# N173SS: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 1
- Last cancelled: April 18, 2013
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=173SS
- Page: https://openairdocs.org/aircraft/N173SS

## Aircraft that carried N173SS

- [Cancelled 2013-04-18](https://openairdocs.org/deregistered/N173SS-2013-04-18): Burkhart Grob Flugzeugbau G103 TWIN ASTIR, S/N 3286, built 1980. Sale reported, pending cancellation. Owner: [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City)

## NTSB investigations on N173SS (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 DEN99LA028](https://openairdocs.org/ntsb/DEN99LA028), Dec 27, 1998: Burkhart Grob G103 Twin Astir (N173SS), Canon City, CO, substantial damage. Probable cause: The glider pilot's failure to follow proper preflight procedures, and his failure to control the aircraft when the latch opened during flight. A factor was his failure to properly latch the canopy,…
- [NTSB LAX92LA275](https://openairdocs.org/ntsb/LAX92LA275), Jul 3, 1992: Burkhart Grob G103 (N173SS), Olancha, CA, substantial damage. Probable cause: 1) THE TOW PILOT'S INTENTIONAL PREMATURE RELEASE OF THE GLIDER, WHICH HAD BECOME AIRBORNE, WHEN THE TOW PLANE FAILED TO ACHIEVE SUFFICIENT AIRSPEED DURING ITS TAKEOFF GROUND ROLL, AND, 2) THE GLIDER…

## FAA accident and incident reports on N173SS (2)

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 19981227033859A](https://openairdocs.org/incident/19981227033859A), Dec 27, 1998: Grob G103TWNASTIR (N173SS), Canon City, CO, Destroyed. Grob G-103 glider experienced canopy problems on take-off. (.19)on December 27, 1998, at 1115 mountain standard time, a burkhart Grob flugzeugbau G103 twin…
- [Accident 19920702026839A](https://openairdocs.org/incident/19920702026839A), Jul 2, 1992: Grob G103TWNASTIR (N173SS), Olancha, CA, Substantial damage. Tow plane unable to accelerate. Released glider. Glider unable abort hit bush. In tight turn trying to remake runway

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