Maker · data as of October 2, 2026

Griswold Dennis

2 aircraft on the U.S. register. The most recent registration was November 6, 2023.

PROTECH PT21KIS1

PROTECH PT2 · KIS

Wisconsin1Minnesota1

Aircraft newest first

Tail no.	Maker and model	Group	Owner and base	Certificate	Registered	Status
N5105U	Griswold Dennis KIS	Fixed-wing, single engine	Individual owner Minnesota	None on file	2023-11-06	Valid
N6232J	Griswold Dennis PROTECH PT2	Fixed-wing, single engine	Individual owner Wisconsin	None on file	2019-07-29	Valid