# N6420E: Parker Michael G RV-4, registration cancelled 1999-08-02

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 2, 1999
- Status when cancelled: Second triennial mailing, no response
- Airframe: [Parker Michael G RV-4](https://openairdocs.org/model/parker-michael-g-rv-4) (registry code 05608QX)
- Serial number: 1875
- Type of aircraft: Fixed wing single engine
- Certificate issued: August 15, 1991
- Last registry action: March 26, 1999
- Mode S code: A86F06
- Owner when cancelled: [Parker Michael G](https://openairdocs.org/faa-owner/PARKER%20MICHAEL%20G)
- Location: [Walnut Creek, CA](https://openairdocs.org/faa-place/CA/Walnut%20Creek)
- Owner type: Individual
- Owner's area on the map: 37.8721° N, 122.0690° W: Placed by OpenAirDocs at the center of ZIP code 94595, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N6420E
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6420E
- Page: https://openairdocs.org/deregistered/N6420E-1999-08-02

From the FAA registry file of November 7, 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 Parker Michael G RV-4: https://openairdocs.org/model/parker-michael-g-rv-4.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 LAX99LA165](https://openairdocs.org/ntsb/LAX99LA165), Apr 12, 1999: Parker Vans RV-4 (N6420E), Red Bluff, CA, substantial damage. Probable cause: A crack which developed in the automotive-type oil cooler of the experimental, amateur built aircraft and permitted the engine oil supply to flow overboard.

## 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 19990412003949A](https://openairdocs.org/incident/19990412003949A), Apr 12, 1999: Amtr RV4 (N6420E), Red Bluff, CA, Substantial damage. (Tty) acft was at 3,000 feet while en route when it lost oil pressure and the engine stopped, the pilot attempted to make an emergency landing in a field, the…

## Other aircraft with N6420E

- [Cancelled 1970-07-13](https://openairdocs.org/deregistered/N6420E-1970-07-13): Cessna 172, S/N 46520. Owner: [Teterboro Aircraft Service Inc](https://openairdocs.org/faa-owner/TETERBORO%20AIRCRAFT%20SERVICE%20INC), [Teterboro, NJ](https://openairdocs.org/faa-place/NJ/Teterboro)

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