# Grob-Werke TWIN ASTIR

- Type: Aircraft model (FAA registry)
- Registry code: 1660309
- Manufacturer (registry): GROB-WERKE
- Model: TWIN ASTIR
- Aircraft type: Glider
- Category: Glider
- Engines: None
- Seats: 2
- Weight class: Up to 12,499 lb
- Certification: Not type certificated
- Registered aircraft: 3
- Page: https://openairdocs.org/model/grob-werke-twin-astir

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Information bulletins (advisory) (1)

- [SAIB CE-06-49](https://openairdocs.org/saib/CE-06-49): . Issued Jun 21, 2006

## Registered aircraft (3)

- [N103GV](https://openairdocs.org/aircraft/N103GV): [Franconia Soaring Association Inc](https://openairdocs.org/faa-owner/FRANCONIA%20SOARING%20ASSOCIATION%20INC), [Franconia, NH](https://openairdocs.org/faa-place/NH/Franconia), S/N 3069
- [N104NS](https://openairdocs.org/aircraft/N104NS): [Wabash Valley Soaring Assn Inc](https://openairdocs.org/faa-owner/WABASH%20VALLEY%20SOARING%20ASSN%20INC), [Lawrenceville, IL](https://openairdocs.org/faa-place/IL/Lawrenceville), built 1978, S/N 3043
- [N2387](https://openairdocs.org/aircraft/N2387): [Willamette Valley Soaring Club Inc](https://openairdocs.org/faa-owner/WILLAMETTE%20VALLEY%20SOARING%20CLUB%20INC), [Cornelius, OR](https://openairdocs.org/faa-place/OR/Cornelius), built 1979, S/N 3251

## NTSB investigations (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 ERA25LA287](https://openairdocs.org/ntsb/ERA25LA287), Jul 24, 2025: Grob-Werke Twin Astir (N103GV), Franconia, NH, substantial damage. Probable cause: The pilot’s failure to detect the inadvertent deployment of the spoilers, which resulted in a prolonged, excessive descent rate. Contributing to the accident was the pilot’s decision to conduct a…

## FAA accident and incident reports (1)

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.

- [Accident 20250724010089A](https://openairdocs.org/incident/20250724010089A), Jul 24, 2025: Grob-Werke TWIN ASTIR (N103GV), Franconia, NH, Substantial damage. On Thursday July 24, 2025, the pilot of a Grob Twin Astir with one passenger in the front seat departed from 1B5 (Franconia NH) at around 1530, PIC launched…

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Grob-Werke Gmbh And TWIN ASTIR](https://openairdocs.org/model/grob-werke-gmbh-and-twin-astir): 5 registered aircraft, registry code 1660311
- [Burkhart Grob Flugzeugbau TWIN ASTIR](https://openairdocs.org/model/burkhart-grob-flugzeugbau-twin-astir): 3 registered aircraft, registry code 1660201

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