# N74816: Sikorsky HO5-S1, registration cancelled 1966-11-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 7, 1966
- Status when cancelled: Valid registration
- Airframe: [Sikorsky HO5-S1](https://openairdocs.org/model/sikorsky-ho5-s1) (registry code 8141308)
- Data sheets: [TCDS 1H2](https://openairdocs.org/tcds/1H2) (OpenAirDocs)
- Serial number: 128606
- Type of aircraft: Rotorcraft
- Certificate issued: June 15, 1965
- Mode S code: AA12DC
- Owner when cancelled: [Peter Karp Inc](https://openairdocs.org/faa-owner/PETER%20KARP%20INC)
- Location: [Leonia, NJ](https://openairdocs.org/faa-place/NJ/Leonia)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N74816
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=74816
- Page: https://openairdocs.org/deregistered/N74816-1966-11-07

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 Sikorsky HO5-S1: https://openairdocs.org/model/sikorsky-ho5-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 NYC66A0058](https://openairdocs.org/ntsb/NYC66A0058), Nov 20, 1965: Sikorsky S-52-3 (N74816), Carlstadt, NJ, destroyed

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