# N511U: 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: October 6, 2017
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=511U
- Page: https://openairdocs.org/aircraft/N511U

## Aircraft that carried N511U

- [Cancelled 2017-10-06](https://openairdocs.org/deregistered/N511U-2017-10-06): Thrash Frank J SA100, S/N WR-001, built 1972. Registration expired, pending cancellation. Owner: [Av-Mech LLC](https://openairdocs.org/faa-owner/AV-MECH%20LLC), [Leesburg, FL](https://openairdocs.org/faa-place/FL/Leesburg)

## NTSB investigations on N511U (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 MIA89LA079](https://openairdocs.org/ntsb/MIA89LA079), Feb 4, 1989: Stolp-Adams SA100 (N511U), Indian Rocks, FL, substantial damage. Probable cause: THE PILOT'S ATTEMPT TO PERFORM AEROBATIC MANEUVERS IN AN AIRCRAFT THAT WAS NOT EQUIPPED WITH FUEL AND OIL SYSTEMS THAT WOULD CONTINUE TO OPERATE IN INVERTED POSITIONS. THIS ACTION RESULTED IN A LOSS…

## FAA accident and incident reports on N511U (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 19890204015849A](https://openairdocs.org/incident/19890204015849A), Feb 4, 1989: Amtrsa SA100 (N511U), Indian Rocks Be, FL, Substantial damage. Engine quit, ditched in gulf off shore. Owner says pilot was flying inverted acrobatics. No inverted fuel system.

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