# N11AG: 1991 Ankerman Donald L SWEARINGEN SX300, registration cancelled 2013-10-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 29, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Ankerman Donald L SWEARINGEN SX300](https://openairdocs.org/model/ankerman-donald-l-swearingen-sx300) (registry code 8800010)
- Engine: [Lycoming IO-540 series](https://openairdocs.org/engine/lycoming-io-540-series) (registry code 41530)
- Data sheets: [TCDS 1E4](https://openairdocs.org/tcds/1E4) (OpenAirDocs)
- Serial number: FAI11
- Year built: 1991
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: June 27, 1991
- Certificate issued: June 26, 1991
- Last registry action: July 21, 1997
- Mode S code: A029E1
- Owner when cancelled: [Flying Ankers Inc](https://openairdocs.org/faa-owner/FLYING%20ANKERS%20INC)
- Location: [Pompano Beach, FL](https://openairdocs.org/faa-place/FL/Pompano%20Beach)
- Owner type: Corporation
- Owner's area on the map: 26.2358° N, 80.1571° W: Placed by OpenAirDocs at the center of ZIP code 33069, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N11AG
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=11AG
- Page: https://openairdocs.org/deregistered/N11AG-2013-10-29

From the FAA registry file of November 4, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Ankerman Donald L SWEARINGEN SX300: https://openairdocs.org/model/ankerman-donald-l-swearingen-sx300.md

## 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 MIA92LA096](https://openairdocs.org/ntsb/MIA92LA096), Mar 11, 1992: Ankerman, Donald L. SX300 (N11AG), Okeechobee, FL, destroyed, 2 fatal. Probable cause: FAILURE OF THE PILOT-IN-COMMAND TO MAINTAIN AIRSPEED (VS) RESULTING IN INADVERTENT STALL/MUSH.

## 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 19920311005829A](https://openairdocs.org/incident/19920311005829A), Mar 11, 1992: Amtres SX300 (N11AG), Okeechobee, FL, Destroyed, 2 fatal. Observed to stall in steep 360 for traffic spacing. Spun into a canal. Part of wing and stabilizer missing.

## Other aircraft with N11AG

- [Registered now](https://openairdocs.org/aircraft/N11AG): Pilatus PC-12/45, S/N 343, built 2000

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