# N721PT: 2002 Polstra Philip ZODIAC CH 601 HDS, registration cancelled 2005-11-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 29, 2005
- Status when cancelled: Triennial form not returned
- Airframe: [Polstra Philip ZODIAC CH 601 HDS](https://openairdocs.org/model/polstra-philip-zodiac-ch-601-hds) (registry code 0560300)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 63423
- Year built: 2002
- Type of aircraft: Fixed wing single engine
- Airworthiness: Experimental, amateur built
- Airworthiness date: May 2, 2002
- Certificate issued: October 11, 1996
- Last registry action: October 18, 2005
- Mode S code: A9A89A
- Owner when cancelled: [Polstra Philip](https://openairdocs.org/faa-owner/POLSTRA%20PHILIP)
- Location: [Acworth, GA](https://openairdocs.org/faa-place/GA/Acworth)
- Owner type: Individual
- Owner's area on the map: 34.0345° N, 84.7073° W: Placed by OpenAirDocs at the center of ZIP code 30101, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N721PT
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=721PT
- Page: https://openairdocs.org/deregistered/N721PT-2005-11-29

From the FAA registry file of November 4, 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 Polstra Philip ZODIAC CH 601 HDS: https://openairdocs.org/model/polstra-philip-zodiac-ch-601-hds.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 ATL03LA106](https://openairdocs.org/ntsb/ATL03LA106), Jun 16, 2003: Polstra Zodiac CH 601 HDS (N721PT), Thomson, GA, substantial damage. Probable cause: The total loss of engine power due to the fatigue fracture of the No. 3 cylinder intake valve, which resulted in a forced landing to rough terrain and subsequent collision with small trees and a tree…

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20030616016879A](https://openairdocs.org/incident/20030616016879A), Jun 16, 2003: Amtr ZODIAC (N721PT), Thomson, GA, Substantial damage. (-23) On June 16, 2003, at approximately 9:20 am EDT, a polstra Zodiac ch 601 hds experimental aircraft, N721PT, registered to and operated by the private…

## Other aircraft with N721PT

- [Registered now](https://openairdocs.org/aircraft/N721PT): Tryon James A RV-7A, S/N 72112, built 2016

---
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.