# N15HS: 1977 Swenson ACRO SPORT S1, registration cancelled 2005-11-30

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 30, 2005
- Status when cancelled: Sale reported
- Airframe: [Swenson ACRO SPORT S1](https://openairdocs.org/model/swenson-acro-sport-s1) (registry code 0564632)
- Engine: [Lycoming 0-290 series](https://openairdocs.org/engine/lycoming-0-290-series) (registry code 41506)
- Data sheets: [TCDS E-229](https://openairdocs.org/tcds/E-229) (OpenAirDocs)
- Serial number: 1-HMS
- Year built: 1977
- Type of aircraft: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Experimental, amateur built
- Airworthiness date: June 20, 1980
- Last registry action: November 1, 2005
- Mode S code: A0C896
- Location: [Oshkosh, WI](https://openairdocs.org/faa-place/WI/Oshkosh)
- Owner type: Individual
- Owner's area on the map: 44.0232° N, 88.5623° W: Placed by OpenAirDocs: center of Oshkosh, WI, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N15HS
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=15HS
- Page: https://openairdocs.org/deregistered/N15HS-2005-11-30

From the FAA registry file of October 29, 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 Swenson ACRO SPORT S1: https://openairdocs.org/model/swenson-acro-sport-s1.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 CHI77FEX51](https://openairdocs.org/ntsb/CHI77FEX51), Sep 25, 1977: Acrosport 1 (N15HS), Indianapolis, IN, substantial damage

## Other aircraft with N15HS

- [Registered now](https://openairdocs.org/aircraft/N15HS): Textron G36, S/N E-4143, built 2020

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