# Accident 20050804017299A: Grob G103TWNASTIR, Driggs, ID, August 4, 2005

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 4, 2005, 15:15 local time
- Place: Driggs, ID
- Airport: Tetonpeaks/Driggs Municipal/Airport
- Damage: Destroyed
- Phase of flight: In Traffic Pattern-Circling
- Operating rules: General operating rules (Part 91)
- Location: 43.7333° N, 111.0833° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=43.7333&lon=-111.0833&mi=10
- Aircraft: N153SS, a cancelled registration (https://openairdocs.org/deregistered/N153SS-2011-05-17) (OpenAirDocs)
- Registry model: Burkhart Grob Flugzeugbau G103 TWIN ASTIR (registry code 1660202, https://openairdocs.org/model/burkhart-grob-flugzeugbau-g103-twin-astir) (OpenAirDocs)
- Registry engine: NONE (registry code 00000, https://openairdocs.org/engine/none) (OpenAirDocs)
- Reported make and model: GROB G103TWNASTIR
- People aboard: 1
- Fatal injuries: 1
- Pilot flight hours: 144 total, 23 in this make and model, 5 in the last 90 days
- NTSB investigation: [NTSB SEA05LA164](https://openairdocs.org/ntsb/SEA05LA164) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20050804017299A

## Narrative

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

(-23) GLIDER MADE A PATTERN TOW AND RELEASED AT 1200 FT. WITNESSES STATED THAT THE AIRCRAFT WAS LOW ON BASE LEG, 75 TO 150 FT, WHEN THE PILOT INITIATED A TURN TO BASE. THE AIRCRAFT HAD NOT QUITE MADE THE 90 DEGREE TURN ONTO BASE WHEN THE WINGS SUDDENLY LEVELED AND THE NOSE DROPPED TO VERTICAL. RECOVERY ANGLE WAS ESTIMATED AT 45 DEGREES UPON IMPACT.

## 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 SEA05LA164](https://openairdocs.org/ntsb/SEA05LA164), Aug 4, 2005: Burkhart Grob G103 Twin Astir (N153SS), Driggs, ID, substantial damage, 1 fatal. Probable cause: The pilot's failure to maintain aircraft control while maneuvering in the traffic pattern for landing. The pilot's failure to maintain a proper altitude was a factor.

## Other reports on N153SS (1)

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

- [Accident 19930904051649A](https://openairdocs.org/incident/19930904051649A), Sep 4, 1993: Amtrkb TWINSTAR (N153SS), New Douglas, IL, Substantial damage. Apparent cable break on aerial tow. Tried recover but hit ground nose down. Double ring on glider attach separated. (.19) on September 4, 1993, at 1130 central…

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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