# Accident 20051203031529A: Grob G103ATWIN2, Wrightwood, CA, December 3, 2005

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: December 3, 2005, 15:00 local time
- Place: Wrightwood, CA
- Damage: Substantial damage
- Phase of flight: Descent
- Operating rules: General operating rules (Part 91)
- Location: 34.3167° N, 117.7417° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=34.3167&lon=-117.7417&mi=10
- Aircraft: N4601M, registered now (https://openairdocs.org/aircraft/N4601M) (OpenAirDocs)
- Registry model: Burkhart Grob G 103 TWIN II (registry code 1660203, https://openairdocs.org/model/burkhart-grob-g-103-twin-ii) (OpenAirDocs)
- Reported make and model: GROB G103ATWIN2
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 260 total, 230 in this make and model, 20 in the last 90 days
- NTSB investigation: [NTSB LAX06CA081](https://openairdocs.org/ntsb/LAX06CA081) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20051203031529A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(-23) ON DECEMBER 3, 2005, AT APPROXIMATELY 1430 HOURS PST, N4601M, A GROB G-103, TWO PLACE GLIDER, DEPARTED ON AEROTOW FROM CRYSTAL AIRPORT (46CN) ON A SIGHTSEEING FLIGHT WITH THE PILOT ^PRIVACY DATA OMITTED^ ACTING AS PILOT IN COMMAND WITH ONE PASSENGER ONBOARD. THE AEROTOW CONTINUED TO THE VICINITY OF MT. BADEN-POWELL WHERE THE GLIDER RELEASED AND ENCOUNTERED SUBSTANTIAL SINK SOUTH OF THE PEAK. UNABLE TO RETURN NORTHWARD TO 46CN, AN EMERGENCY OFF-FIELD LANDING WAS ACCOMPLISHED 34 DEGREES 19.134 MINUTES AND 117 DEGREES 43.960 MINUTES, IN A USFS WILDERNESS AREA. NEITHER THE PILOT OR PASSENGER WERE INJURED, HOWEVER, THE GLIDER SUSTAINED SUBSTANTIAL DAMAGE.

## The NTSB's investigation of this event (1)

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 LAX06CA081](https://openairdocs.org/ntsb/LAX06CA081), Dec 3, 2005: Burkhart Grob G 103 Twin II (N4601M), Llano, CA, substantial damage. Probable cause: The flight's encounter with downdrafts. A contributing factor was the unsuitable vegetation-covered mountainous terrain.

## Other reports on N4601M (2)

Matched to the same aircraft by N-number and date.

- [Incident 20000809025599I](https://openairdocs.org/incident/20000809025599I), Aug 9, 2000: Grob G103ATWIN2 (N4601M), Llano, CA, Minor damage. (-23) At approx. 1205, Wednesday, 08/09/00, at Crystal Airport, L01, llana, CA. The pilot of N4601M, a GROB0G103-TWIN2, landed short of the runway hitting a…
- [Incident 19860817048129I](https://openairdocs.org/incident/19860817048129I), Aug 17, 1986: N4601M, Llano, CA, Minor damage. Allowed a wing tip to touch ground too early on landing. Veered off the runway and struck a fence.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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