# NTSB investigations, 1990, MD

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 BFO91LA022](https://openairdocs.org/ntsb/BFO91LA022.md): Piper PA-32R · Mitchellville, MD · Accident · No injuries · Limited investigation · Final report · Dec 30, 1990 · N6945J · Substantial damage
  > Pilot failure to maintain altitude clearance above an obstacle after the aircraft encountered a downdraft.
- [NTSB BFO91LA019](https://openairdocs.org/ntsb/BFO91LA019.md): Cessna 152 · Mitchellville, MD · Accident · No injuries · Limited investigation · Final report · Dec 7, 1990 · N68243 · Substantial damage
  > Failure of the student pilot to maintain control of the aircraft, and inadequate supervision by the instructor pilot (CFI). Factors related to the accident were: inadequate preflight of the aircraft by the pilot(s) and in-flight opening of the door.
- [NTSB NYC91LA037](https://openairdocs.org/ntsb/NYC91LA037.md): Cessna 152 · Indian Head, MD · Accident · No injuries · Limited investigation · Final report · Nov 25, 1990 · N757MP · Substantial damage
  > The flight instructors decision to land with insufficient runway remaining to stop the airplane which resulted in an overrun.
- [NTSB BFO91FA008](https://openairdocs.org/ntsb/BFO91FA008.md): Piper PA-28-181 · Elkton, MD · Accident · Serious injuries · Field investigation · Final report · Oct 30, 1990 · N4321M · Destroyed
  > Loss of engine power for an undetermined reason, and the pilot's failure to maintain adequate airspeed, which resulted in a stall and an inflight collision with the terrain.
- [NTSB BFO91LA007](https://openairdocs.org/ntsb/BFO91LA007.md): Cessna 185 · Ridgely, MD · Accident · No injuries · Limited investigation · Final report · Oct 27, 1990 · N1555F · Destroyed
  > The loss of engine power for undetermined reasons.
- [NTSB BFO91LA002](https://openairdocs.org/ntsb/BFO91LA002.md): Cessna 150 · Indian Head, MD · Accident · No injuries · Limited investigation · Final report · Oct 8, 1990 · N6439G · Substantial damage
  > The student pilot's failure to maintain adequate aircraft control during the landing flare/touchdown. Contributing factors are his lack of total flight experience and his improper technique when raising flaps during an attempted go-around.
- [NTSB BFO91LA001](https://openairdocs.org/ntsb/BFO91LA001.md): Beech B23 · Westminster, MD · Accident · No injuries · Limited investigation · Final report · Oct 6, 1990 · N4005T · Substantial damage
  > The pilot's failure to maintain positive directional control during the landing. Improper crosswind compensation and a variable, gusty crosswind were contributing factors.
- [NTSB BFO90FA079](https://openairdocs.org/ntsb/BFO90FA079.md): Hughes 269C · Jefferson, MD · Accident · 1 fatal · Field investigation · Final report · Sep 25, 1990 · N1094D · Destroyed
  > The failure of the tail rotor drive transmission system due to a worn tail rotor splined drive sleeve, and inadequate maintenance and/or inspection by the operator. Contributing to the loss of control was the student pilot's failure to maintain adequate rotor…
- [NTSB BFO90FA077](https://openairdocs.org/ntsb/BFO90FA077.md): Christen Industries A-1 · Middle River, MD · Accident · 1 fatal · Field investigation · Final report · Sep 23, 1990 · N6082P · Destroyed
  > The pilot delayed his recovery from an intentional spin manuever until there was insufficient altitude to recover.
- [NTSB BFO90FA074](https://openairdocs.org/ntsb/BFO90FA074.md): Beech C35 · Forest Hill, MD · Accident · 1 fatal · Field investigation · Final report · Sep 8, 1990 · N1540V · Destroyed
  > The pilot's failure to maintain aircraft control during the turn from base to final approach. A factor was the pilot's abrupt aircraft handling during the turn.
- [NTSB BFO90LA069](https://openairdocs.org/ntsb/BFO90LA069.md): Cessna 170B · Frederick, MD · Accident · No injuries · Limited investigation · Final report · Aug 16, 1990 · N8239A · Substantial damage
  > Fatigue failure of the left main gear wheel axle.
- [NTSB BFO90FA067](https://openairdocs.org/ntsb/BFO90FA067.md): Cessna 150K · Clinton, MD · Accident · No injuries · Field investigation · Final report · Aug 2, 1990 · N6288G · Destroyed
  > Improper planning/decision by the instructor pilot (CFI), which resulted in fuel exhaustion due to an inadequate supply of fuel.
- [NTSB BFO90DIG02](https://openairdocs.org/ntsb/BFO90DIG02.md): Cessna 182J · Frederick, MD · Accident · Minor injuries · Final report · Aug 1, 1990 · N2891F · Substantial damage
  > Failure of the pilot to assure that the magneto (ignition) switch was in the proper position. A factor related to the accident was: partial failure of the magneto switch, which allowed the key to be removed, though the switch was not in the 'off' position.
- [NTSB BFO90FA064](https://openairdocs.org/ntsb/BFO90FA064.md): Piper PA-28-200 · Baltimore, MD · Accident · Serious injuries · Field investigation · Final report · Jul 19, 1990 · N32975 · Destroyed
  > The pilot failed to maintain adequate airspeed which resulted in a stall. Contributing was the loss of power for undetermined reasons.
- [NTSB BFO90LA061](https://openairdocs.org/ntsb/BFO90LA061.md): Cessna 152 · Clinton, MD · Accident · No injuries · Limited investigation · Final report · Jun 23, 1990 · N48741 · Substantial damage
  > The student pilot's failure to maintain directional control of the aircraft and his improper use of the throttle control. Contributing to the accident was the student's lack of total experience.
- [NTSB BFO90LA056](https://openairdocs.org/ntsb/BFO90LA056.md): Piper PA-28-161 · Chester, MD · Accident · No injuries · Limited investigation · Final report · Jun 16, 1990 · N8167R · Substantial damage
  > The pilot's misidentification of a road for the runway. Factors were sunglare and the pilot's unfamiliarity with the airport, and inadequate visual lookout.
- [NTSB BFO90LA055](https://openairdocs.org/ntsb/BFO90LA055.md): Piper PA-28-140 · Farmington, MD · Accident · Minor injuries · Limited investigation · Final report · Jun 9, 1990 · N3456K · Substantial damage
  > Student pilot's misjudged approach to landing and the instructor's inadequate supervision.
- [NTSB BFO90FA053](https://openairdocs.org/ntsb/BFO90FA053.md): Beech 36 · Gaithersburg, MD · Accident · 2 fatal · Field investigation · Final report · Jun 2, 1990 · N2003A · Destroyed
  > Failure of the pilot to extend the landing gear, which resulted in a wheels up landing; his improper decision to attempt a go around (aborted landing) after the airplane contacted the runway; and his failure to attain or maintain adequate airspeed while…
- [NTSB BFO90LA049](https://openairdocs.org/ntsb/BFO90LA049.md): Piper PA-28-140 · Lusby, MD · Accident · No injuries · Limited investigation · Final report · May 26, 1990 · N43078 · Substantial damage
  > The pilot misjudged the distance needed to touchdown and stop his aircraft before running off the end of the runway. The pilot failed to use all of the available runway during the landing sequence.
- [NTSB BFO90LA047](https://openairdocs.org/ntsb/BFO90LA047.md): Robinson R-22M · Stevensville, MD · Accident · No injuries · Limited investigation · Final report · May 20, 1990 · N4003K · Substantial damage
  > The pilot failed to maintain control while taxiing on turbulent water.
- [NTSB BFO90LA042](https://openairdocs.org/ntsb/BFO90LA042.md): Bell 47D · Baltimore, MD · Accident · No injuries · Limited investigation · Final report · May 13, 1990 · N4229A · Substantial damage
  > The pilot applied excessive cyclic control, causing the main rotor to flex and severe the tail cone.
- [NTSB BFO90LA044](https://openairdocs.org/ntsb/BFO90LA044.md): Cessna 172A · Pocomoke, MD · Accident · No injuries · Limited investigation · Final report · May 7, 1990 · N7746T · Substantial damage
  > The pilot's misjudgement of distance and speed during the approach to land, and his failure to attain the proper touchdowwn point during the landing. The ditch was a related factor.
- [NTSB BFO90LA040](https://openairdocs.org/ntsb/BFO90LA040.md): Lake LA-4-200 · Have De Grace, MD · Accident · No injuries · Limited investigation · Final report · Apr 28, 1990 · N1086L · Substantial damage
  > The pilot failed to maintain directional control, and used excessive braking trying to regain control.
- [NTSB BFO90LA038](https://openairdocs.org/ntsb/BFO90LA038.md): Cessna 150G · Clinton, MD · Accident · No injuries · Limited investigation · Final report · Apr 23, 1990 · N8689J · Substantial damage
  > Pilot factor in that he improperly used the engine controls.
- [NTSB BFO90LA037](https://openairdocs.org/ntsb/BFO90LA037.md): Robinson R22 Beta · Prnc Frederick, MD · Accident · Minor injuries · Limited investigation · Final report · Apr 22, 1990 · N2580E · Substantial damage
  > The pilot's improper planning/decision by not shutting down the engine or assuring the helicopter was properly attended,when he deplaned.
- [NTSB BFO90LA035](https://openairdocs.org/ntsb/BFO90LA035.md): Luscombe 8A · Frederick, MD · Accident · No injuries · Limited investigation · Final report · Apr 18, 1990 · N71231 · Substantial damage
  > The pilot failed to maintain directional control, and used excessive braking trying to regain control.
- [NTSB BFO90LA027](https://openairdocs.org/ntsb/BFO90LA027.md): Beech H35 · College Park, MD · Accident · No injuries · Limited investigation · Final report · Feb 19, 1990 · N7958D · Substantial damage
  > The pilot's inadequate compensation for wind conditions. The adverse wind was a related factor.
- [NTSB BFO90LA022](https://openairdocs.org/ntsb/BFO90LA022.md): Cessna 172N · Gaithersburg, MD · Accident · Serious injuries · Limited investigation · Final report · Jan 27, 1990 · N75946 · Destroyed
  > Inadequate supervision by the instructor pilot (CFI), which resulted in failure to maintain airspeed and a subsequent stall. Factors related to the accident were: gusty/crosswind conditions, the student pilot's inadequate compensation for wind conditions and…
- [NTSB BFO90FA017](https://openairdocs.org/ntsb/BFO90FA017.md): Douglas DC-10 · Baltimore, MD · Accident · Serious injuries · Field investigation · Final report · Jan 2, 1990 · N109AA · No damage
  > Injuries associated with the evacuation of the aircraft.

## 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."eventStateOrRegion" = 'MD' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?state=MD&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.