# N6721C: Piper PA-18, registration cancelled 1970-10-06

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 6, 1970
- Status when cancelled: Valid registration
- Airframe: [Piper PA-18](https://openairdocs.org/model/piper-pa-18) (registry code 7101802)
- Data sheets: [TCDS 1A2](https://openairdocs.org/tcds/1A2) (OpenAirDocs)
- Serial number: 18-862
- Type of aircraft: Fixed wing single engine
- Mode S code: A8E5A4
- Owner when cancelled: [U S Army](https://openairdocs.org/faa-owner/U%20S%20ARMY)
- Owner type: Government
- The mark today: https://openairdocs.org/aircraft/N6721C
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6721C
- Page: https://openairdocs.org/deregistered/N6721C-1970-10-06

From the FAA registry file of November 12, 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 Piper PA-18: https://openairdocs.org/model/piper-pa-18.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 UNK64X1916](https://openairdocs.org/ntsb/UNK64X1916), May 23, 1964: Piper PA18 (N6721C), Death Valley, CA, substantial damage

## Other aircraft with N6721C

- [Cancelled 2018-11-26](https://openairdocs.org/deregistered/N6721C-2018-11-26): Beech 77, S/N WA-82, built 1980. Exported to Guatemala. Owner: [Anders Ronald A Jr](https://openairdocs.org/faa-owner/ANDERS%20RONALD%20A%20JR), [Gilbert, AZ](https://openairdocs.org/faa-place/AZ/Gilbert)

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.