# N3503H: Engineering & Research ERCOUPE 415-C, registration cancelled 1981-01-12

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 12, 1981
- Status when cancelled: Valid registration
- Airframe: [Engineering & Research ERCOUPE 415-C](https://openairdocs.org/model/engineering-research-ercoupe-415-c) (registry code 0420312)
- Serial number: 4128
- Type of aircraft: Fixed wing single engine
- Certificate issued: November 26, 1973
- Mode S code: A3E796
- Owner when cancelled: [Brown Robert L& Plank John](https://openairdocs.org/faa-owner/BROWN%20ROBERT%20L%26%20PLANK%20JOHN)
- Location: [Hugoton, KS](https://openairdocs.org/faa-place/KS/Hugoton)
- Owner type: Partnership
- The mark today: https://openairdocs.org/aircraft/N3503H
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3503H
- Page: https://openairdocs.org/deregistered/N3503H-1981-01-12

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 Engineering & Research ERCOUPE 415-C: https://openairdocs.org/model/engineering-research-ercoupe-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 DEN78FTE19](https://openairdocs.org/ntsb/DEN78FTE19), Dec 14, 1977: Erco 415-C (N3503H), Peyton, CO, substantial damage

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 19771214039889A](https://openairdocs.org/incident/19771214039889A), Dec 14, 1977: Univar 415C (N3503H), Peyton, CO, Substantial damage. Density altitude 7200 ft. pilot did not lean mixture.

## Other aircraft with N3503H

- [Registered now](https://openairdocs.org/aircraft/N3503H): Cessna 182T, S/N 18281006

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