There are 27 Engineering & Research 415-D 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 1946 and 1947.
N3761H
1947 Engineering & Research 415-D
Whitewright, TX
N3940H
1947 Engineering & Research 415-D
Shinnston, WV
N39TR
1947 Engineering & Research 415-D
Fairfield, MT
N415SS
1947 Engineering & Research 415-D
Houston, TX
N94677
1947 Engineering & Research 415-D
Jacksonville, FL
N169WS
1946 Engineering & Research 415-D
Shapleigh, ME
N2357H
1946 Engineering & Research 415-D
Richmond, KY
N2377H
1946 Engineering & Research 415-D
Broken Arrow, OK
N2586H
1946 Engineering & Research 415-D
Winter Haven, FL
N2596H
1946 Engineering & Research 415-D
Oklahoma City, OK
N3020H
1946 Engineering & Research 415-D
Cookeville, TN
N3049H
1946 Engineering & Research 415-D
Lake Wylie, SC
N3254H
1946 Engineering & Research 415-D
Hillsboro, KS
N3378H
1946 Engineering & Research 415-D
Greeley, CO
N3593H
1946 Engineering & Research 415-D
Baldwin Park, CA
N3618H
1946 Engineering & Research 415-D
St Charles, IL
N87104
1946 Engineering & Research 415-D
Dover, DE
N87315
1946 Engineering & Research 415-D
Moncks Corner, SC
N93536
1946 Engineering & Research 415-D
Swansea, SC
N93871
1946 Engineering & Research 415-D
Conway, AR
N99112
1946 Engineering & Research 415-D
Townsend, DE
N99139
1946 Engineering & Research 415-D
Fenton, MI
N99430
1946 Engineering & Research 415-D
Eaton Rapids, MI
N99672
1946 Engineering & Research 415-D
Edwardsburg, MI
N2231H
Engineering & Research 415-D
Hartland, WI
N2904H
Engineering & Research 415-D
Las Vegas, NV
N3888H
Engineering & Research 415-D
Williamsport, MD