takeoff for undetermined reasons.
- [NTSB CEN09CA347](https://openairdocs.org/ntsb/CEN09CA347.md): Cessna 210 · Fredericksburg, TX · Accident · Minor injuries · Data collection · Final report · Jun 10, 2009 · N8280M · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB ERA09LA329](https://openairdocs.org/ntsb/ERA09LA329.md): Sorenson Lightning · Brevard, NC · Accident · 2 fatal · Limited investigation · Final report · Jun 8, 2009 · N130DS · Substantial damage
  > Both pilots failure to maintain adequate airspeed while maneuvering after a loss of engine power for undetermined reasons, which resulted in an aerodynamic stall.
- [NTSB ERA09LA323](https://openairdocs.org/ntsb/ERA09LA323.md): York Ronald J Rotorway 162F · Berlin, VT · Accident · 1 fatal · Limited investigation · Final report · Jun 5, 2009 · N162RY · Destroyed
  > A loss of control in flight for undetermined reasons.
- [NTSB ERA09IA315](https://openairdocs.org/ntsb/ERA09IA315.md): Cirrus Design SR22 · Greenville, SC · Incident · No injuries · Incident investigation · Final report · Jun 1, 2009 · N695CD · No damage
  > A pitch control malfunction for undetermined reasons.
- [NTSB CEN09WA333](https://openairdocs.org/ntsb/CEN09WA333.md): Cessna 172H · Uddevalla, Sweden · Accident · 1 fatal · Foreign investigation · Jun 1, 2009 · SE-GUP · Destroyed
  > Under the jurisdiction and control of the Swedish government.
- [NTSB ERA09LA310](https://openairdocs.org/ntsb/ERA09LA310.md): Cessna 172M · Sarasota, FL · Accident · No injuries · Limited investigation · Final report · May 30, 2009 · N12151 · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB CEN09LA331](https://openairdocs.org/ntsb/CEN09LA331.md): Gentry John K Chinook PL · Bridgeport, TX · Accident · 1 fatal · Limited investigation · Final report · May 29, 2009 · N31773 · Substantial damage
  > The flight instructor and pilot's decision to take off with known control deficiencies with the aircraft which resulted in a loss of control.
- [NTSB WPR09LA268](https://openairdocs.org/ntsb/WPR09LA268.md): Maule M-5-210C · Ogden, UT · Accident · Serious injuries · Limited investigation · Final report · May 28, 2009 · N315X · Substantial damage
  > A loss of engine power during takeoff for undetermined reasons.
- [NTSB CEN09LA312](https://openairdocs.org/ntsb/CEN09LA312.md): Northwing Design Apache Sport · Fredericksburg, TX · Accident · 2 fatal · Limited investigation · Final report · May 25, 2009 · N600GB · Substantial damage
  > The loss of aircraft control for undetermined reasons.
- [NTSB WPR09LA264](https://openairdocs.org/ntsb/WPR09LA264.md): Polit Kitfox Ser 5 Outback · Apple Valley, CA · Accident · 1 fatal · Limited investigation · Final report · May 23, 2009 · N781VP · Substantial damage
  > The pilot's loss of aircraft control for undetermined reasons while maneuvering at low altitude.
- [NTSB CEN09LA325](https://openairdocs.org/ntsb/CEN09LA325.md): Cessna 182 · Skiatook, OK · Accident · Minor injuries · Limited investigation · Final report · May 23, 2009 · N4892D · Substantial damage
  > Loss of engine power for undetermined reasons.
- [NTSB WPR09LA254](https://openairdocs.org/ntsb/WPR09LA254.md): Mooney M20J · Healdsburg, CA · Accident · No injuries · Limited investigation · Final report · May 21, 2009 · N4718H · Substantial damage
  > A partial loss of engine power during the takeoff initial climb for undetermined reasons.
- [NTSB WPR09LA247](https://openairdocs.org/ntsb/WPR09LA247.md): Boeing A75N1 · Joshua Tree, CA · Accident · No injuries · Limited investigation · Final report · May 19, 2009 · N450JN · Substantial damage
  > An in-flight fire in the engine compartment for undetermined reasons.
- [NTSB CEN09CA322](https://openairdocs.org/ntsb/CEN09CA322.md): Stinson 10A · Pickwick, MN · Accident · No injuries · Data collection · Final report · May 17, 2009 · N31584 · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB WPR09LA251](https://openairdocs.org/ntsb/WPR09LA251.md): Ercoupe 415C · San Manuel, AZ · Accident · No injuries · Limited investigation · Final report · May 15, 2009 · N2339H · Substantial damage
  > A loss of engine power during cruise flight for undetermined reasons, which resulted in a forced landing and impact with terrain.
- [NTSB WPR09LA241](https://openairdocs.org/ntsb/WPR09LA241.md): Rotorcraft Development UH-1B · Richvale, CA · Accident · Serious injuries · Limited investigation · Final report · May 13, 2009 · N843M · Substantial damage
  > The pilot's failure to maintain control of the helicopter during takeoff for undetermined reasons.
- [NTSB CEN09LA285](https://openairdocs.org/ntsb/CEN09LA285.md): Rockwell International 112A · Metropolis, IL · Accident · Serious injuries · Limited investigation · Final report · May 10, 2009 · N1348J · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB CEN09CA295](https://openairdocs.org/ntsb/CEN09CA295.md): Air Tractor AT502 · Lisse, TX · Accident · Minor injuries · Data collection · Final report · May 8, 2009 · N248LF · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB WPR09LA230](https://openairdocs.org/ntsb/WPR09LA230.md): Cessna T210G · Santa Rosa, CA · Accident · Minor injuries · Limited investigation · Final report · May 7, 2009 · N2722T · Substantial damage
  > A total loss of engine power on final approach for undetermined reasons.
- [NTSB ERA09LA284](https://openairdocs.org/ntsb/ERA09LA284.md): Robinson Helicopter R22 Beta · Winter Haven, FL · Accident · No injuries · Limited investigation · Final report · May 7, 2009 · N456SH · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB CEN09LA281](https://openairdocs.org/ntsb/CEN09LA281.md): Cessna 551 · Stillwater, OK · Accident · No injuries · Limited investigation · Final report · May 5, 2009 · N740JB · Substantial damage
  > The pilot's loss of control for undetermined reasons.
- [NTSB WPR09LA215](https://openairdocs.org/ntsb/WPR09LA215.md): Stanton Glastar · Redding, CA · Accident · No injuries · Limited investigation · Final report · Apr 25, 2009 · N518PV · Substantial damage
  > A loss of engine power during cruise for undetermined reasons.
- [NTSB WPR09LA222](https://openairdocs.org/ntsb/WPR09LA222.md): Valentin Taifun 17 E II · Mammoth Lakes, CA · Accident · 2 fatal · Limited investigation · Final report · Apr 24, 2009 · N20822 · Substantial damage
  > The pilot's failure to maintain clearance from terrain while maneuvering in a canyon.
- [NTSB ERA09LA271](https://openairdocs.org/ntsb/ERA09LA271.md): Cessna 177 · Kinston, NC · Accident · No injuries · Limited investigation · Final report · Apr 24, 2009 · N2803X · Substantial damage
  > A partial loss of engine power due to the failure of the No. 1 cylinder exhaust valve for undetermined reasons.
- [NTSB ERA09LA264](https://openairdocs.org/ntsb/ERA09LA264.md): Mooney M20J · Moncks Corner, SC · Accident · No injuries · Limited investigation · Final report · Apr 24, 2009 · N201JT · Substantial damage
  > The reported partial loss of engine power for undetermined reasons.
- [NTSB ERA09LA263](https://openairdocs.org/ntsb/ERA09LA263.md): Keeley/Tidd MK-1 · Demopolis, AL · Accident · 1 fatal · Limited investigation · Final report · Apr 24, 2009 · N91MK · Substantial damage
  > The pilot's failure to maintain adequate airspeed following a complete loss of engine power resulting in a stall while maneuvering to land. The reason for the loss of engine power was undetermined.
- [NTSB ERA09LA258](https://openairdocs.org/ntsb/ERA09LA258.md): Cessna A188B · Pinehurst, GA · Accident · 1 fatal · Limited investigation · Final report · Apr 23, 2009 · N4789Q · Substantial damage
  > The pilot's failure to maintain aircraft control for undetermined reasons.
- [NTSB WPR09LA213](https://openairdocs.org/ntsb/WPR09LA213.md): Schweizer 269C · Las Vegas, NV · Accident · No injuries · Limited investigation · Final report · Apr 22, 2009 · N17YS · Substantial damage
  > Loss of engine power during approach for undetermined reasons.
- [NTSB WPR09LA208](https://openairdocs.org/ntsb/WPR09LA208.md): Beech V35B · Groveland, CA · Accident · Serious injuries · Limited investigation · Final report · Apr 22, 2009 · N8124R · Substantial damage
  > A loss of engine power for undetermined reasons.

Next page: https://openairdocs.org/ntsb-findings/05000000/cases.md?page=42

## 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '05000000'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/05000000/cases?page=41

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.