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Aircraft record

N1750Z2012 Thomas A Siminski ZENITH CH 750

DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Jul 6, 2018.

Safety record in brief:1 NTSB accident (substantial damage, Aug 2015)No ADs since 1998 matched1 service difficulty report

Registration
Deregistered
Last based in
Zionsville, PA
owner city / state
Engine
GO-140 · 145 hp
Corvair
Owners
1
since 2012
NTSB events
1
substantial, 2015
ADs may apply
0
confirm with A&P
Service reports
1
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Last registered owner
Individual owner
City, state
Zionsville, PA
Certificate issued
Apr 30, 2012
Canceled
Jul 6, 2018
Airworthiness
Experimental · Amateur Built
Airworthiness date
Jun 28, 2012

We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.

Airframe & engine

FAA Registry + type data

Airframe

Manufacturer
Thomas A Siminski
Model
ZENITH CH 750
Year
2012
Serial number
75-7859
Aircraft type
Fixed wing single engine
Category
Land
Certification
Not Type Certificated
Seats
2
Engines
1
Max takeoff weight
Up to 12,499 lb
Kit
Zenith Aircraft Co Stol Ch 750
Mode S code
A12E30

Engine

Make and model
Corvair Go-140
Type
Reciprocating
Power
145 hp

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records
  1. 2012 – 2018Individual ownerZionsville, PA
  2. Date unknownIndividual ownerdifferent airframe: Cessna 336 S/N 3360050

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026

NTSB events (1)

Accident · substantial damage

Aug 14, 2015 · Allentown, PA

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.

Damage
Substantial
Injuries
Serious
Report
ERA15LA311

From NTSB records; matched by serial number.Read NTSB report (search CAROL for ERA15LA311)

ADs published since 1998 that may apply (0)

These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.

No ADs published since 1998 matched this airframe or engine model.

AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.

Service Difficulty Reports (1)

Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.

  • Reciprocating engine · cylinder head · damagedSep 23, 2015

    NR 1 SPARK PLUG, RIGHT REAR, WAS EJECTED FROM CYLINDER HEAD, RESULTING IN PARTIAL POWER LOSS. SPARK PLUG THREADED BOSS IS ALUMINUM HEAD AND SUBJECT TO WEAR AND FAILURE.

    From FAA Service Difficulty Reports; matched by N-number and serial number.

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 20, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 20, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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