# N99981: Engineering & Research 415-C, registration cancelled 1970-07-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 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: 2604
- Type of aircraft: Fixed wing single engine
- Certificate issued: August 29, 1966
- Mode S code: ADF79C
- Owner when cancelled: [Laurel Volunteer Rescue Squad Inc](https://openairdocs.org/faa-owner/LAUREL%20VOLUNTEER%20RESCUE%20SQUAD%20INC)
- Location: [Laurel, MD](https://openairdocs.org/faa-place/MD/Laurel)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N99981
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=99981
- Page: https://openairdocs.org/deregistered/N99981-1970-07-07

From the FAA registry file of November 3, 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 DIA67F0049](https://openairdocs.org/ntsb/DIA67F0049), Feb 19, 1967: Ercoupe 415-C (N99981), Laurel, MD, substantial damage

## Other aircraft with N99981

- [Registered now](https://openairdocs.org/aircraft/N99981): Cessna 172P, S/N 17276533, built 1985

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