NTSB investigations: Schweizer SGS 1-26E

14 cases on aircraft the registry lists as Schweizer SGS 1-26E, where the first occurrence was “Loss of control - in flight”. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Cases per year

19822026
NTSB investigations: Schweizer SGS 1-26E per year, 1982–2026: 14 cases
19821
19842
19861
19881
19892
19902
19921
19941
19962
19971

Latest cases

Query with SQL
duckdb -csv -c "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 ('8050124')
      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"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB CHI97LA271Accident · Serious injuriesLimited investigationFinal reportSchweizer SGS 1-26E · Zionsville, INfailure of the pilot to maintain adequate airspeed, which resulted in a stall and subsequent spin. A factor associated with the accident was the pilot's lack of experience in this make and model of glider.Aug 22, 1997 · N600JP · DestroyedNTSB IAD96LA142Accident · Serious injuriesLimited investigationFinal reportSchweizer SGS-1-26E · Elmira, NYthe pilot's failure to maintain adequate altitude and airspeed during the landing approach, resulting in a stall/spin and subsequent encounter with an embankment.Sep 1, 1996 · N1142S · Substantial damageNTSB NYC96LA140Accident · 1 fatalLimited investigationFinal reportSchweizer SGS 1-26E · Marston Mills, MAfailure of the pilot to maintain control of the glider while being towed during takeoff, which resulted in a pitch oscillation, failure of the tow cable, loss of airspeed, an inadvertent stall/spin, and an uncontrolled collision with the ground.Jul 5, 1996 · N603MX · DestroyedNTSB FTW94LA237Accident · Serious injuriesLimited investigationFinal reportSchweizer SGS 1-26E · Littlefield, TXAn inadvertent stall. Factors were low altitude and airspeed at the beginning of the downwind turn.Jul 16, 1994 · N33915 · Substantial damageNTSB NYC92LA126Accident · Serious injuriesLimited investigationFinal reportSchweizer 1-26E · Waynesboro, VAThe failure of the pilot to maintain airspeed which resulted in an inadvertent stall while on approach. Factors related to the accident were: the pilot's lack of experience, an improperly planned approach, and the gusty winds.Jun 23, 1992 · N2781H · Substantial damageNTSB ATL90LA125Accident · Serious injuriesLimited investigationFinal reportSchweizer SGS 1-26E · Montevallo, ALThe 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.Jun 2, 1990 · N34431 · Substantial damageNTSB NYC90LA115Accident · Serious injuriesLimited investigationFinal reportSchweizer 1-26E · Wallkill, NYThe pilot's failue to maintain flying speed which resulted in a stall. A factor was the pilot's diversion of attention.May 28, 1990 · N126DB · Substantial damageNTSB BFO89LA037Accident · Serious injuriesLimited investigationFinal reportSchweizer I-26E · Churchville, MDThe pilot's failure to maintain adequate airspeed during the turn from base to final approach which resulted in the wing contacting the ground and the glider cartwheeling.May 28, 1989 · N1124S · DestroyedNTSB LAX89LA167Accident · Serious injuriesLimited investigationFinal reportSchweizer T-26E · Fremont, CAThe pilot's failure to maintain sufficient airspeed in an effort to avoid obstacles during an inadequately planned approach.Apr 22, 1989 · N1134S · Substantial damageNTSB NYC88LA227Accident · Serious injuriesLimited investigationFinal reportSchweizer SGS-1-26E · Elmira, NYThe plt reported to the local police that he was having trouble getting lift and was attempting an off airport landing when the acft stalled at low alt and crashed. The pilot did not file an accident report.Aug 21, 1988 · N3613B · Substantial damageNTSB NYC86LA118Accident · Serious injuriesLimited investigationFinal reportSchweizer SGS 1-26 · Mt. Graylock, MAThe pilot was practicing simulated cross country passes on a ridge at an altitude of 150 ft AGL on the windward side of a ridge in a Schweizer sgs 1-26 sailplane. The pilot encountered a roll condition from which he lost control, was unable to recover and…May 4, 1986 · N1140S · Substantial damageNTSB FTW84LA352Accident · Serious injuriesLimited investigationFinal reportSchweizer SGS 1-26E · Mineral Wells, TXThe glider was destroyed during ground contact after stalling at aprx 250 ft AGL. The plt reported that conflicting traffic resulted in an acceleration of the tow truck and a premature release of the towed acft. After the release the ascending acft stalled…Aug 19, 1984 · N1129S · DestroyedNTSB MIA84FA181Accident · 1 fatalField investigationFinal reportSchweizer SGS 1-26E · Williston, FLThe acft was observed to enter a left base leg for rwy 4. The plt continued to fly the base leg heading & flew thru the final apch leg. The acft then entered a right bank, & after 180 deg of turn, it stalled & went into a right spin at an estimated 600 to 800…Jun 9, 1984 · N33916 · Substantial damageNTSB LAX82DUJ35Accident · Serious injuriesFinal reportSchweizer SGS 1-126E · Near Tucson, AZThe pilot was on a triangular round-robin course. On the third leg of the flight, he encounter unfavorable lift conditions and elected to land on a dirt road. He started a 270 deg turn to final approach. Reportedly, a strong, turbulent, wind shear condition…Apr 17, 1982 · N65937 · Destroyed