# 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 21 of 41 · 2,048 cases

## Cases, newest first

- [NTSB DFW05LA110](https://openairdocs.org/ntsb/DFW05LA110.md): Friddle Super Cub Replica · Springtown, TX · Accident · Minor injuries · Limited investigation · Final report · Apr 26, 2005 · N10038 · Substantial damage
  > The pilot's failure to compensate for wind conditions and his failure to maintain aircraft control during a go-around, which resulted in collision with trees.
- [NTSB LAX05LA144](https://openairdocs.org/ntsb/LAX05LA144.md): Bishop RV6A · Dulzura, CA · Accident · Serious injuries · Limited investigation · Final report · Apr 22, 2005 · N426BB · Destroyed
  > The pilot's continued visual flight into instrument meteorological conditions, which resulted in an in-flight collision with rising mountainous terrain.
- [NTSB CHI05CA100](https://openairdocs.org/ntsb/CHI05CA100.md): Mitchell KR-2S · Cameron, MO · Accident · Minor injuries · Data collection · Final report · Apr 14, 2005 · N316RP · Destroyed
  > The loss of engine power for an undetermined reason and the misjudged landing flare which resulted in the bounced landing. Additional causes were the improper recovery from the bounced landing and the inadvertent stall. A factor was the pilot's lack of…
- [NTSB DFW05LA102](https://openairdocs.org/ntsb/DFW05LA102.md): Spearman Raptor · Bogalusa, LA · Accident · 2 fatal · Limited investigation · Final report · Apr 12, 2005 · N750TP · Destroyed
  > The pilot's failure to maintain control of the airplane. A contributing factor was the pilot's lack of experience in the make/model airplane.
- [NTSB CHI05LA094](https://openairdocs.org/ntsb/CHI05LA094.md): Tschida Glastar · Kendallville, IN · Accident · No injuries · Limited investigation · Final report · Apr 10, 2005 · N5DK · Substantial damage
  > A loss of engine power due to fuel starvation as a result of the fuel flow restriction at the internal engine fuel filter due the presence of the silicone sealant material. Contributing factors were the unsuitable terrain for a forced landing short of the…
- [NTSB CHI05LA082](https://openairdocs.org/ntsb/CHI05LA082.md): Matthews Christen Eagle II · Iowa City, IA · Accident · 2 fatal · Limited investigation · Final report · Mar 27, 2005 · N85SM · Destroyed
  > The pilot not maintaining airplane control and airspeed, and the stall/spin encountered during aerobatic maneuvering. A factor in the accident was the pilot exceeding the published airplane's aft center of gravity limit and a factor in the pilot rated…
- [NTSB LAX05LA115](https://openairdocs.org/ntsb/LAX05LA115.md): Sukhoi SU-26 · Tucson, AZ · Accident · No injuries · Limited investigation · Final report · Mar 14, 2005 · N226PS · Substantial damage
  > the pilot's inadequate in-flight planning and fuel consumption calculations, which resulted in fuel exhaustion.
- [NTSB DFW05LA080](https://openairdocs.org/ntsb/DFW05LA080.md): Aero Vodochody Aero. Works L-39C · Shreveport, LA · Accident · Minor injuries · Limited investigation · Final report · Mar 7, 2005 · N8098T · Substantial damage
  > The pilot's misjudgment of airspeed and his failure to abort the landing resulting in an overrun. A contributing factor was the wet runway.
- [NTSB MIA05CA074](https://openairdocs.org/ntsb/MIA05CA074.md): Dgflugzeugbau DG-800S · Clermont, FL · Accident · No injuries · Data collection · Final report · Mar 5, 2005 · N92DG · Substantial damage
  > The pilots failure to maintain airspeed which resulted in the glider stalling and impact with trees during the uncontrolled descent.
- [NTSB DEN05LA059](https://openairdocs.org/ntsb/DEN05LA059.md): Bourgeois-Avid Flyer MK IV · Kaycee, WY · Accident · 1 fatal · Limited investigation · Final report · Feb 26, 2005 · N94B · Substantial damage
  > the pilot's failure to maintain airspeed which resulted in a stall.
- [NTSB ATL05CA053](https://openairdocs.org/ntsb/ATL05CA053.md): Bennett Ra Oliver Zodiac CH 601 HDS · Mt. Olive, NC · Accident · Serious injuries · Data collection · Final report · Feb 26, 2005 · N2521B · Substantial damage
  > Rupture of the engine's cooling system radiator, which allowed steam to fill the cockpit.
- [NTSB ATL05LA052](https://openairdocs.org/ntsb/ATL05LA052.md): WSK PZL Mielec M-18A · Macedonia, SC · Accident · No injuries · Limited investigation · Final report · Feb 23, 2005 · N2296Y · Substantial damage
  > The fatigue cracking of the planetary gear housing, which resulted in the loss of engine power.
- [NTSB ANC05LA033](https://openairdocs.org/ntsb/ANC05LA033.md): Twente Pitts Model 12 · Marion, MS · Accident · 2 fatal · Limited investigation · Final report · Feb 12, 2005 · N20GT · Destroyed
  > The pilot's failure to maintain control of the airplane while performing a low altitude, aerobatic maneuver, which resulted in an uncontrolled descent, and an in-flight collision with terrain. A factor associated with the accident was the initiation of a low…
- [NTSB IAD05LA033](https://openairdocs.org/ntsb/IAD05LA033.md): Ghiles MCR-01 VLA · Cincinnati, OH · Accident · No injuries · Limited investigation · Final report · Jan 17, 2005 · N3085Q · Substantial damage
  > A total loss of engine power due to an oil hose collapse, which resulted in failure of the #4 connecting rod.
- [NTSB LAX05LA060](https://openairdocs.org/ntsb/LAX05LA060.md): Eurocopter France EC135T1 · Casa Grande, AZ · Accident · Minor injuries · Limited investigation · Final report · Jan 3, 2005 · N135NW · Substantial damage
  > the separation of a main rotor control link due to improper maintenance installation.
- [NTSB DEN05CA040](https://openairdocs.org/ntsb/DEN05CA040.md): Daniels Vans RV-8 · Albuquerque, NM · Accident · No injuries · Data collection · Final report · Dec 19, 2004 · N204X · Substantial damage
  > the pilot's failure to maintain directional control resulting in a ground loop.
- [NTSB SEA05CA027](https://openairdocs.org/ntsb/SEA05CA027.md): Breit Zodiac (CH-601-HDS) · Everett, WA · Accident · Minor injuries · Data collection · Final report · Dec 18, 2004 · N826JB · Substantial damage
  > The pilot's failure to maintain aircraft control immediately after takeoff. A factor was the wake turbulence from the preceding airplane.
- [NTSB DFW05CA042](https://openairdocs.org/ntsb/DFW05CA042.md): Ohlemeier/Stratton RV-7A · Gordonville, TX · Accident · Minor injuries · Data collection · Final report · Dec 17, 2004 · N207TP · Substantial damage
  > The pilot's misjudged flare. Contributing factors were the uphill slope of the runway and the soft condition of the landing area.
- [NTSB ATL05LA035](https://openairdocs.org/ntsb/ATL05LA035.md): Bell UH-1H · Rockford, AL · Accident · No injuries · Limited investigation · Final report · Dec 16, 2004 · N51AG · Substantial damage
  > The pilot's failure to maintain adequate obstacle clearance, which resulted in an in-flight collision with a tree.
- [NTSB CHI05CA032](https://openairdocs.org/ntsb/CHI05CA032.md): Olson Sonex · Oconomowoc, WI · Accident · Serious injuries · Data collection · Final report · Nov 21, 2004 · N478SX · Substantial damage
  > The loss of engine power due to a fatigue fracture of the crankshaft. An additional cause to the accident was the pilot/builder's failure to verify the dimensions of the shrink-fit crankshaft components prior reassembling the engine. A factor to the accident…
- [NTSB MIA05LA029](https://openairdocs.org/ntsb/MIA05LA029.md): Joseph R. Sirgo Aquilla · Eustis, FL · Accident · Serious injuries · Limited investigation · Final report · Nov 13, 2004 · N2011G · Substantial damage
  > The passenger's control interference, which resulted in a loss of control, and the airplane impacting a hangar during takeoff/initial climb.
- [NTSB DEN05IA025](https://openairdocs.org/ntsb/DEN05IA025.md): Blair-American USA · Fort Collins, CO · Incident · No injuries · Incident investigation · Final report · Nov 12, 2004 · N1518 · 2 aircraft · No damage
  > the Blair-American and the Cessna pilot's inadequate visual lookout, and student pilot's failure to give right-of-way to a landing aircraft, which resulted in a runway incursion and subsequent collision. Contributing factors include the student instructor's…
- [NTSB MIA05FA017](https://openairdocs.org/ntsb/MIA05FA017.md): Cessna P206 · Jacksonville, FL · Accident · 1 fatal · Field investigation · Final report · Oct 30, 2004 · N2588X · Substantial damage
  > The improper setting of the elevator trim by the pilot-in-command, his failure to follow the checklist related to elevator trim setting, and his failure to maintain VS during climb after takeoff resulting in an inadvertent stall, uncontrolled descent, and…
- [NTSB MIA05CA038](https://openairdocs.org/ntsb/MIA05CA038.md): Steven W. Jones KR2 · Zellwood, FL · Accident · No injuries · Data collection · Final report · Oct 30, 2004 · N212KR · Substantial damage
  > The failure of the pilot to maintain directional control during landing resulting in the on-ground collision with a drainage ditch.
- [NTSB ATL05LA017](https://openairdocs.org/ntsb/ATL05LA017.md): David Nielson Ison Hi-Max 1700 · Hendersonville, NC · Accident · Serious injuries · Limited investigation · Final report · Oct 30, 2004 · N105DN · Substantial damage
  > The pilot's failure to maintain airspeed which resulted in an inadvertent stall/spin and subsequent in-flight collision with terrain.
- [NTSB NYC05LA012](https://openairdocs.org/ntsb/NYC05LA012.md): Douglas Adventure Air Ampib · Pawtucket, RI · Accident · 1 fatal · Limited investigation · Final report · Oct 29, 2004 · N469PD · Destroyed
  > The pilot's failure to maintain aircraft control, which resulted in an inadvertent stall.
- [NTSB DFW05LA012](https://openairdocs.org/ntsb/DFW05LA012.md): Huber DR 107 · Fletcher, OK · Accident · 1 fatal · Limited investigation · Final report · Oct 28, 2004 · N255HR · Destroyed
  > The pilot's inadequate planning/decision to conduct an aerobatic maneuver without sufficient altitude to recover.
- [NTSB LAX05LA014](https://openairdocs.org/ntsb/LAX05LA014.md): AMS Flight Carat A · Minden, NV · Accident · 1 fatal · Limited investigation · Final report · Oct 23, 2004 · N418AP · Destroyed
  > the pilot's likely inadvertent entry into instrument meteorological conditions created by the rapidly changing cloud conditions that resulted in his spatial disorientation and exceeding the glider's ultimate design loads while in a spiral dive, which resulted…
- [NTSB SEA05LA133](https://openairdocs.org/ntsb/SEA05LA133.md): Aero Vodochody Aero. Works L-39C · Hyak, WA · Accident · 2 fatal · Limited investigation · Final report · Oct 19, 2004 · N39TJ · Destroyed
  > The loss of aircraft control during climb to cruise due to an undetermined flight control malfunction.
- [NTSB ATL05LA005](https://openairdocs.org/ntsb/ATL05LA005.md): Moody Easy Riser · Augusta, GA · Accident · Serious injuries · Limited investigation · Final report · Oct 17, 2004 · N87EZ · Substantial damage
  > The pilot's failure to maintain airspeed which resulted in an inadvertent stall/spin, and subsequent collision with the ground.
- [NTSB CHI05CA005](https://openairdocs.org/ntsb/CHI05CA005.md): Buss Rotorway Exec · Eden Prairie, MN · Accident · No injuries · Data collection · Final report · Oct 9, 2004 · N82DR · Substantial damage
  > The pilot's inadvertent deactivation of the battery switch leading to the helicopter's loss of engine power on base leg. A factor was the crops he encountered during the emergency landing.
- [NTSB ANC05LA003](https://openairdocs.org/ntsb/ANC05LA003.md): Scan 30 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Oct 9, 2004 · N701Q · Substantial damage
  > An in-flight fire during cruise flight for an undetermined reason.
- [NTSB SEA05LA008](https://openairdocs.org/ntsb/SEA05LA008.md): Higgins Acro-Sport II · Coeur d'Alene, ID · Accident · No injuries · Limited investigation · Final report · Oct 2, 2004 · N214JH · Substantial damage
  > The airplane's wood propeller separated from the airplane during cruise. A factor was the ditch that the airplane impacted during the landing roll subsequent to the forced landing.
- [NTSB DEN05FA002](https://openairdocs.org/ntsb/DEN05FA002.md): Sukhoi SU-29 · Santa Fe, NM · Accident · 1 fatal · Field investigation · Final report · Oct 2, 2004 · N92CG · Destroyed
  > the pilot's failure to maintain aircraft control resulting in the inverted spin, spiral, and subsequent impact with terrain. Factors contributing to the accident were the inadvertent stall spin, the spiral, low altitude, and the pilot's delayed attempt to…
- [NTSB FTW04CA240](https://openairdocs.org/ntsb/FTW04CA240.md): Carter-Jones Volmer Sportsman · Grand Prarie, TX · Accident · No injuries · Data collection · Final report · Sep 23, 2004 · N70HR · Substantial damage
  > The pilot's failure to complete a pre-landing checklist, which resulted in a gear down landing on the water. A factor was the pilot's diverted attention as a result of abnormal engine indications.
- [NTSB FTW04CA242](https://openairdocs.org/ntsb/FTW04CA242.md): Piper PA-28-181 · Haskell, TX · Accident · Minor injuries · Data collection · Final report · Sep 21, 2004 · N282HP · Substantial damage
  > The pilot's improper inflight planning which resulted in a loss of engine power due to fuel exhaustion. A factor was the lack of suitable terrain for the forced landing.
- [NTSB LAX04LA322](https://openairdocs.org/ntsb/LAX04LA322.md): Wolf Glassair IIS · Mesa, AZ · Accident · 2 fatal · Limited investigation · Final report · Sep 18, 2004 · N110UX · Destroyed
  > a partial loss of power for undetermined reasons, and, the failure of the pilot to maintain an adequate airspeed while maneuvering for a forced landing that resulted in a stall and a collision with terrain.
- [NTSB CHI04IA260](https://openairdocs.org/ntsb/CHI04IA260.md): McDonnell Douglas DC-9-82 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Sep 16, 2004 · N253AA · Minor damage
  > An in-flight collision with a flock of birds during climb out after takeoff, which damaged the left engine fan module and ruptured a fuel line to the fuel-oil cooler causing an engine fire.
- [NTSB LAX04CA316](https://openairdocs.org/ntsb/LAX04CA316.md): Smith S-51D · Lancaster, CA · Accident · No injuries · Data collection · Final report · Sep 12, 2004 · N51VS · Substantial damage
  > the pilot's misjudged landing flare, failure to correct the descent rate, and failure to execute a go-around during an unstablized landing approach.
- [NTSB LAX04LA313](https://openairdocs.org/ntsb/LAX04LA313.md): Redgate Europa Classic · Marble Canyon, AZ · Accident · 2 fatal · Limited investigation · Final report · Sep 2, 2004 · N912EE · Destroyed
  > an in-flight collision with terrain for undetermined reasons.
- [NTSB NYC04LA201](https://openairdocs.org/ntsb/NYC04LA201.md): PZL 101 · Chazy, NY · Accident · No injuries · Limited investigation · Final report · Aug 31, 2004 · N123LZ · Substantial damage
  > The total loss of engine power due to the fractured crankshaft.
- [NTSB ANC04LA098](https://openairdocs.org/ntsb/ANC04LA098.md): de Havilland DHC-3 · McGrath, AK · Accident · 1 fatal · Limited investigation · Final report · Aug 28, 2004 · N197TT · Destroyed
  > The pilot's inadequate in-flight planning/decision making, his continued VFR flight into instrument meteorological conditions, and his failure to maintain obstacle clearance. Factors contributing to the accident were low ceilings due to smoke, rain, and mist.
- [NTSB CHI04LA245](https://openairdocs.org/ntsb/CHI04LA245.md): Fall Cub · Rockville, IN · Accident · Serious injuries · Limited investigation · Final report · Aug 21, 2004 · N25MF · Substantial damage
  > The fuel starvation encountered due to the builder's inadequate fuel system design and the subsequent loss of engine power during a maneuver for the landing approach. Factors were the tree and corn.
- [NTSB ANC04LA093](https://openairdocs.org/ntsb/ANC04LA093.md): Hudson Hiperbipe SNS-7 · Palmer, AK · Accident · 1 fatal · Limited investigation · Final report · Aug 18, 2004 · N898DH · Destroyed
  > The pilot's failure to maintain control of the airplane, which resulted in an uncontrolled descent and subsequent in-flight collision with trees. A factor associated with the accident was a low altitude maneuver preformed by the pilot just after takeoff.
- [NTSB MIA04LA111](https://openairdocs.org/ntsb/MIA04LA111.md): Robert J. Labonte Defiant · DeLand, FL · Accident · No injuries · Limited investigation · Final report · Jul 23, 2004 · N369BL · Substantial damage
  > The failure of the pilot to fully extend the nose landing gear resulting in collapse of it during the landing roll. A contributing factor in the accident was the lack of a nose landing gear down and locked indicator.
- [NTSB FTW04LA196](https://openairdocs.org/ntsb/FTW04LA196.md): Everett Vidrine Dragonfly · Covington, LA · Accident · Minor injuries · Limited investigation · Final report · Jul 23, 2004 · N89VE · Substantial damage
  > the pilot's inadequate preflight planning which failed to assure adequate takeoff performance for the airplane to clear obstacles. A contributing factor was the pilot's failure to abort the takeoff.
- [NTSB LAX04LA274](https://openairdocs.org/ntsb/LAX04LA274.md): Finke Rotorway Exec 162F · Cameron Park, CA · Accident · 1 fatal · Limited investigation · Final report · Jul 21, 2004 · N103RW · Destroyed
  > The owner-builder's improper main rotor blade (MRB) maintenance/installation by under torquing the blade retaining nut.
- [NTSB DEN04LA108](https://openairdocs.org/ntsb/DEN04LA108.md): Davis-Zenair Stol CH 801 · Erie, CO · Accident · No injuries · Limited investigation · Final report · Jul 21, 2004 · N10627 · Substantial damage
  > impact with terrain during a forced landing following a loss of engine power for underdetermined reasons. A contributing factor was the lack of suitable terrain for a forced landing.
- [NTSB FTW04CA192](https://openairdocs.org/ntsb/FTW04CA192.md): Rotorway Exec · Conroe, TX · Accident · Minor injuries · Data collection · Final report · Jul 20, 2004 · N342RD · Destroyed
  > The loss of engine power due to the tripped fuel pump circuit breaker which resulted in the failure of the electric fuel pump.
- [NTSB CHI04CA190](https://openairdocs.org/ntsb/CHI04CA190.md): Selby Dean KR-2-SS · Lake Elmo, MN · Accident · No injuries · Data collection · Final report · Jul 15, 2004 · N299DS · Substantial damage
  > The pilot's inadequate compensation for wind conditions and his failure to maintain aircraft control. A related factor was the crosswind.

Next page: https://openairdocs.org/ntsb.md?engine=99999&page=22

## 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=21

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