Maker · data as of October 23, 2026

William Cooper

1 aircraft on the U.S. register. The most recent registration was October 20, 2026.

MILLER SPORT WM21

Models, as a table

	aircraft
MILLER SPORT WM2	1

MILLER SPORT WM2

By state, as a table

	aircraft
Pennsylvania	1

Registrations by year, as a table

	aircraft
2026	1

Where they are

Analytics

Aircraft newest first

Tail no.	Maker and model	Group	Owner and base	Certificate	Registered	Status
N537RS	William Cooper MILLER SPORT WM2	Glider	Individual owner Pennsylvania	None on file	2026-10-20	Valid