N3946Z is not currently registered. It was last assigned to a Robinson Helicopter R22 BETA built in 1996. The FAA cancelled the registration on August 12, 2010 when the aircraft was exported to Japan. The last status on file was "valid registration". The number has been on and off the register 2 times.
Robinson Helicopter R22 BETA cancelled August 12, 2010
- Serial number
- 2647
- Type
- Rotorcraft · Piston (reciprocating)
- Year built
- 1996
- Last status
- Valid registration
- Exported to
- Japan
- Certificate issued
- April 6, 2010
- Last FAA action
- April 6, 2010
- Last owner
- Shizuka Saito INC (Non-citizen corporation)
Wilmington, DE - Airworthiness
- Standard · Normal
Piper PA-18S cancelled September 19, 1990
- Serial number
- 187804
- Type
- Fixed-wing, single engine · Piston (reciprocating)
- Year built
- —
- Last status
- N-number assigned but not yet registered
- Certificate issued
- —
- Last FAA action
- —
- Last owner
- Withheld (Co-owned)
- Airworthiness
- None on file
NTSB accident and incident record under N3946Z
Aircraft on the NTSB record: Piper PA-18-150 · serial 18-7804
PILOT LOST CONTROL OF THE AIRPLANE AS A RESULT OF ENCOUNTERING SEVERE WEATHER EITHER DURING TAKEOFF OR LANDING. CONTRIBUTING TO THE ACCIDENT WAS THE SEVERE WEATHER, ROUGH WATER SURFACE, AND SELF-INDUCED PRESSURE TO FLY BY THE PILOT.
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