# NTSB investigations: Schweizer SGS 2-33A, PA

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 ERA22LA407](https://openairdocs.org/ntsb/ERA22LA407.md): Schweizer SGS 2-33A · Mount Bethel, PA · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 3, 2022 · N17867 · Substantial damage
  > The glider’s encounter with atmospheric conditions, where the lift was not sufficient to maintain flight resulting in an off-airport landing and collision with powerlines.
- [NTSB ERA13CA352](https://openairdocs.org/ntsb/ERA13CA352.md): Schweizer SGS 2-33A · Erwinna, PA · Accident · No injuries · Data collection · Final report · Aug 4, 2013 · N1211S · Substantial damage
  > The student pilot's improper altitude and energy management in the landing pattern which resulted in the glider impacting a tree and landing short of the runway.
- [NTSB ERA13LA229](https://openairdocs.org/ntsb/ERA13LA229.md): Schweizer SGS 2-33A · Erwinna, PA · Accident · Serious injuries · Limited investigation · Final report · May 4, 2013 · N2045T · Substantial damage
  > The pilot’s loss of glider control due to improper rigging of the rudder control cables, the mechanic’s inadequate flight control checks following the glider’s most recent annual inspection, and the pilot’s failure to perform a thorough preflight inspection.
- [NTSB BFO95LA015](https://openairdocs.org/ntsb/BFO95LA015.md): Schweizer SGS 2-33A · Hilltown, PA · Accident · No injuries · Limited investigation · Final report · Nov 19, 1994 · N33938 · Substantial damage
  > Improper in-flight planning decision by the pilot, which resulted in insufficient altitude to maintain clearance from trees.
- [NTSB BFO93LA161](https://openairdocs.org/ntsb/BFO93LA161.md): Schweizer SGS2-33A · Eighty Four, PA · Accident · No injuries · Limited investigation · Final report · Sep 6, 1993 · N34367 · Substantial damage
  > The pilot's utilization of improper procedures for setting the altimeter which led to his misjudging altitude.
- [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 NYC88LA159](https://openairdocs.org/ntsb/NYC88LA159.md): Schweizer SGS-2-33 · Erwinna, PA · Accident · No injuries · Limited investigation · Final report · Jun 5, 1988 · N1240S · Substantial damage
  > Accident was a loss of directional control during landing which followed a hard landing. Contributing was the improper use of spoiler control by the private pilot and the failure of the flight instructor to adequately supervise the actions of the private…
- [NTSB NYC86LA137](https://openairdocs.org/ntsb/NYC86LA137.md): Schweizer SGS-2-32A · Kurtztown, PA · Accident · Serious injuries · Limited investigation · Final report · May 19, 1986 · N2979H · Substantial damage
  > After flying in thermals for about 45 minutes, the plts returned to the arpt to land. The instructor (CFI) stated they came over the initial approach point at about 1000 ft for a landing on runway 30. The glider passed over the end of the runway at about 150…
- [NTSB NYC84LA211](https://openairdocs.org/ntsb/NYC84LA211.md): Schweizer SGS 2-33 · Perkasie, PA · Accident · No injuries · Limited investigation · Final report · Jun 16, 1984 · N7556 · Substantial damage
  > The sailplane lost lift and during a forced landing wires were spotted on the approach. In attempting to fly under the wires the acft was flown into an embankment.
- [NTSB NYC83LA154](https://openairdocs.org/ntsb/NYC83LA154.md): Schweizer 2-33 · Freeport, PA · Accident · No injuries · Limited investigation · Final report · Jun 5, 1983 · N65859 · Substantial damage
  > The glider collided with a fence during landing. The glider had experienced loss of lift shortly after a release from tow at 2500 ft AGL. Heavy sink and alt loss was encountered and continued. The pilot started a long straight in final approach to land but it…
- [NTSB NYC83LA099](https://openairdocs.org/ntsb/NYC83LA099.md): Schweizer SGS-2-33A · Erwinna, PA · Accident · No injuries · Limited investigation · Final report · Apr 17, 1983 · N2706H · Substantial damage
  > The glider was on a dual instructional flight for landing practice. On the final approach to landing the glider lost lift after experiencing excessive sink and clipped the tops of trees. The glider landed short of the intended area and the wings and nose of…
- [NTSB NYC82DA183](https://openairdocs.org/ntsb/NYC82DA183.md): Schweizer SGS-2-33A · Eighty Four, PA · Accident · No injuries · Final report · Jul 31, 1982 · N7774S · Substantial damage
  > The tow line released at 40 feet AGL in a glider tow launch. The glider pilot tried to land on the runway but landed adjacent to it and collided with a tree which ground-looped the glider. The tow hitch mechanism was broken off at the tubing cluster & was…
- [NTSB NYC82DHA06](https://openairdocs.org/ntsb/NYC82DHA06.md): Schweizer SGS2 · Kutztown, PA · Accident · Minor injuries · Closed · Oct 24, 1981 · N2979H · Substantial damage
- [NTSB NYC79FHA06](https://openairdocs.org/ntsb/NYC79FHA06.md): Schweizer 2-33A · Kutztown, PA · Accident · No injuries · Closed · Dec 23, 1978 · N2056T · Substantial damage
- [NTSB NYC78FGM49](https://openairdocs.org/ntsb/NYC78FGM49.md): Schweizer 2-33 · Freeport, PA · Accident · Serious injuries · Closed · Sep 2, 1978 · N33941 · Substantial damage
- [NTSB NYC78FHA01](https://openairdocs.org/ntsb/NYC78FHA01-145112.md): Schweizer 2-33 · Beltzville, PA · Accident · No injuries · Closed · Oct 15, 1977 · N1196S · Substantial damage
- [NTSB NYC77FGT13](https://openairdocs.org/ntsb/NYC77FGT13.md): Schweizer 2-33A · Philipsburg, PA · Accident · No injuries · Closed · Mar 25, 1977 · N5758S · Minor damage
- [NTSB NYC77FHA15](https://openairdocs.org/ntsb/NYC77FHA15.md): Schweizer SGS233 · Erwinna, PA · Accident · No injuries · Closed · Feb 16, 1977 · N33993 · Substantial damage
- [NTSB NYC76FHA44](https://openairdocs.org/ntsb/NYC76FHA44.md): Schweizer SGS233 · Kutztown, PA · Accident · No injuries · Closed · Aug 1, 1976 · N33920 · Substantial damage
- [NTSB NYC76DHD15](https://openairdocs.org/ntsb/NYC76DHD15.md): Cessna 150L · West Chester, PA · Accident · No injuries · Closed · Dec 28, 1975 · N1240Q · 2 aircraft · Substantial damage
- [NTSB NYC74DHA07](https://openairdocs.org/ntsb/NYC74DHA07.md): Schweizer SGS233 · Erwinna, PA · Accident · No injuries · Closed · Aug 24, 1973 · N1241S · Substantial damage
- [NTSB NYC73DHD21](https://openairdocs.org/ntsb/NYC73DHD21.md): Schweizer SG233A · West Chester, PA · Accident · No injuries · Closed · Jan 6, 1973 · N7609 · Substantial damage
- [NTSB NYC73DHA02](https://openairdocs.org/ntsb/NYC73DHA02.md): Schweizer 233A · Erwinna, PA · Accident · No injuries · Closed · Jul 15, 1972 · N1241S · Substantial damage
- [NTSB NYC72FHA16](https://openairdocs.org/ntsb/NYC72FHA16.md): Schweizer SGS233 · Erwinna, PA · Accident · No injuries · Closed · Sep 21, 1971 · N1205S · Substantial damage
- [NTSB NYC71DHA18](https://openairdocs.org/ntsb/NYC71DHA18.md): Schweizer SGS233 · Kutztown, PA · Accident · No injuries · Closed · Sep 17, 1970 · N7543 · Substantial damage

## 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."eventStateOrRegion" = 'PA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8051606'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

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