# NTSB investigations: Amateur-built UNKNOWN ENG

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 41 · 2,048 cases

## Cases, newest first

- [NTSB ERA09LA498](https://openairdocs.org/ntsb/ERA09LA498.md): Hahn R-W22 Tiger Moth Rep · Symrna, TN · Accident · Serious injuries · Limited investigation · Final report · Sep 1, 2009 · N318JT · Destroyed
  > A loss of engine power for undetermined reasons.
- [NTSB ERA09LA477](https://openairdocs.org/ntsb/ERA09LA477.md): Vollenweider R/Hurst R F Vans RV-9A · Marianna, FL · Accident · Serious injuries · Limited investigation · Final report · Aug 23, 2009 · N362TS · Substantial damage
  > Failure of the propeller speed reduction gearbox for undetermined reasons. Contributing to the accident was the pilot’s decision to disregard the manufacturer's mandate to replace the gearbox, the manufacturer's failure to provide owners with technical…
- [NTSB CEN09LA523](https://openairdocs.org/ntsb/CEN09LA523.md): From Here To There PDQ RV-8 · Tea, SD · Accident · 2 fatal · Limited investigation · Final report · Aug 16, 2009 · N98AW · Substantial damage
  > The pilot's failure to maintain control of the airplane during recovery from an aerobatic maneuver.
- [NTSB ERA09LA457](https://openairdocs.org/ntsb/ERA09LA457.md): Tidd Wesley Mini-Max · Hodgdon, ME · Accident · Serious injuries · Limited investigation · Final report · Aug 8, 2009 · N569WT · Substantial damage
  > The pilot's mismanagement of the fuel supply, which resulted in fuel starvation.
- [NTSB ERA09LA455](https://openairdocs.org/ntsb/ERA09LA455.md): Schempp-Hirth Ventus 2CM · St. Elmo, AL · Accident · Minor injuries · Limited investigation · Final report · Aug 8, 2009 · N70ZZ · Substantial damage
  > A partial loss of engine power for undetermined reasons. Contributing to the accident was the pilot's failure to maintain adequate airspeed during the forced landing.
- [NTSB CEN09LA486](https://openairdocs.org/ntsb/CEN09LA486.md): Gallagher Junior ACE · Oshkosh, WI · Accident · No injuries · Limited investigation · Final report · Aug 2, 2009 · N413G · Substantial damage
  > The failure of a weld joint on the right rudder pedal leading to the loss of directional control during landing.
- [NTSB ERA09CA432](https://openairdocs.org/ntsb/ERA09CA432.md): Bingham Chuck Rotorway 1 · Atlanta, GA · Accident · Minor injuries · Data collection · Final report · Jul 31, 2009 · N267BC · Substantial damage
  > The pilot's failure to maintain control of the helicopter while hovering in gusting wind conditions.
- [NTSB CEN09CA519](https://openairdocs.org/ntsb/CEN09CA519.md): Cessna 182A · Watertown, SD · Accident · No injuries · Data collection · Final report · Jul 31, 2009 · N2131G · Substantial damage
  > A loss of engine power due to fuel exhaustion as a result of a fuel tank leak. Contributing to the accident was the reported malfunction of the fuel gauge.
- [NTSB WPR09CA481](https://openairdocs.org/ntsb/WPR09CA481.md): S.C. Aerostar YAK-52W · Kaunakakai, HI · Accident · No injuries · Data collection · Final report · Jul 25, 2009 · N691T · Substantial damage
  > The pilot's failure to maintain clearance from terrain while in the airport traffic pattern in dark night conditions.
- [NTSB WPR09CA368](https://openairdocs.org/ntsb/WPR09CA368.md): Schweizer SGU 2-22CK · Ephrata, WA · Accident · Minor injuries · Data collection · Final report · Jul 24, 2009 · N3907A · Substantial damage
  > The premature launch signal given by the wing walker.
- [NTSB CEN09CA468](https://openairdocs.org/ntsb/CEN09CA468.md): Corvus Carone MK 1 · Lee's Summit, MO · Accident · No injuries · Data collection · Final report · Jul 23, 2009 · N51299 · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB ERA09LA412](https://openairdocs.org/ntsb/ERA09LA412.md): James O'Bert Vari-Eze · Columbus, GA · Accident · 1 fatal · Limited investigation · Final report · Jul 19, 2009 · N39DX · Substantial damage
  > The pilots improper fuel management, which resulted in a loss of engine power due to fuel starvation.
- [NTSB WPR09LA350](https://openairdocs.org/ntsb/WPR09LA350.md): Bielawa Rotorway E · Sequim, WA · Accident · Minor injuries · Limited investigation · Final report · Jul 16, 2009 · N3213K · Substantial damage
  > The failure (disbonding) of a composite main rotor blade for undetermined reasons, leading to an immediate loss of control in flight during hover.
- [NTSB CEN09LA440](https://openairdocs.org/ntsb/CEN09LA440.md): Antares MA-33 · Centerburg, OH · Accident · 1 fatal · Limited investigation · Final report · Jul 15, 2009 · N6405 · Substantial damage
  > The pilot's failure to maintain adequate airspeed resulting in an aerodynamic stall.
- [NTSB CEN09CA423](https://openairdocs.org/ntsb/CEN09CA423.md): Lewis Keith O Viggenite · Chesterfield, MO · Accident · No injuries · Data collection · Final report · Jul 8, 2009 · N20VV · Substantial damage
  > The loss of engine power for unknown reasons.
- [NTSB WPR09LA336](https://openairdocs.org/ntsb/WPR09LA336.md): Thomas C. Piper Murphy Rebel · Idaho Falls, ID · Accident · Minor injuries · Limited investigation · Final report · Jul 5, 2009 · N5PQ · Substantial damage
  > A total loss of engine power during initial climb due to fuel starvation. The underlying reason for the fuel starvation condition could not be determined.
- [NTSB WPR09CA329](https://openairdocs.org/ntsb/WPR09CA329.md): Nalis Glastar · Arlington, WA · Accident · No injuries · Data collection · Final report · Jul 5, 2009 · N432P · Substantial damage
  > A total loss of engine power due to fuel starvation as a result of the pilot's failure to select the fullest tank prior to takeoff.
- [NTSB ERA09CA381](https://openairdocs.org/ntsb/ERA09CA381.md): Thompson David Challenger · Waymart, PA · Accident · Serious injuries · Data collection · Final report · Jul 5, 2009 · N10232 · Substantial damage
  > The pilot's failure to maintain adequate airspeed during approach to land resulting in a stall.
- [NTSB WPR09LA325](https://openairdocs.org/ntsb/WPR09LA325.md): Aero Vodochody L-29 · Tehachapi, CA · Accident · 2 fatal · Limited investigation · Final report · Jul 4, 2009 · N97869 · Substantial damage
  > The pilot’s failure to maintain clearance from terrain while performing a low altitude maneuver.
- [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 WPR09LA308](https://openairdocs.org/ntsb/WPR09LA308.md): Mayo RV-6A · Cottonwood, AZ · Accident · 2 fatal · Limited investigation · Final report · Jun 23, 2009 · N413RV · Substantial damage
  > The partial loss of engine power for undetermined reasons, and the pilot's failure to maintain an adequate airspeed, which resulted in an inadvertent stall/spin.
- [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 ERA09LA356](https://openairdocs.org/ntsb/ERA09LA356.md): Chris Mitchell Titan Tornado · Chadbourn, NC · Accident · 1 fatal · Limited investigation · Final report · Jun 18, 2009 · N259CM · Substantial damage
  > The pilot’s failure to maintain aircraft control during initial climb following a loss of engine power. The reason for the power loss was not determined.
- [NTSB WPR09CA283](https://openairdocs.org/ntsb/WPR09CA283.md): Smith Albert F Challenger TWO · Moses Lake, WA · Accident · Minor injuries · Data collection · Final report · Jun 10, 2009 · N7095K · Substantial damage
  > The student pilot's inadequate compensation for the crosswind condition and failure to maintain lateral roll control of the airplane. Also causal was the flight instructor's failure to effectively communicate his instruction to relinquish the flight controls…
- [NTSB ANC09FA052](https://openairdocs.org/ntsb/ANC09FA052.md): Harden RV-7 · Elim, AK · Accident · 2 fatal · Field investigation · Final report · Jun 10, 2009 · N303BK · Substantial damage
  > The pilot's continued visual flight into instrument meteorological conditions, which resulted in an in-flight collision with terrain.
- [NTSB ERA09LA325](https://openairdocs.org/ntsb/ERA09LA325.md): Smith Bret B Searey · Knoxville, TN · Accident · 2 fatal · Limited investigation · Final report · Jun 6, 2009 · N169GW · Substantial damage
  > The pilot's failure to maintain adequate airspeed, resulting in an aerodynamic stall and uncontrolled descent.
- [NTSB ERA09LA324](https://openairdocs.org/ntsb/ERA09LA324.md): De Havilland Vampire MK-3 · Rochester, NY · Accident · Serious injuries · Limited investigation · Final report · Jun 6, 2009 · N6878D · Substantial damage
  > A loss of engine power due to oil starvation.
- [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 ERA09CA313](https://openairdocs.org/ntsb/ERA09CA313.md): Pensinger Zodiac 601 · Greeneville, TN · Accident · Minor injuries · Data collection · Final report · May 31, 2009 · N250JP · Substantial damage
  > An encounter with wind shear on initial climb after takeoff.
- [NTSB WPR09LA269](https://openairdocs.org/ntsb/WPR09LA269.md): Storch Aviation Australia PTY SS-MK4 · Boulder, UT · Accident · 2 fatal · Limited investigation · Final report · May 29, 2009 · N2898J · Substantial damage
  > The pilot's failure to maintain clearance from power lines during low altitude maneuvering.
- [NTSB WPR09LA263](https://openairdocs.org/ntsb/WPR09LA263.md): Lanham Lancair IV · Seligman, AZ · Accident · 2 fatal · Limited investigation · Final report · May 23, 2009 · N144L · Substantial damage
  > The pilot's loss of airplane control during en route descent while operating in known icing conditions.
- [NTSB ERA09LA302](https://openairdocs.org/ntsb/ERA09LA302.md): Hazelwood Michael S RV-8 · Decatur, AL · Accident · 1 fatal · Limited investigation · Final report · May 23, 2009 · N875MH · 2 aircraft · Substantial damage
  > The RV-8 pilot's failure to maintain adequate clearance from the CJ-6A while maneuvering. This report was modified on September 10, 2010.
- [NTSB CEN09CA290](https://openairdocs.org/ntsb/CEN09CA290.md): Bolton Ricky D Rotorway E · Brookeland, TX · Accident · No injuries · Data collection · Final report · May 10, 2009 · N602DB · Substantial damage
  > The pilot failed to maintain control while hovering in gusty conditions.
- [NTSB WPR09CA232](https://openairdocs.org/ntsb/WPR09CA232.md): Atkins John RAF 2000 G · South Prairie, WA · Accident · Minor injuries · Data collection · Final report · May 9, 2009 · N1435X · Substantial damage
  > The pilot's abrupt maneuver to avoid a collision that resulted in an airspeed reduction and subsequent loss of lift provided by the rotor system. Contributing to the accident was the failure of both pilots to maintain an adequate visual lookout for other…
- [NTSB ERA09FA283](https://openairdocs.org/ntsb/ERA09FA283.md): Beech K35 · Lantana, FL · Accident · 2 fatal · Field investigation · Final report · May 6, 2009 · N111YR · Substantial damage
  > A total loss of engine power due to disengagement of the idler gear support pin as a result of improper maintenance.
- [NTSB CEN09CA257](https://openairdocs.org/ntsb/CEN09CA257.md): Enstrom 280FX · Dacono, CO · Accident · No injuries · Data collection · Final report · Apr 20, 2009 · N409LH · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [NTSB WPR09CA207](https://openairdocs.org/ntsb/WPR09CA207.md): Aerostar International Raven S49A · Tracy, CA · Accident · Serious injuries · Data collection · Final report · Apr 18, 2009 · N6378E · Minor damage
  > The pilot's failure to maintain clearance from the power lines.
- [NTSB WPR09CA198](https://openairdocs.org/ntsb/WPR09CA198.md): Better Burn LLC/Startube Div Exec 162F · Chandler, AZ · Accident · Minor injuries · Data collection · Final report · Apr 16, 2009 · N333ST · Substantial damage
  > The flight instructor's inadequate supervision of the flight and delay in taking remedial action to prevent the helicopter from touching down while drifting. Contributing to the accident was the design of the skid shoes.
- [NTSB ERA09CA245](https://openairdocs.org/ntsb/ERA09CA245.md): Piper PA-18-150 · Tampa, FL · Accident · Minor injuries · Data collection · Final report · Apr 11, 2009 · N1982P · Substantial damage
  > The pilot's failure to confirm that the landing gear was retracted prior to the attempted water landing.
- [NTSB ERA09LA233](https://openairdocs.org/ntsb/ERA09LA233.md): Curtiss Wright P-40N · Mastic Beach, NY · Accident · 1 fatal · Limited investigation · Final report · Apr 5, 2009 · N740RB · Destroyed
  > The pilot's failure to maintain adequate airspeed while performing aerobatics at low altitude.
- [NTSB ERA09LA231](https://openairdocs.org/ntsb/ERA09LA231.md): Howard William C KR-2 · Valdosta, GA · Accident · 1 fatal · Limited investigation · Final report · Apr 4, 2009 · N456CH · Destroyed
  > An in-flight fire for undetermined reasons.
- [NTSB ERA09LA221](https://openairdocs.org/ntsb/ERA09LA221.md): T51 T51 · Lake Wales, FL · Accident · No injuries · Limited investigation · Final report · Mar 25, 2009 · N332BC · Substantial damage
  > A partial loss of engine power due to the carburetor not being secured to its mounting pad.
- [NTSB ERA09LA198](https://openairdocs.org/ntsb/ERA09LA198.md): McNear Explorer Coupe · Okeechobee, FL · Accident · 1 fatal · Limited investigation · Final report · Mar 14, 2009 · N5098L · Substantial damage
  > The pilot's failure to maintain directional control of the gyrocopter while taxiing for takeoff.
- [NTSB ERA09LA193](https://openairdocs.org/ntsb/ERA09LA193.md): Burkholder Jimmy C Zodiac 601HD · Live Oak, FL · Accident · 2 fatal · Limited investigation · Final report · Mar 10, 2009 · N601DE · Destroyed
  > The pilot's loss of control of the airplane for undetermined reasons.
- [NTSB ERA09LA187](https://openairdocs.org/ntsb/ERA09LA187.md): Doyle-Michael Sonerai-II · Leonardtown, MD · Accident · Minor injuries · Limited investigation · Final report · Mar 6, 2009 · N28MD · Substantial damage
  > The pilot's continued operation of the airplane with a known mechanical deficiency. Contributing to the accident was the improper installation of the electronic ignition system.
- [NTSB ERA09LA184](https://openairdocs.org/ntsb/ERA09LA184.md): Kevin Eldredge Stewart · Ocala, FL · Accident · 1 fatal · Limited investigation · Final report · Mar 6, 2009 · N551X · Substantial damage
  > A loss of engine power due to contamination and clogging of the fuel system by a post-assembly fuel tank sealant.
- [NTSB WPR09CA095](https://openairdocs.org/ntsb/WPR09CA095.md): Dickson Vans RV-8 · El Monte, CA · Accident · No injuries · Data collection · Final report · Jan 21, 2009 · N396JD · Substantial damage
  > The pilot's failure to maintain directional control during landing.
- [NTSB CEN09LA124](https://openairdocs.org/ntsb/CEN09LA124.md): Lavigna Lancair IV P · Iola, KS · Accident · Minor injuries · Limited investigation · Final report · Jan 7, 2009 · N131DL · Destroyed
  > The total loss of engine power for undetermined reasons.
- [NTSB WPR09LA071](https://openairdocs.org/ntsb/WPR09LA071.md): PZL PZL-104 35A · Oakland, CA · Accident · Minor injuries · Limited investigation · Final report · Jan 3, 2009 · N226PF · Substantial damage
  > A loss of engine power due to fuel exhaustion as a result of the pilot’s inadequate preflight planning.
- [NTSB CEN09LA113](https://openairdocs.org/ntsb/CEN09LA113.md): Cotton Galen M Helicycle · Houston, TX · Accident · No injuries · Limited investigation · Final report · Dec 30, 2008 · N555CX · Substantial damage
  > The loss of engine power during a hover landing which resulted in a hard landing.

Next page: https://openairdocs.org/ntsb.md?engine=99999&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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('99999'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=99999&page=15

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