# N16509: Waco YKS-6, registration cancelled 1955-10-05

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 5, 1955
- Status when cancelled: Valid registration
- Airframe: [Waco YKS-6](https://openairdocs.org/model/waco-yks-6) (registry code 9600832)
- Data sheets: [TCDS A-533](https://openairdocs.org/tcds/A-533) (OpenAirDocs)
- Serial number: 4501
- Type of aircraft: Fixed wing single engine
- Certificate issued: July 30, 1948
- Mode S code: A106BB
- Owner when cancelled: [Helms Aero Service](https://openairdocs.org/faa-owner/HELMS%20AERO%20SERVICE)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N16509
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=16509
- Page: https://openairdocs.org/deregistered/N16509-1955-10-05

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 Waco YKS-6: https://openairdocs.org/model/waco-yks-6.md

## Other aircraft with N16509

- [Registered now](https://openairdocs.org/aircraft/N16509): Piper PA-28-180, S/N 28-7305271, built 1973

---
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.