There are 15 Grumman FM-2 aircraft on the U.S. registry that TailWiki has a page for. Every one is built from the public FAA record — year, serial, engine, home base, and registration history — and owners and pilots add photos, trips, and stories on top. The ones listed here were built between 1943 and 1956.
N1352N
1956 Grumman FM-2
New London, PA
N222FM
1953 Grumman FM-2
Polk City, FL
N315E
1952 Grumman FM-2
Virginia Beach, VA
N11FE
1945 Grumman FM-2
Bangor, ME
N58918
1945 Grumman FM-2
Beaverton, OR
N5HP
1945 Grumman FM-2
Dover, DE
N6290C
1945 Grumman FM-2
Urbana, IL
N774FM
1945 Grumman FM-2
Granite Falls, MN
N47201
1944 Grumman FM-2
Reno, NV
N551TC
1944 Grumman FM-2
Lewes, DE
N909WJ
1944 Grumman FM-2
Wilmington, DE
N29FG
1943 Grumman FM-2
Lebanon, TN
N18P
Grumman FM-2
Addison, TX
N4629V
Grumman FM-2
Baldwin Park, CA
N86572
Grumman FM-2
Helena, MT