N4246Z is not currently registered. It was last assigned to a Robinson Helicopter R44 II built in 2009. The FAA cancelled the registration on June 5, 2020 when the aircraft was exported to Costa Rica. The last status on file was "valid registration". The number has been on and off the register 2 times.
Robinson Helicopter R44 II cancelled June 5, 2020
- Serial number
- 12697
- Type
- Rotorcraft · Piston (reciprocating)
- Year built
- 2009
- Last status
- Valid registration
- Exported to
- Costa Rica
- Certificate issued
- —
- Last FAA action
- March 30, 2020
- Last owner
- Bas Part Sales LLC (LLC)
Greeley, CO - Airworthiness
- Standard · Normal
Cessna 441 cancelled date not given
- Serial number
- 4410102
- Type
- Fixed-wing, multi-engine · Turboprop
- Year built
- —
- Last status
- B
- Certificate issued
- —
- Last FAA action
- —
- Last owner
- Withheld
- Airworthiness
- None on file
NTSB accident and incident record under N4246Z
Aircraft on the NTSB record: Robinson R44 · serial 12697
The pilot's failure to maintain clearance from the power lines.
Aircraft on the NTSB record: Robinson Helicopter Company R44 II · serial 12697
A total loss of engine power during a practice autorotation for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.
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