# N604X: 2006 Shultz Jeffrey D SONEX, registration cancelled 2009-12-14

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 14, 2009
- Status when cancelled: Triennial form not returned
- Airframe: [Shultz Jeffrey D SONEX](https://openairdocs.org/model/shultz-jeffrey-d-sonex) (registry code 05621RX)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 604
- Year built: 2006
- Type of aircraft: Fixed wing single engine
- Airworthiness: Experimental, amateur built
- Airworthiness date: September 27, 2006
- Certificate issued: July 20, 2006
- Last registry action: July 21, 2009
- Mode S code: A7D828
- Owner when cancelled: [Shultz Jeffrey D](https://openairdocs.org/faa-owner/SHULTZ%20JEFFREY%20D)
- Location: [Dixon, MO](https://openairdocs.org/faa-place/MO/Dixon)
- Owner type: Individual
- Owner's area on the map: 38.0297° N, 92.0967° W: Placed by OpenAirDocs at the center of ZIP code 65459, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N604X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=604X
- Page: https://openairdocs.org/deregistered/N604X-2009-12-14

From the FAA registry file of October 31, 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 Shultz Jeffrey D SONEX: https://openairdocs.org/model/shultz-jeffrey-d-sonex.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 CEN09CA391](https://openairdocs.org/ntsb/CEN09CA391), Jun 25, 2009: Shultz Jeffrey D Sonex (N604X), Mena, AR, substantial damage. Probable cause: The total loss of engine power for undetermined reasons.

## 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 20090624009549A](https://openairdocs.org/incident/20090624009549A), Jun 24, 2009: Amtr SONEX (N604X), Mena, AR, Substantial damage. (-23) On June 24, 2009, at approximately 1930 hours, N604X, ser number:604, an experimental amateur built aircraft, being operated by a certificated private…

## Other aircraft with N604X

- [Cancelled 1975-12-22](https://openairdocs.org/deregistered/N604X-1975-12-22): Sikorsky S-55B, S/N 55459. Owner: [Trans Alaska Helicopters Inc](https://openairdocs.org/faa-owner/TRANS%20ALASKA%20HELICOPTERS%20INC), [Seattle, WA](https://openairdocs.org/faa-place/WA/Seattle)

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