# NTSB investigations: Schweizer SGS 1-34: Loss of control - in flight

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 FTW02FA243](https://openairdocs.org/ntsb/FTW02FA243.md): Schweizer SGS 1-34 · Decatur, TX · Accident · 1 fatal · Field investigation · Final report · Sep 2, 2002 · N2691H · Substantial damage
  > The pilot's failure to maintain airspeed resulting in an inadvertent stall. A contributing factor was lack of total experience in the make and model of the accident aircraft.
- [NTSB MIA00LA239](https://openairdocs.org/ntsb/MIA00LA239.md): Schweizer SGS 1-34 · Zephyrhills, FL · Accident · Serious injuries · Limited investigation · Final report · Aug 16, 2000 · N7679 · Substantial damage
  > The student pilot's failure to maintain airspeed on final approach resulting in an inadvertent stall/spin and subsequent in-flight collision with terrain.
- [NTSB CHI00LA033](https://openairdocs.org/ntsb/CHI00LA033.md): Schweizer SGS-1-34 · East Lynne, MO · Accident · Serious injuries · Limited investigation · Final report · Nov 13, 1999 · N7646 · Substantial damage
  > inadequate airspeed and a subsequent stall. Factors associated with the accident were the tailwind, the pilot's misjudgment of the wind condition, and poor inflight planning.
- [NTSB LAX94LA210](https://openairdocs.org/ntsb/LAX94LA210.md): Schweizer SGS 1-34 · Hemet, CA · Accident · 1 fatal · Limited investigation · Final report · May 3, 1994 · N1163S · Destroyed
  > the pilot's failure to maintain an adequate airspeed while maneuvering in the traffic pattern, which resulted in an inadvertent stall/spin. A factor in the accident was the pilot's low total flight time.
- [NTSB DEN92FA048](https://openairdocs.org/ntsb/DEN92FA048.md): Schweizer SGS 1-34 · Elbert, CO · Accident · 1 fatal · Field investigation · Final report · Apr 25, 1992 · N7642 · Destroyed
  > The pilot-in-command's failure to maintain control of the glider resulting in separation of the right wing. A contributing factor to the accident was: the pilot's limited experience in the Schweizer sgs 1-34.
- [NTSB NYC88LA206](https://openairdocs.org/ntsb/NYC88LA206.md): Schweizer SGS 1-34 · Kutztown, PA · Accident · Serious injuries · Limited investigation · Final report · Aug 7, 1988 · N65920 · Substantial damage
  > Loss of control during takeoff after the canopy came open. Contributing was the failure of the pilot to properly close the canopy prior to takeoff.
- [NTSB NYC87LA233](https://openairdocs.org/ntsb/NYC87LA233.md): Schweizer SGS-1-34 · Dansville, NY · Accident · No injuries · Limited investigation · Final report · Aug 15, 1987 · N7653 · Substantial damage
  > The plt stated that as he was adjusting his seat belt with the canopy open, the glider began being pulled by the tow pilots acft. He maneuvered the wing tip clear of some parked acft, grabbed the canopy hatch, and held it shut during the tkof. The cockpit…
- [NTSB DEN83LA218](https://openairdocs.org/ntsb/DEN83LA218.md): Schweizer SGS 1-34 · Park City, UT · Accident · No injuries · Limited investigation · Final report · Sep 18, 1983 · N7636 · Substantial damage
  > The glider dragged a wing and nosed into the ground before ground looping during landing. The pilot said he was lifted by an updraft during landing and was running out of landing space so he turned to an alternate area. The turn was made at 150-200 ft AGL &…
- [NTSB LAX82FJA05](https://openairdocs.org/ntsb/LAX82FJA05.md): Schweizer SGS 1-34 · Dillingham, HI · Accident · No injuries · Final report · Jul 3, 1982 · N7657 · Substantial damage
  > The glider was about 5 feet above the rwy during a tow takeoff with the L-19 tow plane about ready to leave the ground when the glider plt switched hands on the control stick & apparently hit the cockpit canopy latch causing the canopy to open violently. 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 c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8050146')
    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" = 250))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=8050146&occurrence=250

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