# N400QS: Braatz William G QUICKSILVER GT 400, registration cancelled 2011-05-09

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 9, 2011
- Status when cancelled: Assigned (non-type certificated), pending cancellation
- Airframe: [Braatz William G QUICKSILVER GT 400](https://openairdocs.org/model/braatz-william-g-quicksilver-gt-400) (registry code 05676P4)
- Serial number: 1029
- Type of aircraft: Fixed wing single engine
- Last registry action: October 20, 1986
- Mode S code: A4AE10
- The mark today: https://openairdocs.org/aircraft/N400QS
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=400QS
- Page: https://openairdocs.org/deregistered/N400QS-2011-05-09

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 Braatz William G QUICKSILVER GT 400: https://openairdocs.org/model/braatz-william-g-quicksilver-gt-400.md

## Other aircraft with N400QS

- [Registered now](https://openairdocs.org/aircraft/N400QS): Embraer Executive EMB-505, S/N 50500920, built 2026

---
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.