# N1Z: 1956 Bell 47H-1, registration cancelled 2003-04-18

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 18, 2003
- Status when cancelled: Second triennial mailing, no response
- Airframe: [Bell 47H-1](https://openairdocs.org/model/bell-47h-1) (registry code 1181011)
- Engine: [Franklin 6A4200 series](https://openairdocs.org/engine/franklin-6a4200-series) (registry code 27027)
- Data sheets: [TCDS H-1](https://openairdocs.org/tcds/H-1), [TCDS E-238](https://openairdocs.org/tcds/E-238) (OpenAirDocs)
- Serial number: 1367
- Year built: 1956
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard
- Airworthiness date: June 19, 1956
- Certificate issued: August 12, 1970
- Last registry action: February 11, 2002
- Mode S code: A00241
- Owner when cancelled: [Yehnert B E](https://openairdocs.org/faa-owner/YEHNERT%20B%20E)
- Location: [Upland, CA](https://openairdocs.org/faa-place/CA/Upland)
- Owner type: Individual
- Owner's area on the map: 34.1052° N, 117.6621° W: Placed by OpenAirDocs at the center of ZIP code 91786, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N1Z
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1Z
- Page: https://openairdocs.org/deregistered/N1Z-2003-04-18

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 Bell 47H-1: https://openairdocs.org/model/bell-47h-1.md

## NTSB investigations (2)

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 LAX70F0142](https://openairdocs.org/ntsb/LAX70F0142), Aug 30, 1969: Bell 47-H (N1Z), Laguna Bch, CA, substantial damage
- [NTSB UNK65X0522](https://openairdocs.org/ntsb/UNK65X0522), Nov 1, 1964: Bell 47H1 (N1Z), Lagunabeach, CA, substantial damage

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