# N604DA: 1997 Diamond Aircraft Ind DA20-A1, registration cancelled 2004-06-18

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 18, 2004
- Exported to: Germany
- Status when cancelled: Triennial form not returned
- Airframe: [Diamond Aircraft Ind DA20-A1](https://openairdocs.org/model/diamond-aircraft-ind-da20-a1) (registry code 2990000)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Data sheets: [TCDS TA4CH](https://openairdocs.org/tcds/TA4CH) (OpenAirDocs)
- Serial number: 10304
- Year built: 1997
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, utility
- Airworthiness date: August 29, 1997
- Certificate issued: November 15, 1999
- Last registry action: November 19, 2002
- Mode S code: A7D667
- Owner when cancelled: [State University Of New York At Farmingdale](https://openairdocs.org/faa-owner/STATE%20UNIVERSITY%20OF%20NEW%20YORK%20AT%20FARMINGDALE)
- Location: [Farmingdale, NY](https://openairdocs.org/faa-place/NY/Farmingdale)
- Owner type: Government
- Owner's area on the map: 40.7330° N, 73.4328° W: Placed by OpenAirDocs at the center of ZIP code 11735, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N604DA
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=604DA
- Page: https://openairdocs.org/deregistered/N604DA-2004-06-18

From the FAA registry file of October 28, 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 Diamond Aircraft Ind DA20-A1: https://openairdocs.org/model/diamond-aircraft-ind-da20-a1.md

## Other aircraft with N604DA

- [Registered now](https://openairdocs.org/aircraft/N604DA): Joseph Allen S1000, S/N S1000SN4001

---
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.