27 Jun 2018: Schweizer SGS 1 34 Undesignat — Soaring Society Of Boulder Inc

27 Jun 2018: Schweizer SGS 1 34 Undesignat — Soaring Society Of Boulder Inc

No fatalities • Boulder, CO, United States

Probable cause

The student pilot’s improper landing flare in gusting crosswind conditions, which resulted in a hard landing.

— NTSB Determination

Accident narrative

The solo student pilot reported that, during landing, about 10 ft above ground, the airplane was "hit by a tail gust/downdraft" and the glider landed hard.

The glider sustained substantial damage to the fuselage.

The automated weather observation station located on the airport reported that, about 8 minutes before the accident, the wind was from 170° at 10 knots, gusting 14 knots. The glider landed on runway 8G.

Contributing factors

  • cause Landing flare — Not attained/maintained
  • cause Student/instructed pilot
  • Effect on operation
  • Effect on operation

Conditions

Weather
VMC, wind 170/10kt, vis 10sm

Related events

Same aircraft

  • 6 Aug 2025 — SCHWEIZER SGS 2-33A (—)
  • 1 Jun 2025 — SCHWEIZER SGS 1-26C (—)
  • 26 Apr 2025 — SCHWEIZER SGS 1-26B (HAGER BILL E)
  • 19 Apr 2025 — SCHWEIZER SGS 2-33A (—)
  • 8 Jun 2024 — SCHWEIZER SGS 1-23H-15 (TULSA SKYHAWKS SOARING CLUB)

Same operator

  • 23 Sep 2019 — Piper PA18 150 (Soaring Society Of Boulder Inc)

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