# NTSB investigations: NONE, 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 CHI91LA045](https://openairdocs.org/ntsb/CHI91LA045.md): Laister LP-49 · Warrensburg, MO · Accident · No injuries · Limited investigation · Final report · Dec 9, 1990 · N26LP · Substantial damage
  > Failure to maintain directional control by the pilot. Factors related to the accident are lack of total experience in type aircraft, and type of operation.
- [NTSB CHI90LA262](https://openairdocs.org/ntsb/CHI90LA262.md): National Balloon AX-7 · Altoona, IA · Accident · Serious injuries · Limited investigation · Final report · Sep 9, 1990 · N9006Y · No damage
  > The passenger's inadvertent contact with a propane tank during a bounced landing which resulted in serious injury to the passenger.
- [NTSB LAX90FA310](https://openairdocs.org/ntsb/LAX90FA310.md): Schempp-Hirth NIMBUS-2C · California City, CA · Accident · 1 fatal · Field investigation · Final report · Sep 3, 1990 · N39285 · Destroyed
  > The pilot's improper decision to execute the rapid climbing turn maneuver at an insufficient airspeed. Contributing to this accident was the premature dumping of the glider's water ballast.
- [NTSB LAX90DVG18](https://openairdocs.org/ntsb/LAX90DVG18.md): Glaser-Dirks D6-100G · Vacaville, CA · Accident · No injuries · Final report · Aug 28, 1990 · N132S · Substantial damage
  > The unauthorized entry onto the runway by a vehicle operator.
- [NTSB CHI90LA225](https://openairdocs.org/ntsb/CHI90LA225.md): Cameron N120 · Mottville, MI · Accident · Serious injuries · Limited investigation · Final report · Aug 27, 1990 · N6092K · Minor damage
  > The pilot's failure to maintain a proper decent rate during landing and his decision to initiate the flight in high winds conditions.
- [NTSB LAX90DVA10](https://openairdocs.org/ntsb/LAX90DVA10.md): Grumman-Schweizer G-164B · Westley, CA · Accident · Serious injuries · Final report · Aug 19, 1990 · N6774Q · Destroyed
  > The pilot's failure maintain obstacle clearance.
- [NTSB NYC90LA193](https://openairdocs.org/ntsb/NYC90LA193.md): Schweizer SGS 1-35 · Erwinna, PA · Accident · Minor injuries · Limited investigation · Final report · Aug 14, 1990 · N34461 · Destroyed
  > Inadvertent release of the tow line at low altitude. A contributing factor was the landing in unsuitable terrain.
- [NTSB LAX90LA282](https://openairdocs.org/ntsb/LAX90LA282.md): Burkhart Grob G-103 · Liano, CA · Accident · No injuries · Limited investigation · Final report · Aug 10, 1990 · N4426B · Substantial damage
  > The pilot's inflight decision was improper. Contributing to this accident was the pilot's self-induced pressure.
- [NTSB LAX90LA278](https://openairdocs.org/ntsb/LAX90LA278.md): Aerostar S-66A · Napa, CA · Accident · Serious injuries · Limited investigation · Final report · Aug 7, 1990 · N3595M · Substantial damage
  > Flight's encounter with a probable microburst weather phenomena with down drafts and winds beyond the performance capability of the balloon.
- [NTSB LAX90LA277](https://openairdocs.org/ntsb/LAX90LA277.md): Thunder and Colt AX9-140 SLI · Napa, CA · Accident · Serious injuries · Limited investigation · Final report · Aug 7, 1990 · N9112R · Substantial damage
  > Flight's encounter with a probable microburst weather phenomena with down drafts and winds beyond the performance capability of the balloon.
- [NTSB LAX90LA264](https://openairdocs.org/ntsb/LAX90LA264.md): Rolladen-Schneider LS3-A · Sparks, NV · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 1990 · N34AZ · Destroyed
  > The inability of the pilot to maintain control of the glider as a result of injuries sustained during an inflight encounter with turbulence. Contributing to the accident was turbulent weather condition encountered.
- [NTSB LAX90DXQ02](https://openairdocs.org/ntsb/LAX90DXQ02.md): Leffler/Mcfarlane LM-1 · Sierraville, CA · Accident · Minor injuries · Final report · Jul 30, 1990 · N9646Z · Destroyed
  > Pilot's failure to see and avoid a tree during his landing approach.
- [NTSB NYC90LA168](https://openairdocs.org/ntsb/NYC90LA168.md): Schweizer SGS-2-33A · Gt. Barrington, MA · Accident · Minor injuries · Limited investigation · Final report · Jul 21, 1990 · N2724H · Substantial damage
  > The pilot's failure to maintain adequate clearance from tree during the precautionary landing. Factor was a loss of thermal lift.
- [NTSB FTW90DPJ09](https://openairdocs.org/ntsb/FTW90DPJ09.md): Schweizer SGS 2-33A · Norman, OK · Accident · No injuries · Final report · Jul 8, 1990 · N65879 · Substantial damage
  > The pilot's misjudgement of proper glidepath.
- [NTSB FTW90LA122](https://openairdocs.org/ntsb/FTW90LA122.md): Piccard P-80 · Peaster, TX · Accident · Serious injuries · Limited investigation · Final report · Jun 23, 1990 · N99US · Destroyed
  > An excessive rate of descent during the approach.
- [NTSB LAX90LA343](https://openairdocs.org/ntsb/LAX90LA343.md): Balloon Works Firefly 7B · Moorpark, CA · Accident · Serious injuries · Limited investigation · Final report · Jun 17, 1990 · N1523C · No damage
  > The pilot's failure to arrest descent for landing.
- [NTSB LAX90LA220](https://openairdocs.org/ntsb/LAX90LA220.md): Aerostar S-66A · Davis, CA · Accident · No injuries · Limited investigation · Final report · Jun 16, 1990 · N6307C · Substantial damage
  > The failure of the pilot to properly manage the fuel valves to provide adequate fuel pressure to the burner.
- [NTSB LAX90LA212](https://openairdocs.org/ntsb/LAX90LA212.md): Rolladen-Schneider LS-3A · Vacaville, CA · Accident · 1 fatal · Limited investigation · Final report · Jun 9, 1990 · N116TD · Destroyed
  > The pilot's inflight loss of control for undetermined reasons.
- [NTSB LAX90LA208](https://openairdocs.org/ntsb/LAX90LA208.md): Schweizer SGS 1-26B · Truckee, CA · Accident · 1 fatal · Limited investigation · Final report · Jun 4, 1990 · N2423W · Substantial damage
  > The pilot's improper decision to release from the tow airplane at an insufficient altitude on the lee side of the mountains.
- [NTSB ATL90LA125](https://openairdocs.org/ntsb/ATL90LA125.md): Schweizer SGS 1-26E · Montevallo, AL · Accident · Serious injuries · Limited investigation · Final report · Jun 2, 1990 · N34431 · Substantial damage
  > The inattentiveness of the glider pilot to the aborted takeoff of the tow plane, which resulted in his delayed action in attempting to execute a forced landing. These actions resulted in an inadvertent stall and the aircraft collided with the terrain.
- [NTSB NYC90LA115](https://openairdocs.org/ntsb/NYC90LA115.md): Schweizer 1-26E · Wallkill, NY · Accident · Serious injuries · Limited investigation · Final report · May 28, 1990 · N126DB · Substantial damage
  > The pilot's failue to maintain flying speed which resulted in a stall. A factor was the pilot's diversion of attention.
- [NTSB NYC90LA114](https://openairdocs.org/ntsb/NYC90LA114.md): Rolladen-Schneider Lsif Sailplane · Mayville, NY · Accident · Minor injuries · Limited investigation · Final report · May 28, 1990 · N17EW · Substantial damage
  > Jammed flight controls in flight due to a bent aileron push-rod.
- [NTSB FTW90LA110](https://openairdocs.org/ntsb/FTW90LA110.md): Adams A60S · Austin, TX · Accident · Serious injuries · Limited investigation · Final report · May 27, 1990 · N9811N · Substantial damage
  > Improper planning/decision by the pilot. The unfavorable wind and obstacles were related factors.
- [NTSB CHI90LA140](https://openairdocs.org/ntsb/CHI90LA140.md): Let L-13 · Oxford, MI · Accident · No injuries · Limited investigation · Final report · May 26, 1990 · N9297Z · Substantial damage
  > The glider pilot's failure to maintain adequate aircraft control during the touchdown and landing roll. The poorly executed approach to landing, and rough/uneven terrain were contributing factors in this accident.
- [NTSB LAX90LA190](https://openairdocs.org/ntsb/LAX90LA190.md): Schweizer SGS 1-26 · Waialua, HI · Accident · No injuries · Limited investigation · Final report · May 23, 1990 · N15SH · Substantial damage
  > The failure of the pilot to maintain an adequate clearance from clouds.
- [NTSB LAX90LA206](https://openairdocs.org/ntsb/LAX90LA206.md): Thunder and Colt AX9-140 · Napa, CA · Accident · Serious injuries · Limited investigation · Final report · May 2, 1990 · N9112R · No damage
  > The pilot's improper flare technique which resulted in a hard landing. A factor in the accident was the sudden appearance of a high wind condition.
- [NTSB NYC90LA092](https://openairdocs.org/ntsb/NYC90LA092.md): Schweizer SGS-1-26B · Unionville, PA · Accident · Minor injuries · Limited investigation · Final report · Apr 26, 1990 · N9856E · Substantial damage
  > The loss of thermal lift which necessitated a forced landing on unsuitable terrain covered by trees and high obstructions.
- [NTSB ATL90LA104](https://openairdocs.org/ntsb/ATL90LA104.md): Balloon Works 7B · Lexington, KY · Accident · No injuries · Limited investigation · Final report · Apr 22, 1990 · N1512T · Substantial damage
  > The overload failure of several jumper cords. Factor(s) were inadvertent encounter with unfavorable wind (dust devil). Subsequently, the pilot was unable to control the rate of descent.
- [NTSB DEN90LA086](https://openairdocs.org/ntsb/DEN90LA086.md): Schweizer SGS 2-33A · Morgan, UT · Accident · No injuries · Limited investigation · Final report · Apr 4, 1990 · N2048T · Substantial damage
  > Separation of the tow rope and the pilot's failure to establish an appropriate descent rate as he returned to land. Contributing to the accident were the tailwind and the unsuitable terrain for landing beyond the runway end.
- [NTSB LAX90LA130](https://openairdocs.org/ntsb/LAX90LA130.md): Burkhart Grob 103 · Byron, CA · Accident · No injuries · Limited investigation · Final report · Mar 31, 1990 · N3837J · Substantial damage
  > The pilot's inadequate visual lookout for objects along the landing runway.
- [NTSB NYC90LA082](https://openairdocs.org/ntsb/NYC90LA082.md): Schweizer S2-33A · Brookhaven, NY · Accident · Serious injuries · Limited investigation · Final report · Mar 25, 1990 · N2055T · Minor damage
  > Cause of the accident was a hard landing after the pilot stalled the glider while turning onto final approach.
- [NTSB LAX90LA103](https://openairdocs.org/ntsb/LAX90LA103.md): Pitts S1T · Ramona, CA · Accident · No injuries · Limited investigation · Final report · Feb 23, 1990 · N49351 · Substantial damage
  > The pilots loss of directional control during landing.
- [NTSB LAX90LA080](https://openairdocs.org/ntsb/LAX90LA080.md): Adams A55 · Glendale, AZ · Accident · Serious injuries · Limited investigation · Final report · Jan 21, 1990 · N4021L · No damage
  > Improper planning/decision by the pilot. The unexpected high wind condition was a related factor.
- [NTSB NYC90LA046](https://openairdocs.org/ntsb/NYC90LA046.md): Schweizer SGS 2-33A · Kutztown, PA · Accident · Minor injuries · Limited investigation · Final report · Jan 8, 1990 · N2637H · Substantial damage
  > Improper decision of the glider pilot to exit the glider without positive assurance that the tow pilot had received his signal or that the glider was released from the tow plane. A related factor to the accident was: the lack of crew coordination between the…

## 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 ('00000'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=00000&year=1990

---
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.