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Atlas / NTSB / CEN11CA225

NTSB CAROL · Event

Event CEN11CA225

2011-03-14 Boulder, Colorado, United States Airport · KBDU None 1 aircraft Status: Completed

Registry · N505KK

FAA Aircraft Registry record.

Make / Model

AMS-FLIGHT D.O.O. DG-500 ELAN ORION

Engine

NONE NONE

Seats / Engines

1 seats · 1 engine

Last airworthiness date

20000228

ADS-B equipped

Yes — Mode-S A64D6E

Registrant of record

N505KK LLC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

The in flight loss of lift while landing, resulting in a collision with a fence.

Factual narrative

According to the accident report form submitted by the flight instructor, the student had lined the glider up for landing, and a prelanding assessment indicated that the winds were calm. The purpose of the flight was to practice slips to a landing with no spoilers. While on short final, the slip was reduced to maintain the glide path, at which time, the glider encountered a sink rate. The student maintained the glide path; however, while in the flare over a fence, the left wing impacted a fence pole, resulting in substantial damage to the glider. The flight instructor stated that there was nothing mechanically wrong with the glider prior to the accident. According to the certified flight instructor (CFI), the purpose of the flight was to practice slip maneuvers to a landing with no spoilers. While on short final of the traffic pattern, the student pilot reduced the slip to maintain the glide path, at which time, the glider encountered a sink and descended. While in the flare over a fence, the left wing impacted a fence pole, resulting in substantial damage to the glider. The CFI stated that there was nothing mechanically wrong with the glider prior to the accident. 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-(general)-(general)-Effect on operation - C

Verbatim from NTSB's published report. Source file NTSB_2011_CEN11CA225.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.