# NTSB investigations, 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.

Page 5 of 50 · 2,479 cases

## Cases, newest first

- [NTSB NYC91DNE01](https://openairdocs.org/ntsb/NYC91DNE01.md): Craig A. Gordon Teenie TWO · Oxford, CT · Accident · No injuries · Final report · Nov 16, 1990 · N199MG · Substantial damage
  > The failure of the pilot to maintain airspeed which resulted in an inadvertent stall and hard landing. Factors related to the accident were: the power loss and improper maintenance on the engine.
- [NTSB MIA91WA030](https://openairdocs.org/ntsb/MIA91WA030.md): Boeing 727-200 · Curacao, NT · Incident · No injuries · Foreign investigation · Nov 16, 1990 · 6YJMO · Minor damage
- [NTSB LAX91LA034](https://openairdocs.org/ntsb/LAX91LA034.md): Aerospatiale AS-350-B · Kahului, HI · Accident · Minor injuries · Limited investigation · Final report · Nov 16, 1990 · N350CB · Substantial damage
  > The pilot's inadvertent deactivation of the helicopter's hydraulic boost system and his improper remedial action thereafter to the inflight situations which he created. A contributing factor was related to the manufacturer's inadequate location and design…
- [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 BFO91LA015](https://openairdocs.org/ntsb/BFO91LA015.md): Piper PA-23-250 · Milton, KY · Accident · No injuries · Limited investigation · Final report · Nov 16, 1990 · N6996A · Substantial damage
  > The in-flight failure of both engines due to the pilot's mismanagement of the fuel system.
- [NTSB ATL91TL#01](https://openairdocs.org/ntsb/ATL91TL%2301.md): Aero Commander 690A · Montgomery, AL · Accident · No injuries · Class 3 · Final report · Nov 16, 1990 · N8535 · Substantial damage
- [NTSB SEA91LA016](https://openairdocs.org/ntsb/SEA91LA016.md): Cessna 172A · Brigham City, UT · Accident · Serious injuries · Limited investigation · Final report · Nov 15, 1990 · N5030A · Substantial damage
  > The pilot did not maintain a proper climb rate.
- [NTSB SEA91LA015](https://openairdocs.org/ntsb/SEA91LA015.md): Grumman American AA-1C · Port Townsend, WA · Accident · Minor injuries · Limited investigation · Final report · Nov 15, 1990 · N9583U · Destroyed
  > The pilot's failure to use carburetor heat which resulted in a loss of engine power and a forced landing.
- [NTSB NYC91LA028](https://openairdocs.org/ntsb/NYC91LA028.md): Piper PA-24-250 · North Hampton, MA · Accident · No injuries · Limited investigation · Final report · Nov 15, 1990 · N6384P · Substantial damage
  > Loss of directional control after landing.
- [NTSB NYC91DNA01](https://openairdocs.org/ntsb/NYC91DNA01.md): Bell 47-G3-B · Nantucket, MA · Accident · No injuries · Final report · Nov 15, 1990 · N2921W · Destroyed
  > A hard landing, after a power loss due to improper use of the carburetor heat control by the pilot.
- [NTSB LAX91WA031](https://openairdocs.org/ntsb/LAX91WA031.md): Britten-Norman BN-2A · Pohnpei (Pacific Ocean) · Accident · No injuries · Foreign investigation · Nov 15, 1990 · N87877 · Destroyed
- [NTSB BFO91LA014](https://openairdocs.org/ntsb/BFO91LA014.md): Hughes 269C · Louisville, KY · Accident · No injuries · Limited investigation · Final report · Nov 15, 1990 · N9280F · Substantial damage
  > Fatigue failure of the number 1 cylinder connecting rod.
- [NTSB LAX91LA029](https://openairdocs.org/ntsb/LAX91LA029.md): Cessna 150F · San Diego, CA · Accident · No injuries · Limited investigation · Final report · Nov 14, 1990 · N8247S · Substantial damage
  > The failure of the student pilot to maintain an adequate airspeed while maneuvering in the traffic pattern; maintain control of the aircraft and the inadvertent stall mush. A factor in the accident was the pilot's limited total expereince.
- [NTSB CHI91LA027](https://openairdocs.org/ntsb/CHI91LA027.md): Piper PA-23-250 · Lindstrom, MN · Accident · No injuries · Limited investigation · Final report · Nov 14, 1990 · N653AA · Substantial damage
  > Left engine failure for an undetermined reason. A factor related to the accident was: unsuitable terrain.
- [NTSB NYC91LA027](https://openairdocs.org/ntsb/NYC91LA027.md): Cessna 404 · Pittsburgh, PA · Accident · No injuries · Limited investigation · Final report · Nov 13, 1990 · N54SA · Substantial damage
  > A failure of nose landing gear retraction cylinder attach points which allowed the nose landing gear to collapse.
- [NTSB MIA91LA026](https://openairdocs.org/ntsb/MIA91LA026.md): Piper PA-38-112 · Fort Pierce, FL · Accident · No injuries · Limited investigation · Final report · Nov 13, 1990 · N25109 · Substantial damage
  > Improper preflight decision of the instructor pilot to allow the student to takeoff from the soft grass runway and his failure to abort the takeoff.
- [NTSB MIA91GA025](https://openairdocs.org/ntsb/MIA91GA025.md): Beech A-90 · Crestview, FL · Accident · 3 fatal · Final report · Nov 13, 1990 · N2EP · Destroyed
  > The pilot-in-command/cfi improper supervision of the dual student. This resulted in an in flight loss of control, and collision with terrain for failure to maintain minimum control airspeed (VMC) while conducting a simulated emergency procedure.
- [NTSB CHI91LA029](https://openairdocs.org/ntsb/CHI91LA029.md): Cessna 152 · Kokomo, IN · Accident · No injuries · Limited investigation · Final report · Nov 13, 1990 · N757MT · Substantial damage
  > The student pilot's improper recovery from a bounced landing, resulting inadvertent porpoising.
- [NTSB ANC91LA013](https://openairdocs.org/ntsb/ANC91LA013.md): Cessna U-206 · Montague Island, AK · Accident · No injuries · Limited investigation · Final report · Nov 13, 1990 · N4756U · Substantial damage
  > Pilot-in-command's failure to maintain aircraft control during landing.
- [NTSB LAX91LA028](https://openairdocs.org/ntsb/LAX91LA028.md): Piper PA-44-180 · Prescott, AZ · Accident · No injuries · Limited investigation · Final report · Nov 12, 1990 · N39776 · Substantial damage
  > The failure of the main landing gear trunion attach fitting for undetermined reasons.
- [NTSB FTW91LA014](https://openairdocs.org/ntsb/FTW91LA014.md): Cessna 140 · Roanoake, TX · Accident · No injuries · Limited investigation · Final report · Nov 12, 1990 · N2021N · Substantial damage
  > The pilot's failure to maintain directional control. A factor was his lack of flying tail wheel (conventional) gear airplanes.
- [NTSB DEN91FA017](https://openairdocs.org/ntsb/DEN91FA017.md): Cessna T210L · Aspen, CO · Accident · 4 fatal · Field investigation · Final report · Nov 12, 1990 · N732DS · Destroyed
  > Improper planning/decision by the pilot and his failure to maintain adequate airspeed, while turning over high terrain beside the airport, which resulted in an inadvertent stall. Factors related to the accident were: excessive gross weight of the aircraft,…
- [NTSB BFO91LA012](https://openairdocs.org/ntsb/BFO91LA012.md): Taylor Rotorway Executive · Keysville, VA · Accident · Minor injuries · Limited investigation · Final report · Nov 12, 1990 · N514RT · Substantial damage
  > A jammed engine throttle cable. Factors related to the accident are inadequate maintenance inspection and low rotor RPM.
- [NTSB NYC91LA026](https://openairdocs.org/ntsb/NYC91LA026.md): Piper PA-28-161 · Saxton, PA · Accident · Minor injuries · Limited investigation · Final report · Nov 11, 1990 · N2972D · Substantial damage
  > An engine failure due to fuel starvation and the subsequent forced landing in unsuitable terrain. Factors related to the accident were the cfi's inadequate execution of emergency procedures.
- [NTSB MIA91LA024](https://openairdocs.org/ntsb/MIA91LA024.md): Cessna 152 · West Palm Beach, FL · Accident · No injuries · Limited investigation · Final report · Nov 11, 1990 · N68744 · Substantial damage
  > Pilot-in-command's failure to land on a runway that was more aligned with the wind. Factors were: crosswind and lack of total experience.
- [NTSB LAX91LA027](https://openairdocs.org/ntsb/LAX91LA027.md): Cessna 177A · Dana Point, CA · Accident · Minor injuries · Limited investigation · Final report · Nov 11, 1990 · N30438 · Substantial damage
  > The pilot's improper fuel consumption calculations.
- [NTSB FTW91LA013](https://openairdocs.org/ntsb/FTW91LA013.md): Piper PA-28R-200 · Fort Worth, TX · Accident · No injuries · Limited investigation · Final report · Nov 11, 1990 · N8733E · Substantial damage
  > The pilot's misjudgment of airplane attitude, airspeed and distance while on final approach. A factor was the instructor pilot's inadequate supervision.
- [NTSB DEN91LA016](https://openairdocs.org/ntsb/DEN91LA016.md): Fogarty Pitts S1SEW · Bennett, CO · Accident · No injuries · Limited investigation · Final report · Nov 11, 1990 · N87PF · Substantial damage
  > The pilot's failure to refuel the airplane and the resultant fuel exhaustion induced power loss. A factor was the soft terrain in which the forced landing was performed.
- [NTSB CHI91LA028](https://openairdocs.org/ntsb/CHI91LA028.md): Piper PA-24-250 · Oswego, KS · Accident · No injuries · Limited investigation · Final report · Nov 11, 1990 · N6981P · Substantial damage
  > Fuel starvation due to improper placement of the fuel tank selector by the pilot.
- [NTSB CHI91FA026](https://openairdocs.org/ntsb/CHI91FA026.md): Cessna 182D · Walker, MI · Accident · 1 fatal · Field investigation · Final report · Nov 11, 1990 · N9075X · Destroyed
  > VFR flight into IMC conditions. Factors related to the accident are failure to obtain a preflight weather briefing, becoming lost/disoriented, induction air filter icing, excessive workload, and lack of total experience in type of operation.
- [NTSB ATL91IA017](https://openairdocs.org/ntsb/ATL91IA017.md): Fokker F28 MK0100 · Atlanta, GA · Incident · No injuries · Incident investigation · Final report · Nov 11, 1990 · N850US · No damage
  > Frozen moisture in the stabilizer actuator hydraulic servo valve which resulted in reduced movement of the servo valve and limited its ability to respond to flight control inputs. The lack of response from the servo valve resulted in the jammed stabilizer…
- [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 LAX91LA026](https://openairdocs.org/ntsb/LAX91LA026.md): Robinson R-22B · Paso Robles, CA · Accident · No injuries · Limited investigation · Final report · Nov 10, 1990 · N26610 · Substantial damage
  > The pilot's delay in taking appropriate remedial action. A factor in the accident was the flight's encounter with a tailwind during the termination phase of the auto rotation.
- [NTSB LAX91LA025](https://openairdocs.org/ntsb/LAX91LA025.md): Cessna 182Q · Pacoima, CA · Accident · Serious injuries · Limited investigation · Final report · Nov 10, 1990 · N759ED · Destroyed
  > An engine failure for undetermined reasons.
- [NTSB DEN91DQA01](https://openairdocs.org/ntsb/DEN91DQA01.md): Young 2/3 Scale · Alamogordo, NM · Accident · 1 fatal · Final report · Nov 10, 1990 · N51DY · Destroyed
  > Partial loss of engine power for an undetermined reason, improper planning/decision by the pilot, and the pilot's failure to maintain adequate airspeed, which resulted in an inadvertent stall.
- [NTSB ATL91IA016](https://openairdocs.org/ntsb/ATL91IA016.md): Saab-Scania 340A · Memphis, TN · Incident · No injuries · Incident investigation · Final report · Nov 10, 1990 · N322PX · No damage
  > The pilot's failure to follow approved procedures for troubleshooting inflight maintenance problems and improperly used the flight and engine controls.
- [NTSB NYC91LA041](https://openairdocs.org/ntsb/NYC91LA041.md): Cessna 152 · Zanesville, OH · Accident · No injuries · Limited investigation · Final report · Nov 9, 1990 · N757FW · Substantial damage
  > Improper use of carburetor heat by the pilot, which resulted in a loss of power due to carburetor ice. Factors related to the accident were: carburetor icing (weather) conditions and soft terrain in the emergency landing area.
- [NTSB MIA91FA023](https://openairdocs.org/ntsb/MIA91FA023.md): Cessna 421B · Flamingo, FL · Accident · 3 fatal · Field investigation · Final report · Nov 9, 1990 · N21ST · Destroyed
  > An undetermined airframe/component/system failure/malfunction, which resulted in a fuel fed fire in the left wing.
- [NTSB FTW91FA012](https://openairdocs.org/ntsb/FTW91FA012.md): Piper 601P · Nacogdoches, TX · Accident · 5 fatal · Field investigation · Final report · Nov 9, 1990 · N23NS · Destroyed
  > Failure of the pilot to follow IFR procedures and maintain the proper altitude. Factors related to the accident were: the adverse weather conditions, dark night, low fuel state of the aircraft, and trees at the accident site.
- [NTSB CHI91DEP02](https://openairdocs.org/ntsb/CHI91DEP02.md): Cessna 172P · Hayward, WI · Accident · Serious injuries · Final report · Nov 9, 1990 · N64406 · Destroyed
  > The pilot-in-command's intentional flight into known adverse weather.
- [NTSB BFO91LA011](https://openairdocs.org/ntsb/BFO91LA011.md): Fairchild SA227-AC · Covington, KY · Accident · No injuries · Limited investigation · Final report · Nov 9, 1990 · N445AC · Substantial damage
  > The pilot-in-command's failure to extend the landing gear prior to touchdown. Checkride-induced pressure was a contributing factor, and inadequate supervision by the check pilot was a factor.
- [NTSB SEA91LA014](https://openairdocs.org/ntsb/SEA91LA014.md): Cessna 402B · Pocatello, ID · Accident · No injuries · Limited investigation · Final report · Nov 8, 1990 · N1683T · Substantial damage
  > The loss of engine power due to a burned piston resulting from arcing and partial failure of the left magneto because of improper overhaul, the contamination of the right magneto and improper adjustment of the fuel system at the last major engine overhaul;…
- [NTSB SEA91LA013](https://openairdocs.org/ntsb/SEA91LA013.md): Aerospatiale SA315B Lama · Trout Lake, WA · Accident · Minor injuries · Limited investigation · Final report · Nov 8, 1990 · N36012 · Destroyed
  > The pilot's failure to maintain clearance from an obstacle.
- [NTSB NYC91FA025](https://openairdocs.org/ntsb/NYC91FA025.md): Beech A36 · Bradford, PA · Accident · 2 fatal · Field investigation · Final report · Nov 8, 1990 · N422M · Destroyed
  > The pilot's failure to maintain adequate terrain clearance while maneuvering to land during an instrument approach. Factors related to the accident were: the pilot's failure to obtain a weather briefing prior to departure, his delayed decision to make an…
- [NTSB CHI91LA025](https://openairdocs.org/ntsb/CHI91LA025.md): Piper PA-32-260 · Latham, KS · Accident · No injuries · Limited investigation · Final report · Nov 8, 1990 · N5536J · Substantial damage
  > Failure of the pilot to maintain a proper altitude.
- [NTSB BFO91DID01](https://openairdocs.org/ntsb/BFO91DID01.md): Aeronca Champion 7BCM · Suffolk, VA · Accident · 2 fatal · Final report · Nov 8, 1990 · N7702B · Destroyed
  > A loss of engine power due to low cylinder compression. The low compression was a result of exhaust valve leakage and inadequate maintenance and inspection. In addition, the pilot failed to maintain adequate airspeed which resulted in the airplane stalling.
- [NTSB DEN91LA018](https://openairdocs.org/ntsb/DEN91LA018.md): Piper PA-23-250 · Abilene, TX · Accident · No injuries · Limited investigation · Final report · Nov 7, 1990 · N6078Y · Substantial damage
  > An in flight encounter with turbulence. Factors were the pilot's inadequate aircraft preflight.
- [NTSB ANC91LA012](https://openairdocs.org/ntsb/ANC91LA012.md): Cessna 170A · Healy, AK · Accident · No injuries · Limited investigation · Final report · Nov 7, 1990 · N5468C · Substantial damage
  > The loss of engine power for undetermined reasons and the lack of suitable terrain for a forced landing.
- [NTSB ANC91LA011](https://openairdocs.org/ntsb/ANC91LA011.md): Piper PA-18-150 · Thorne Bay, AK · Accident · Minor injuries · Limited investigation · Final report · Nov 7, 1990 · N9786P · Substantial damage
  > The pilot's delay in aborting the takeoff.
- [NTSB MIA91IA022](https://openairdocs.org/ntsb/MIA91IA022.md): Aerospatiale ATR-42-300 · San Juan, PR · Incident · No injuries · Incident investigation · Final report · Nov 6, 1990 · N972NA · No damage
  > The improper use of aileron trim and the improper preparation for auto pilot disconnect by the flight crew combined with excessive forces applied by the aileron trim system resulting in a departure from controlled flight. Contributing factors to the incident…

Next page: https://openairdocs.org/ntsb.md?year=1990&page=6

## 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
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?page=5&year=1990

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