# NTSB investigations: Amateur-built UNKNOWN ENG, PA

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 ERA26LA353](https://openairdocs.org/ntsb/ERA26LA353.md): Roberts GS-2 Sportsman · Kerrtown, PA · Accident · No injuries · Class 4 · Limited · Investigation open · Sep 24, 2026 · N390KC · Substantial damage
- [NTSB ERA24LA195](https://openairdocs.org/ntsb/ERA24LA195.md): Reddick Jonathan L Zodiac 601XLB · Dunbar, PA · Accident · No injuries · Class 4 · Limited · Final report · Apr 27, 2024 · N601DR · Destroyed
  > A total loss of engine power as a result of an improperly fabricated fuel-air mixture cable bracket. Contributing was the pilot’s decision to fly the airplane with a known mechanical engine issue, and the presence of another airplane that was back taxiing on…
- [NTSB ERA23FA045](https://openairdocs.org/ntsb/ERA23FA045.md): Bearhawk Patrol · Hanover Township, PA · Accident · 2 fatal · Class 3 · Field · Final report · Oct 29, 2022 · N964RS · Substantial damage
  > The pilot’s decision to unlatch his seatbelt during flight, which allowed him to exit the airplane and impact the tail, resulting in a loss of control and impact with terrain.
- [NTSB ERA22LA018](https://openairdocs.org/ntsb/ERA22LA018.md): Z-Hi-Max 1400 · Benton, PA · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 16, 2021 · N668CL · Substantial damage
  > The pilot’s loss of control and encounter with an aerodynamic stall during a planned low-altitude turn toward the airport after takeoff.
- [NTSB ERA20FA013](https://openairdocs.org/ntsb/ERA20FA013.md): Sportine Aviacija LAK17B · Tamaqua, PA · Accident · 1 fatal · Class 3 · Field · Final report · Oct 18, 2019 · N830DK · Substantial damage
  > The pilot's exceedance of the glider's critical angle of attack while climbing in thermal lift, which resulted in an aerodynamic stall/spin.
- [NTSB ERA19FA275](https://openairdocs.org/ntsb/ERA19FA275.md): Vans RV 8 · Stroudsburg, PA · Accident · 2 fatal · Class 3 · Field · Final report · Sep 17, 2019 · N7TL · Destroyed
  > The pilot's failure to maintain control of the airplane for undetermined reasons.
- [NTSB GAA18CA540](https://openairdocs.org/ntsb/GAA18CA540.md): Yakovlev YAK 52 · East Stroudsburg, PA · Accident · No injuries · Data collection · Final report · Aug 25, 2018 · N3042W · Substantial damage
  > The pilot's failure to extend the landing gear during landing, which resulted in a runway excursion and subsequent impact with terrain.
- [NTSB GAA18CA083](https://openairdocs.org/ntsb/GAA18CA083.md): Michael Adamczyk Zenith CH750 · Franklin, PA · Accident · No injuries · Data collection · Final report · Dec 9, 2017 · N750AD · Substantial damage
  > The pilot’s excessive application of aft stick during takeoff, which resulted in an aerodynamic stall. Contributing to this accident was the pilot’s inexperience in the airplane.
- [NTSB ERA16FA064](https://openairdocs.org/ntsb/ERA16FA064.md): Beech A36 · Farmington, PA · Accident · 3 fatal · Field investigation · Final report · Dec 11, 2015 · N72054 · Destroyed
  > The pilot's failure to maintain control of the airplane after a cabin door came open in flight, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall. Contributing to the accident was the pilot's misuse of…
- [NTSB ERA14LA358](https://openairdocs.org/ntsb/ERA14LA358.md): Winder Robert S VP1 · Grove City, PA · Accident · Serious injuries · Limited investigation · Final report · Jul 25, 2014 · N3831W · Substantial damage
  > A collision with terrain during the landing approach for reasons that could not be determined based on available information.
- [NTSB ERA14LA351](https://openairdocs.org/ntsb/ERA14LA351.md): Siler Ronald E Ultrastar · Halifax, PA · Accident · Serious injuries · Limited investigation · Final report · Jul 23, 2014 · N4425W · Substantial damage
  > A total loss of engine power for reasons that could not be determined because the engine was not recovered. Contributing to the accident was the pilot's failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle-of-attack during…
- [NTSB ERA13LA288](https://openairdocs.org/ntsb/ERA13LA288.md): Hagerty RV-7A · Altoona, PA · Accident · Serious injuries · Limited investigation · Final report · Jun 15, 2013 · N954CH · Substantial damage
  > The pilot's improper recovery from an encounter with a wind gust during landing, which resulted in a hard landing on, and displacement of, the nose landing gear and a subsequent runway excursion and noseover.
- [NTSB ERA13LA263](https://openairdocs.org/ntsb/ERA13LA263.md): Wilson William M Cricket MC12 · Doylestown, PA · Accident · 1 fatal · Limited investigation · Final report · Jun 1, 2013 · N2SZ · Substantial damage
  > The pilot's failure to abort the takeoff after detecting the airplane’s degraded performance. Contributing to the accident were the likely loss of power from the left engine for reasons that could not be determined during the postaccident examination of the…
- [NTSB ERA12LA373](https://openairdocs.org/ntsb/ERA12LA373.md): Faltin John R Rotorway Exec 162F · Smoketown, PA · Accident · Minor injuries · Limited investigation · Final report · May 31, 2012 · N8707E · Substantial damage
  > A loss of control during a post-maintenance test flight due to improper tracking of the helicopter’s main rotor blades by the pilot/aircraft builder.
- [NTSB ERA12FA120](https://openairdocs.org/ntsb/ERA12FA120.md): Cessna 441 · Nashville, PA · Accident · 1 fatal · Field investigation · Final report · Dec 22, 2011 · N48BS · Substantial damage
  > The pilot's failure to maintain minimum control airspeed after a loss of power to the right engine, which resulted in an uncontrollable roll into an inadvertent stall/spin. Contributing to the accident was the failure of the airplane's right engine for…
- [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 NYC08FA023](https://openairdocs.org/ntsb/NYC08FA023.md): Daniel R. Lloyd Trish's Ride Home · Greenville, PA · Accident · 1 fatal · Field investigation · Final report · Nov 2, 2007 · N289DT · Destroyed
  > The pilot/builder's improper installation of the electrical system.
- [NTSB LAX07LA220](https://openairdocs.org/ntsb/LAX07LA220.md): Murrin Frederick L Sopwith F1 · Greenville, PA · Accident · Serious injuries · Limited investigation · Final report · Jul 14, 2007 · N6338 · Substantial damage
  > a fuel starvation induced loss of engine power due to inadequate fuel system pressure. A factor in the accident was the pilot/builder's failure to adequately adjust the fuel system pressure.
- [NTSB NYC07LA026](https://openairdocs.org/ntsb/NYC07LA026.md): Vogel Glastar 41 · Snow Shoe, PA · Accident · 1 fatal · Limited investigation · Final report · Nov 11, 2006 · N441AV · Substantial damage
  > The builder's improper installation of an additional alternator. Contributing to the accident were the night lighting conditions.
- [NTSB NYC02FA159](https://openairdocs.org/ntsb/NYC02FA159.md): Schempp-Hirth Standard Cirrus · Hilltown, PA · Accident · 1 fatal · Field investigation · Final report · Aug 10, 2002 · N47SS · Destroyed
  > The pilot's improper pre-flight, and failure to follow procedures in the flight manual to determine that the stabilator was properly connected prior to flight, and which resulted in a loss of control while under tow, and uncontrolled impact with the ground.
- [NTSB NYC01LA221](https://openairdocs.org/ntsb/NYC01LA221.md): de Havilland DHC-94 Moth Minor · Farmington, PA · Accident · No injuries · Limited investigation · Final report · Sep 2, 2001 · N9403 · Substantial damage
  > The in-flight separation of a propeller blade, which resulted in a forced landing to unsuitable terrain. A factor related to the accident was the plowed field.
- [NTSB NYC00LA156](https://openairdocs.org/ntsb/NYC00LA156.md): Stewart S-51 · Forty Fort, PA · Accident · Minor injuries · Limited investigation · Final report · Jun 9, 2000 · N51FY · Substantial damage
  > The owner/builder's inadequate design, resulting in total failure of the reduction gear assembly accessory drive shaft.
- [NTSB IAD00LA039](https://openairdocs.org/ntsb/IAD00LA039.md): Rotorway Rotorway 162F Exec · Mcmurray, PA · Accident · Minor injuries · Limited investigation · Final report · May 6, 2000 · N162RS · Substantial damage
  > The pilot's improper in-flight planning and decision to hover out of ground effect which resulted in a loss of tail rotor effectiveness.
- [NTSB IAD00LA005](https://openairdocs.org/ntsb/IAD00LA005.md): Ankenbruck SEA Hawk · Somerset, PA · Accident · No injuries · Limited investigation · Final report · Nov 12, 1999 · N101WR · Substantial damage
  > The pilot's improper preflight which resulted in a loss of power due to contaminated fuel, and the pilot's failure to maintain aircraft control after the loss of power. A factor in the accident was fuel contamination.
- [NTSB NYC99LA072](https://openairdocs.org/ntsb/NYC99LA072.md): Miner Rotorway Exec 162F · Mechanicsburg, PA · Accident · Minor injuries · Limited investigation · Final report · Mar 14, 1999 · N124CF · Substantial damage
  > The pilot's inadvertent induced dynamic rollover. A factor in the accident was the pilot's lack of helicopter experience.
- [NTSB IAD99LA030](https://openairdocs.org/ntsb/IAD99LA030.md): WSK PZL Krosno KR-03A · Kutztown, PA · Accident · Minor injuries · Limited investigation · Final report · Feb 10, 1999 · N210C · Substantial damage
  > was the in-flight encounter with thermal sink over unsuitable terrain for landing.
- [NTSB NYC99LA008](https://openairdocs.org/ntsb/NYC99LA008.md): WSK PZL Krosno KR-03A · Hilltown, PA · Accident · No injuries · Limited investigation · Final report · Oct 11, 1998 · N408KP · Substantial damage
  > The pilot's misjudgment of altitude/distance which resulted in an in-flight collision which trees.
- [NTSB IAD98LA074](https://openairdocs.org/ntsb/IAD98LA074.md): American Blimp ABC-A-60 · Lock Haven, PA · Accident · No injuries · Limited investigation · Final report · Jul 1, 1998 · N760AB · Substantial damage
  > the pilot's encounter with unforecasted downdrafts.
- [NTSB NYC96LA114](https://openairdocs.org/ntsb/NYC96LA114.md): Waco UPF-7 · East Canton, PA · Accident · Minor injuries · Limited investigation · Final report · May 25, 1996 · N32091 · Substantial damage
  > the pilot's inadequate compensation for wind conditions, and his failure to maintain directional control, which resulted in a loss of control and subsequent collision with obstacles. The gusty crosswind condition was a related factor.
- [NTSB IAD96LA077](https://openairdocs.org/ntsb/IAD96LA077.md): Hiller UH-12E · Hellam, PA · Accident · Minor injuries · Limited investigation · Final report · May 14, 1996 · N90467 · Substantial damage
  > the pilot's loss of directional control during aerial application for undetermined reasons.
- [NTSB NYC91LA143](https://openairdocs.org/ntsb/NYC91LA143.md): Cessna 120 · Wellsville, PA · Accident · No injuries · Limited investigation · Final report · May 28, 1991 · N2714N · Substantial damage
  > A power loss due to a fuel system blockage which resulted in a forced landing.
- [NTSB NYC91DGT04](https://openairdocs.org/ntsb/NYC91DGT04.md): George E Heide, JR. Moni Motorglider · Annville, PA · Accident · No injuries · Final report · May 20, 1991 · N107GH · Substantial damage
  > The pilot's intentional landing on unsuitable terrain due to a loss of altitude precipitated by a downdraft.
- [NTSB NYC91LA032](https://openairdocs.org/ntsb/NYC91LA032.md): Burkhart Grob G103A · Erwinna, PA · Accident · Serious injuries · Limited investigation · Final report · Nov 19, 1990 · N923BG · Substantial damage
  > The student pilot's improper landing technique and the instructor's inadequate supervision.
- [NTSB NYC91LA007](https://openairdocs.org/ntsb/NYC91LA007.md): Waco UPF-7 · Erwinna, PA · Accident · No injuries · Limited investigation · Final report · Oct 9, 1990 · N32091 · Substantial damage
  > The pilot's failure to maintain directional control during the take off roll.
- [NTSB NYC87LA238](https://openairdocs.org/ntsb/NYC87LA238.md): Boeing B-17G · Beaver Falls, PA · Accident · Serious injuries · Limited investigation · Final report · Aug 23, 1987 · N93012 · Substantial damage
  > Drg an apch in gusty winds, the plt noted a rgt x-wind. He stated that after touchdown, the roll-out was stabilized for a short distance, then the rgt wing began to lift. He applied full aileron & rudder to maint control, but was unable to stop on the…
- [NTSB NYC86LA160](https://openairdocs.org/ntsb/NYC86LA160.md): Hiller 12C · Lehighton, PA · Accident · No injuries · Limited investigation · Final report · Jun 29, 1986 · N1042C · Substantial damage
  > The pilot of the Hiller 12C reported an overheated engine followed by an engine failure. During the forced landing the main rotor flexed and cut the tail boom off the the aircraft. The aircraft was examined. 10 oz. Of a liquid was found in the fuel system. 7…
- [NTSB NYC83LA135](https://openairdocs.org/ntsb/NYC83LA135.md): Burkhart Grob 109 · Finleyville, PA · Accident · Serious injuries · Limited investigation · Final report · Jun 5, 1983 · N903BG · Substantial damage
  > The motorized glider collided with trees and the terrain during an emergency landing after the prop had struck the ground during takeoff. During the takeoff roll the propeller 1st collided with high grass and then a bump in the ground after the pilot lost…
- [NTSB NYC82DA178](https://openairdocs.org/ntsb/NYC82DA178.md): Piper PA-28-181 · Dubois, PA · Accident · No injuries · Final report · Aug 1, 1982 · N2852E · Substantial damage
  > After power interruption during cruise the pilot returned to the airport for landing. Turning base leg the engine ouit. The pilot cut short the base leg and landed on the grass beside runway 25. No reasons for engine malfunction was found.
- [NTSB NYC79FA023](https://openairdocs.org/ntsb/NYC79FA023.md): Beech C45 · Reading, PA · Accident · Serious injuries · Closed · Jan 31, 1979 · N346V · Substantial damage
- [NTSB NYC75FHD10](https://openairdocs.org/ntsb/NYC75FHD10.md): Enstrom F-28A · Media, PA · Accident · No injuries · Closed · Jul 31, 1974 · N4890 · Substantial damage
- [NTSB NYC75FGT03](https://openairdocs.org/ntsb/NYC75FGT03.md): Bensen B-8-VW · Harrisburg, PA · Accident · Minor injuries · Closed · Jul 16, 1974 · N1709 · Substantial damage
- [NTSB NYC67D0179](https://openairdocs.org/ntsb/NYC67D0179.md): Navion A · Blairsville, PA · Accident · No injuries · Closed · Jun 30, 1966 · N91140 · Substantial damage

## 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."eventStateOrRegion" = 'PA' AND c."eventCountry" = 'USA'
  AND 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&state=PA

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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.