# NTSB investigations: Amateur-built UNKNOWN ENG, 1990

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 SEA91LA031](https://openairdocs.org/ntsb/SEA91LA031.md): Beech 3NM · Bozeman, MT · Accident · No injuries · Limited investigation · Final report · Dec 9, 1990 · N9159B · Substantial damage
  > The failure of the right engine master rod.
- [NTSB MIA91IA032](https://openairdocs.org/ntsb/MIA91IA032.md): ATR ATR-42-300 · St. Thomas · Incident · No injuries · Incident investigation · Final report · Nov 26, 1990 · N971NA · Minor damage
  > The failure of the left main landing gear side brace lower arm due to fatigue resulting from corrosion formation, which resulted from improper design to prevent corrosion formation.
- [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 LAX91DUJ03](https://openairdocs.org/ntsb/LAX91DUJ03.md): Air Tractor AT-302 · Somerton, AZ · Accident · No injuries · Final report · Nov 16, 1990 · N4441S · Substantial damage
  > The failure of the number 3 exhaust valve which led to an engine failure and subsequent crash landing.
- [NTSB LAX91TL#02](https://openairdocs.org/ntsb/LAX91TL%2302.md): McDonnell Douglas 369E · Llano, CA · Accident · Minor injuries · Class 3 · Final report · Nov 10, 1990 · N234RF · Substantial damage
- [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 MIA91FA001](https://openairdocs.org/ntsb/MIA91FA001.md): Erik K. Van Der Kaay Marco J-5 · Clearwater, FL · Accident · 1 fatal · Field investigation · Final report · Oct 2, 1990 · N10EK · Destroyed
  > The pilot's inadvertent deployment of the air brakes at a low altitude.
- [NTSB NYC90DHM26](https://openairdocs.org/ntsb/NYC90DHM26.md): Palen Sopwith Dolphin · Reinbeck, NY · Accident · No injuries · Final report · Sep 30, 1990 · N47166 · Substantial damage
  > Undetermined engine failure during low altitude operations.
- [NTSB CHI90LA274](https://openairdocs.org/ntsb/CHI90LA274.md): Burkhart Grob 109A · Waukesha, WI · Accident · Minor injuries · Limited investigation · Final report · Sep 26, 1990 · N912G · Substantial damage
  > The pilot's failure to maintain adequate clearance and visual lookout for the moving tractor.
- [NTSB ANC90LA135](https://openairdocs.org/ntsb/ANC90LA135.md): Aerospatiale SA-315B · Tok, AK · Accident · Serious injuries · Limited investigation · Final report · Aug 7, 1990 · N58000 · Substantial damage
  > Improper installation of the fuel filter element in the aircraft by company/maintenance personnel, and subsequent contamination of the fuel system by unfiltered fuel. Factors related to the accident were: inadequate design of the fuel filter assembly, which…
- [NTSB CHI90DER04](https://openairdocs.org/ntsb/CHI90DER04.md): BD 4- Francisco BD-4 · Rosemount, MN · Accident · Minor injuries · Final report · Jul 31, 1990 · N853BF · Substantial damage
  > Failure of the manufacturer (amateur built) to design fuel system adequately to prevent vapor lock in fuel line.
- [NTSB SEA90LA150](https://openairdocs.org/ntsb/SEA90LA150.md): Glasflugel H 301 Libelle · Thompson Falls, MT · Accident · No injuries · Limited investigation · Final report · Jul 29, 1990 · N4166A · Substantial damage
  > A disabled aircraft blocking the active runway.
- [NTSB MKC90LA145](https://openairdocs.org/ntsb/MKC90LA145.md): Monnett Sonerai II · Cherokee, IA · Accident · Minor injuries · Limited investigation · Final report · Jul 13, 1990 · N2MX · Substantial damage
  > Aircraft control not maintained by the pilot in command.
- [NTSB SEA90LA117](https://openairdocs.org/ntsb/SEA90LA117.md): Dickey E-RACER · Jackpot, NV · Accident · No injuries · Limited investigation · Final report · Jul 1, 1990 · N131RD · Substantial damage
  > An undetermined failure or anomaly of the exhaust system, which resulted in an in-flight fire of the fiberglass structure of the aircraft and failure of the aircraft braking system.
- [NTSB NYC90LA143](https://openairdocs.org/ntsb/NYC90LA143.md): Boeing A75L3 · Groton, CT · Accident · 1 fatal · Limited investigation · Final report · Jun 30, 1990 · N1205V · Substantial damage
  > An impact with the ground following an improperly executed roll with insufficient altitude for recovery. Factors related to the accident were improper use of the flight controls by the pilot.
- [NTSB ATL90LA134](https://openairdocs.org/ntsb/ATL90LA134.md): Hughes 269C · Saluda, SC · Accident · No injuries · Limited investigation · Final report · Jun 22, 1990 · N7448F · Substantial damage
  > Pilot's failure to properly plan for high density altitude operations, which resulted in settling with power to the ground.
- [NTSB SEA90LA106](https://openairdocs.org/ntsb/SEA90LA106.md): Hughes 369HS · Randle, WA · Accident · No injuries · Limited investigation · Final report · Jun 21, 1990 · N4428F · Substantial damage
  > The pilot failed to compensate for the wind conditions.
- [NTSB MKC90LA132](https://openairdocs.org/ntsb/MKC90LA132.md): Piper PA-36-400 · Altheimer, AR · Accident · No injuries · Limited investigation · Final report · Jun 16, 1990 · N57706 · Substantial damage
  > Directional control was not maintained by the pilot in command. Contributing factors were landing with a tailwind. Compensation for wind conditions not considered and selection of the wrong runway.
- [NTSB FTW90DPJ08](https://openairdocs.org/ntsb/FTW90DPJ08.md): De Havilland Venom 112 MK4 · Muskogee, OK · Accident · 1 fatal · Final report · Jun 8, 1990 · N902DM · Destroyed
  > The pilot's premature rotation and the subsequent stall. A factor was the pilot's lack of experience in the airplane.
- [NTSB NYC90LA124](https://openairdocs.org/ntsb/NYC90LA124.md): Burkhart Grob G103 · Barre, MA · Accident · Minor injuries · Limited investigation · Final report · Jun 2, 1990 · N3836H · Substantial damage
  > The premature commanded tow release by the towplane pilot over unsuitable terrain.
- [NTSB MKC90LA118](https://openairdocs.org/ntsb/MKC90LA118.md): Grumman G-164A · Morton, AR · Accident · No injuries · Limited investigation · Final report · May 26, 1990 · N6636Q · Substantial damage
  > The pilot's failure to maintain directional control due to inadequate compensation for wind conditions.
- [NTSB SEA90LA082](https://openairdocs.org/ntsb/SEA90LA082.md): Robert Van Scoyoc Soneria IIL · Ellensburg, WA · Accident · No injuries · Limited investigation · Final report · May 21, 1990 · N3229Z · Substantial damage
  > The loss of engine power due to carburetor icing, caused by the pilot's failure to apply carburetor heat. Factors in the accident were the carburetor icing weather conditions and the lack of suitable terrain for forced landing.
- [NTSB LAX90LA164](https://openairdocs.org/ntsb/LAX90LA164.md): Bell 47G · Riverside, CA · Accident · Minor injuries · Limited investigation · Final report · May 4, 1990 · N9FK · Substantial damage
  > The pilot's failure to maintain control of the helicopter. A factor related to the accident was: the pilot's lack of experience in the type of aircraft.
- [NTSB LAX90LA142](https://openairdocs.org/ntsb/LAX90LA142.md): Cessna 140 · Chico, CA · Accident · Minor injuries · Limited investigation · Final report · Apr 10, 1990 · N76918 · Substantial damage
  > Fuel starvation due to unporting of the fuel pick up in the fuel tank selected for the takeoff.
- [NTSB ATL90FA095](https://openairdocs.org/ntsb/ATL90FA095.md): Embraer EMB-120 · Gadsden, AL · Accident · 2 fatal · Field investigation · Final report · Apr 9, 1990 · N217AS · 2 aircraft · Substantial damage
  > Inadequate visual lookout by the pilots of both aircraft, which resulted in their failure to see-and-avoid oncoming traffic. A factor related to the accident was: the sun's glare, which restricted the vision of the Cessna 172 pilot.
- [NTSB ATL90FA070](https://openairdocs.org/ntsb/ATL90FA070.md): Beech 58 · Demorest, GA · Accident · 2 fatal · Field investigation · Final report · Mar 9, 1990 · N7233R · Destroyed
  > The pilot's failure to maintain control of the airplane while in instrument meteorological conditions. Contributing factors were: the pilot's overconfidence, lack of recent flight experience, and the weather conditions.
- [NTSB MIA90IA070](https://openairdocs.org/ntsb/MIA90IA070.md): Boeing 727-225A · Sarasota, FL · Incident · No injuries · Incident investigation · Final report · Feb 13, 1990 · N8889Z · Minor damage
  > Improper servicing of the forward lavatory by contract service personnel.
- [NTSB FTW90DRA02](https://openairdocs.org/ntsb/FTW90DRA02.md): North American P-51-D · Galveston, TX · Accident · Serious injuries · Final report · Jan 24, 1990 · N5483V · Destroyed
  > The pilot in command's failure to obtain a weather briefing. Ontributing to the accident was his inadequate inflight planning and the resultant low fuel state.

## 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") = 1990
  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&year=1990

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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.