# N51703: 1977 Enstrom Helicopter 280C, registration cancelled 2006-08-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 21, 2006
- Status when cancelled: Sale reported
- Airframe: [Enstrom Helicopter 280C](https://openairdocs.org/model/enstrom-helicopter-280c) (registry code 3300505)
- Engine: [Lycoming HI0-360 series](https://openairdocs.org/engine/lycoming-hi0-360-series) (registry code 41553)
- Data sheets: [TCDS H1CE](https://openairdocs.org/tcds/H1CE), [TCDS 1E10](https://openairdocs.org/tcds/1E10) (OpenAirDocs)
- Serial number: 1118
- Year built: 1977
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Standard, normal
- Airworthiness date: December 20, 1977
- Last registry action: April 19, 2006
- Mode S code: A67DE4
- Location: [Gilberts, IL](https://openairdocs.org/faa-place/IL/Gilberts)
- Owner type: Individual
- Owner's area on the map: 42.1052° N, 88.3804° W: Placed by OpenAirDocs at the center of ZIP code 60136, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N51703
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=51703
- Page: https://openairdocs.org/deregistered/N51703-2006-08-21

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 Enstrom Helicopter 280C: https://openairdocs.org/model/enstrom-helicopter-280c.md

## Service difficulty reports (2)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 99ZZZX342](https://openairdocs.org/sdr/99ZZZX342), Oct 10, 1997: CYLINDER. DAMAGED. DURING ANNUAL INSPECTION, 10-10-97, FOUND NR 2 CYLINDER COMPRESSION WAS LOW. AFTER INSPECTION OF CYLINDER, INTAKE VALVE SEAT WAS FOUND LOOSE, INTAKE VALVE WAS B
- [SDR 99ZZZX341](https://openairdocs.org/sdr/99ZZZX341), Oct 10, 1997: STUD. DAMAGED. DURING ANNUAL INSPECTION, 10-10-97, NR 2 CYLINDER COMPRESSION LOW. AFTER INSPECTION OF CYLINDER, FOUND INTAKE VALVE SEAT LOOSE AND VALVE BURNT. SUBMITTER STATED

## Other aircraft with N51703

- [Registered now](https://openairdocs.org/aircraft/N51703): Cessna T206H, S/N T20608933, built 2009
- [Cancelled 1967-09-19](https://openairdocs.org/deregistered/N51703-1967-09-19): Douglas DC-7B, S/N 44703. Exported to Honduras. Owner: [Braniff Airways Inc](https://openairdocs.org/faa-owner/BRANIFF%20AIRWAYS%20INC), [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas)
- [Cancelled 1951-11-06](https://openairdocs.org/deregistered/N51703-1951-11-06): Fairchild PT-19, S/N 5593AE, built 1943. Owner: [Colemill Flying Service](https://openairdocs.org/faa-owner/COLEMILL%20FLYING%20SERVICE), [Nashville, TN](https://openairdocs.org/faa-place/TN/Nashville)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.