# NTSB investigations, 1990: Abrupt maneuver

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 LAX91DXQ01](https://openairdocs.org/ntsb/LAX91DXQ01.md): Pitts S-1E · Carson City, NV · Accident · Minor injuries · Final report · Nov 17, 1990 · N9QB · Substantial damage
  > The pilot's failure to maintain directional control during takeoff roll and the abrupt pullup to a premature takeoff.
- [NTSB CHI91GA014](https://openairdocs.org/ntsb/CHI91GA014.md): Cessna 172P · Williamsburg, IA · Accident · 1 fatal · Final report · Oct 14, 1990 · N99862 · Destroyed
  > The pilot-in-command's abrupt pull-up to avoid an obstacle. Contributing was the pilot-in-command's diverted attention to activities on the ground.
- [NTSB NYC91LA002](https://openairdocs.org/ntsb/NYC91LA002.md): Forney 415D · Morrisville, NY · Accident · 2 fatal · Limited investigation · Final report · Oct 3, 1990 · N2911H · Destroyed
  > The pilot executing a left turn at an altitude insufficient to clear a corn field located in close proximity to the departure runway.
- [NTSB LAX90DUQ02](https://openairdocs.org/ntsb/LAX90DUQ02.md): Folland Gnat T-1 · Mojave, CA · Accident · 1 fatal · Final report · Sep 30, 1990 · N1CW · Destroyed
  > The pilots failure to correct a descent during a low level aerobactics.
- [NTSB DEN90LA175](https://openairdocs.org/ntsb/DEN90LA175.md): Schleicher ASW-19 · Alamogordo, NM · Accident · Serious injuries · Limited investigation · Final report · Aug 25, 1990 · N777XR · Substantial damage
  > The pilot's failure to maintain control of the glider, which resulted in the pilot induced oscillations.
- [NTSB CHI90DEV07](https://openairdocs.org/ntsb/CHI90DEV07.md): Pitts S2B · Springfield, IL · Accident · 2 fatal · Final report · Aug 5, 1990 · N260RM · Substantial damage
  > The pilot's failure to maintain flying speed and allowed the aircraft to stall during the break turn to downwind.
- [NTSB LAX90LA257](https://openairdocs.org/ntsb/LAX90LA257.md): Cessna A185F · Discovery Bay, CA · Accident · No injuries · Limited investigation · Final report · Jul 14, 1990 · N888BL · Substantial damage
  > The pilot's improper visual lookout to assure the area was clear of boats before departing.
- [NTSB FTW90GA137](https://openairdocs.org/ntsb/FTW90GA137.md): Cessna 404 · San Angelo, TX · Accident · Minor injuries · Final report · Jul 8, 1990 · N6239G · Substantial damage
  > Improper use of powerplant controls by the pilot-in-command (PIC). Factors related to the accident were: the pic's inadequate crew coordination, and the excessive airspeed and rate of descent that resulted, when the PIC maneuvered the aircraft back on course…
- [NTSB MKC90DCJ01](https://openairdocs.org/ntsb/MKC90DCJ01.md): K. W. Jeffers Varieze · Brainard, NE · Accident · 1 fatal · Final report · Jun 16, 1990 · N3KJ · Destroyed
  > Pilot used poor judgement in attempting aerobatics with inadequate altitude which resulted in loss of aircraft control. Contributing factors were a low pass performed, over confidence in personal ability and ostentatious display by the PIC.
- [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 DEN90FA099](https://openairdocs.org/ntsb/DEN90FA099.md): Piper PA-22-160 · Scranton, ND · Accident · 2 fatal · Field investigation · Final report · Apr 24, 1990 · N2911Z · Destroyed
  > Pilot factor in that he failed to maintain aircraft control while performing an inflight maneuver.
- [NTSB CHI90LA115](https://openairdocs.org/ntsb/CHI90LA115.md): Beech F33A · Milwaukee, WI · Accident · Minor injuries · Limited investigation · Final report · Apr 20, 1990 · N179DD · Substantial damage
  > The utilization of improper procedures on the part of the pilot in command by attempting to execute a coupled approach outside the parameters of the autopilot.
- [NTSB LAX90LA151](https://openairdocs.org/ntsb/LAX90LA151.md): Piper J-3 · Creston, CA · Accident · Minor injuries · Limited investigation · Final report · Apr 1, 1990 · N7363H · Substantial damage
  > The inadvertent intrusion of wildlife on the runway environment and the pilot's application of brakes resulting in a nose down attitude and propeller strike.
- [NTSB DEN90FA059](https://openairdocs.org/ntsb/DEN90FA059.md): Siai-Marchetti SF260C · Agoura, CA · Accident · 2 fatal · Field investigation · Final report · Feb 22, 1990 · N24FD · Destroyed
  > Loss of control of the aircraft during acrobatic flight and the pilot's failure to recover from a spin.

## 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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 100)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=100&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.
