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Atlas / NTSB / GAA17CA196

NTSB CAROL · Event

Event GAA17CA196

2017-03-11 Bangor, Pennsylvania, United States None 1 aircraft Status: Completed

Registry · N17933

FAA Aircraft Registry record.

Make / Model

SCHWEIZER SGS 1-26E

Year of manufacture

1973 · 44 years old at event

Engine

NONE NONE

Seats / Engines

1 seats · 1 engine

Last airworthiness date

19730719

ADS-B equipped

Yes — Mode-S A13D79

Registrant of record

JERSEY RIDGE SOARING LLC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

The glider’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight, which resulted in an off-airport landing.

Factual narrative

The glider pilot reported that while returning to his home airport, he was unable to find enough lift, and did not have enough altitude to cross a section of land called "The Gap". After he altered course to land at an alternate airport he attempted to ridge soar, but was again unable to encounter enough lift. He "hugged the ridge top" for as long as he could and then proceeded down a valley in anticipation of landing in a field. Subsequently, the glider collided with trees prior to the field and came to rest suspended in the trees. The glider sustained substantial damage to both wings and empennage. The pilot reported that there were no pre-accident mechanical failures or malfunctions with the glider that would have precluded normal operation. The glider pilot reported that, while returning to his home airport, he was unable to find enough lift and did not have enough altitude to cross a section of land called "The Gap." After he altered course to land at an alternate airport, he attempted to ridge soar but again did not encounter enough lift. He "hugged the ridge top" for as long as he could and then proceeded down a valley in anticipation of landing in a field. Subsequently, the glider collided with trees preceding the field and came to rest suspended in the trees. The glider sustained substantial damage to both wings and empennage. The pilot reported that there were no preaccident mechanical failures or malfunctions with the glider that would have precluded normal operation. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12

NTSB Findings

Hierarchical cause / factor breakdown from the FAA bulk avdata database. Each finding tagged C (Cause) or F (Factor).

  • C Environmental issues-Conditions/weather/phenomena-Temp/humidity/pressure-Thermal lifting-Effect on operation - C
  • C Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Altitude-Attain/maintain not possible - C
  • Environmental issues-Physical environment-Object/animal/substance-Tree(s)-Contributed to outcome

Verbatim from NTSB's published report. Source file NTSB_2017_GAA17CA196.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.