N450KK is not currently registered. It was last assigned to a Gulfstream Aerospace G-IV built in 1993. The FAA cancelled the registration on June 26, 2018. The last status on file was "registration pending, canceled".
Gulfstream Aerospace G-IV cancelled June 26, 2018
- Serial number
- 1225
- Type
- Fixed-wing, multi-engine · Turbofan
- Year built
- 1993
- Last status
- Registration pending, canceled
- Certificate issued
- —
- Last FAA action
- May 30, 2017
- Last owner
- Registration Pending (Individual)
Hollywood, FL - Airworthiness
- Standard · Transport
NTSB accident and incident record under N450KK
Aircraft on the NTSB record: Gulfstream Aerospace G IV · serial 1225
The in-flight failure of the cabin pressurization relief/safety valve (CPRV) due to an obstruction of the CPRV static port, which allowed the airplane to overpressurize. The reason for the initial overpressurization condition could not be determined.
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