# NTSB SEA95LA069: Scheibe Flugzeugbau Bergfalke II-55, N5924, Bozeman, MT, March 18, 1995 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: March 18, 1995, 12:00 local (19:00 UTC) - Place: Bozeman, MT - Coordinates: 45.770114, -110.930137 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=45.7701&lon=-110.9301&mi=10 - Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 1 uninjured - Status: Completed, report October 26, 1995 - Report: Approved by Office Director - NTSB case key (mKey): 42125 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA95LA069 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/42125/pdf - Page: https://openairdocs.org/ntsb/SEA95LA069 ## Probable cause THE PILOT MISJUDGED HIS ALTITUDE AND DISTANCE FROM THE RUNWAY. A FACTOR WAS THE PILOT'S FAILURE TO OBTAIN THE CURRENT ALTIMETER SETTING. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - Undershoot, approach - vfr pattern - base leg/base to final - altimeter setting - improper, pilot in command (contributing factor) - distance/altitude - misjudged, pilot in command (cause) - In flight collision with terrain/water, approach - vfr pattern - base leg/base to final ## Analysis WHILE IN THE TRAFFIC PATTERN FOR LANDING, THE PILOT STATED THAT HE RELIED ON THE ALTIMETER TO DETERMINE ELEVATION, EVEN THOUGH HE FELT THAT HE WAS LOW. WHILE TURNING BASE TO FINAL APPROACH, THE PILOT REALIZED THAT HE WAS TOO LOW AND WAS NOT GOING TO MAKE THE RUNWAY. DURING A LEFT TURN TO MANEUVER TO AN ACCESS ROAD, THE LEFT WING CONTACTED THE GROUND AND THE GLIDER SPUN AROUND BEFORE COMING TO REST. AFTER THE ACCIDENT, THE PILOT STATED THAT HE DID NOT GET THE CURRENT ALTIMETER SETTING FROM THE FSS BEFORE LANDING, AND NOTED THAT THE ALTIMETER READING WAS 170 FT HIGHER THAN FIELD ELEVATION. ## Factual narrative On March 18, 1995, at 1200 mountain standard time, a Scheibe Bergfalke II-55, N5924, collided with the terrain short of runway 21 at Bozeman, Montana. Visual meteorological conditions prevailed at the time and no flight plan was filed for the local instructional flight. The glider was substantially damaged and the private pilot, the sole occupant, was not injured. The pilot reported that the purpose of the flight was a solo flight to accumulate time for the glider rating. After gliding for approximately two hours, the pilot returned to the airport for landing. While in the traffic pattern, the pilot reported that he relied on the altimeter to determine the gliders elevation, even though the pilot stated that he felt low. While turning from the base leg to final approach, the pilot stated that the glider was too low and that he was not going to make the runway. The pilot selected an access road and during the left turn, the left wing collided with the ground. The glider spun around before coming to rest. After the accident, the pilot noted that the altimeter read 4,650 feet. The field elevation is 4,480. The pilot stated that before take off he had set the altimeter to field elevation, however, he did not reset the altimeter for the landing. Runway advisory services are available for the airport. The pilot stated that he got the wind direction and speed, but did not ask or receive the current altimeter setting for the landing. ## Aircraft - Registration: [N5924](https://openairdocs.org/deregistered/N5924-2018-03-30), registration cancelled 2018-03-30, S/N 85, built 1959 (OpenAirDocs) - Reported make and model: Scheibe Flugzeugbau BERGFALKE II-55 (BERGFALKE) - Registry model: [Scheibe BERGFALKE II-55](https://openairdocs.org/model/scheibe-bergfalke-ii-55) (registry code 3801315) (OpenAirDocs) - Registry engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000, none) (OpenAirDocs) - Category: Glider - Serial number: 85 - Engines: unknown - Damage: Substantial damage - Flight: Instructional, Part 91 - Operator: Stradley, Roger, doing business as Gallatin Flying Service - Registered owner: Agricola Pennatus - Airworthiness certificate: Standard, Normal - Airport: BZN, Gallatin Field, runway 21, 2,650 × 60 ft, asphalt ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 33; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: front; flight hours: 101 total, 11 in this make and model, 36 as pilot in command ## Weather - Conditions: Visual (VMC), Day - Wind: 350° at 5 knots - Visibility: 30 statute miles - Lowest ceiling: 12,000 ft broken - Temperature: 52 °F, dew point 27 °F - Altimeter: 29.00 inHg - Observed at: BZN ## FAA reports on this event (1) The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs). - [Accident 19950318004349A](https://openairdocs.org/incident/19950318004349A), Mar 18, 1995: Scbflg BERGFALKE255, Bozeman, MT, Substantial damage. Too low to make runway. Selected road. Dragged wing landing. Cartwheeled. Failed to check altimeter setting. ## Other investigations on N5924 (2) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB MKC86LA174](https://openairdocs.org/ntsb/MKC86LA174), Aug 24, 1986: Scheibe Flugzeugbau Bergfalke II-55 (N5924), Hutchinson, KS, substantial damage - [NTSB SEA70D0147](https://openairdocs.org/ntsb/SEA70D0147), Sep 7, 1969: Bergfalke II-55 (N5924), Aurora, OR, substantial damage From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.