The U.S. aircraft register, updated daily
Maker · data as of November 6, 2026

Klemp Gregory J

2 aircraft on the U.S. register. The most recent registration was October 21, 2025.

Models

CHALLENGER II2
Models, as a table
aircraft
CHALLENGER II2

CHALLENGER II

States

By state, as a table
aircraft
Wisconsin1
Michigan1

Registrations by year

0001112025
Registrations by year, as a table
aircraft
20251

Connections how Klemp Gregory J links to the rest of the register

Engines
Where they are
Record

The whole map of how records connect · these connections as data: /graph/maker/klemp-gregory-j.json.

Aircraft newest first

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N12911 Klemp Gregory J
CHALLENGER II
Fixed-wing, single engine Individual owner
Michigan
Experimental 2025-10-21 ValidFAA registration status code V: Valid registration. All codes
N392SK Klemp Gregory J
CHALLENGER II
Fixed-wing, single engine Individual owner
Wisconsin
Experimental Sale reportedFAA registration status code 7. All codes