The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N1750Z

N1750Z is not currently registered. It was last assigned to a Thomas A Siminski ZENITH CH 750 built in 2012. The FAA cancelled the registration on July 6, 2018. The last status on file was "third notice for registration renewal". The number has been on and off the register 2 times.

Thomas A Siminski ZENITH CH 750 cancelled July 6, 2018

Serial number
75-7859
Type
Fixed-wing, single engine · Piston (reciprocating)
Year built
2012
Last status
Third notice for registration renewal
Certificate issued
April 30, 2012
Last FAA action
January 27, 2015
Last owner
Siminski Thomas A (Individual)
Zionsville, PA
Airworthiness
Experimental · Amateur built

Cessna 336 cancelled date not given

Serial number
3360050
Type
Fixed-wing, multi-engine · Piston (reciprocating)
Year built
—
Last status
N-number assigned but not yet registered
Certificate issued
—
Last FAA action
—
Last owner
Withheld
Airworthiness
None on file

NTSB accident and incident record under N1750Z

ERA15LA311Accident on August 14, 2015 at Allentown, PA: serious injuries, substantial damage.

Aircraft on the NTSB record: Thomas A Siminski ZENITH CH 750 · serial 75-7859

A partial loss of engine power due to the No. 1 spark plug being liberated from the cylinder head due to the stripped threads in the cylinder head. Contributing to the accident was the pilot’s decision to attempt to return to the airport while at a low altitude.

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