# NTSB investigations: Schweizer SGS 2-33A: Miscellaneous/other

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 LAX07CA172](https://openairdocs.org/ntsb/LAX07CA172.md): Schweizer SGS2-33A · Los Alamitos, CA · Accident · No injuries · Data collection · Final report · May 22, 2007 · N65844 · Substantial damage
  > failure of the towrope during the initial climb out.
- [NTSB NYC96LA016](https://openairdocs.org/ntsb/NYC96LA016.md): Schweizer SGS 2-33 · Barre, MA · Accident · Minor injuries · Limited investigation · Final report · Oct 22, 1995 · N65852 · Substantial damage
  > The pilot's improper inflight planning/decision, which resulted in his failure to return to the airport after encountering an area of no thermal lift, and his failure to maintain adequate airspeed, while maneuvering to avoid an obstruction during an off…
- [NTSB CHI92LA208](https://openairdocs.org/ntsb/CHI92LA208.md): Schweizer SGS2-33A · Kendallville, IN · Accident · No injuries · Limited investigation · Final report · Jul 5, 1992 · N36133 · Substantial damage
  > Improper remedial action, the pilot's failure to maintain airspeed, and the failed tow rope.
- [NTSB NYC91LA066](https://openairdocs.org/ntsb/NYC91LA066.md): Schweizer SGS 2-33A · Williamstown, MA · Accident · No injuries · Limited investigation · Final report · Jan 26, 1991 · N5763S · Substantial damage
  > The failure of the pilot to retract the speed brakes during the preflight, which resulted in the tow airplane being unable to attain sufficient altitude prior to releasing the glider, and the subsequent landing of the glider on unsuitable terrain.
- [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…
- [NTSB LAX89LA291](https://openairdocs.org/ntsb/LAX89LA291.md): Schweizer SGS 2-33A · Hemet, CA · Accident · Minor injuries · Limited investigation · Final report · Aug 30, 1989 · N65843 · 2 aircraft · Destroyed
  > Inadequate crew coordination between the tow pilot and glider pilot, failure of the glider pilot to obtain proper assistance, and the tow pilot's misunderstanding of the glider pilot's intentions.
- [NTSB CHI86LA186](https://openairdocs.org/ntsb/CHI86LA186.md): Schweizer SGS 2-33A · Mattoon, IL · Accident · Minor injuries · Limited investigation · Final report · Jul 28, 1986 · N65901 · Substantial damage
  > The glider was being towed for takeoff behind a tow plane. According to the glider instructor, the initial acceleration appeared normal. As the tow plane and the glider neared the end of the runway, the glider instructor believed the tow plane was…
- [NTSB SEA85LA002](https://openairdocs.org/ntsb/SEA85LA002.md): Schweizer SGS 2-33A · Hood River, OR · Accident · Minor injuries · Limited investigation · Final report · Oct 4, 1984 · N5786S · Substantial damage
  > At about 150 ft AGL on climb out, the tow plane lost power for an unspecified reason. The glider pilot released the tow and executed a 180 degree course reversal to a downwind (15 KTS) landing. During roll out, the left wing contacted the ground, causing an…

## 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 c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8051606')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 430))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=8051606&occurrence=430

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