N6420E is not currently registered. It was last assigned to a Parker Michael G RV-4. The FAA cancelled the registration on August 2, 1999. The last status on file was "second attempt to mail the triennial form, no response". The number has been on and off the register 2 times.
Parker Michael G RV-4 cancelled August 2, 1999
- Serial number
- 1875
- Type
- Fixed-wing, single engine · Piston (reciprocating)
- Year built
- —
- Last status
- Second attempt to mail the triennial form, no response
- Certificate issued
- August 15, 1991
- Last FAA action
- March 26, 1999
- Last owner
- Parker Michael G (Individual)
Walnut Creek, CA - Airworthiness
- None on file
Cessna 172 cancelled July 13, 1970
- Serial number
- 46520
- Type
- Fixed-wing, single engine · Piston (reciprocating)
- Year built
- —
- Last status
- Valid registration
- Certificate issued
- August 2, 1961
- Last FAA action
- —
- Last owner
- Teterboro Aircraft Service INC (Corporation)
Teterboro, NJ - Airworthiness
- None on file
NTSB accident and incident record under N6420E
Aircraft on the NTSB record: Parker VANS RV-4 · serial 1875
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.
Aircraft on the NTSB record: Cessna 185F · serial 18504041
THE MISJUDGEMENT OF THE RUNWAY CONDITIONS ON THE PART OF THE PILOT PRIOR TO LANDING. CONTRIBUTING TO THE ACCIDENT WERE DEEP SNOW ON THE RUNWAY, BOX CANYON CONFIGURATION OF THE AREA PRECLUDING RUNWAY OVERFLIGHT, MARGINAL WEATHER/LIGHT CONDITIONS FOR ASSESSING THE RUNWAY STATUS AND FAILURE ON THE PART OF COMPANY DISPATCH PERSONNEL TO ACQUIRE AND PROVIDE THE PILOT WITH THE RUNWAY CONDITIONS BEFORE DIVERTING THE FLIGHT TO THE LOCATION OF THE MISHAP.
A tail number passes between aircraft over the years; match the serial number on the NTSB record against the airframe above. Source: NTSB aviation accident database, records through September 30, 2026.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this number on the FAA site