# N91SF: Kroupa Milan BENSEN B8M, registration cancelled 2013-10-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 29, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Kroupa Milan BENSEN B8M](https://openairdocs.org/model/kroupa-milan-bensen-b8m) (registry code 13021SG)
- Serial number: MK1930
- Type of aircraft: Rotorcraft
- Certificate issued: July 22, 1991
- Last registry action: December 15, 2009
- Mode S code: AC95E8
- Owner when cancelled: [Frost Stephen A](https://openairdocs.org/faa-owner/FROST%20STEPHEN%20A)
- Location: [San Diego, CA](https://openairdocs.org/faa-place/CA/San%20Diego)
- Owner type: Individual
- Owner's area on the map: 32.8568° N, 117.2102° W: Placed by OpenAirDocs at the center of ZIP code 92122, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N91SF
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=91SF
- Page: https://openairdocs.org/deregistered/N91SF-2013-10-29

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 Kroupa Milan BENSEN B8M: https://openairdocs.org/model/kroupa-milan-bensen-b8m.md

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