# N3725H: Engineering & Research 415-C, registration cancelled 1970-12-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 7, 1970
- Status when cancelled: Valid registration
- Airframe: [Engineering & Research 415-C](https://openairdocs.org/model/engineering-research-415-c) (registry code 0420302)
- Data sheets: [TCDS A-718](https://openairdocs.org/tcds/A-718) (OpenAirDocs)
- Serial number: 4350
- Type of aircraft: Fixed wing single engine
- Certificate issued: February 15, 1966
- Mode S code: A43E48
- Owner when cancelled: [Utzinger Gary R](https://openairdocs.org/faa-owner/UTZINGER%20GARY%20R)
- Location: [Bartonville, IL](https://openairdocs.org/faa-place/IL/Bartonville)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N3725H
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3725H
- Page: https://openairdocs.org/deregistered/N3725H-1970-12-07

From the FAA registry file of November 5, 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 Engineering & Research 415-C: https://openairdocs.org/model/engineering-research-415-c.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 CHI67A0076](https://openairdocs.org/ntsb/CHI67A0076), Dec 16, 1966: Erco 415C (N3725H), Pekin, IL, destroyed, 2 fatal

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