Locomotive Airhorn Usage

The following is a list of railroads and some of the airhorns they used. This is by no means a complete list and is intended only as a guide.

Amtrak Nathan K5LA, Leslie A200, Leslie S3L
Atlantic Coast Line Nathan M3, Nathan M5, Wabco E2
Baltimore and Ohio Nathan M5, Leslie A200, Leslie S3L, Leslie S5T
Bangor and Aroostook Nathan M3, Leslie A200, Leslie A125
Boston and Maine Nathan M3, Leslie A200, Leslie A125, Leslie S3L
Burlington Northern Nathan M3, Nathan P3, Leslie A200, Leslie S2M, Leslie S3L, Leslie S5T, Leslie RS5T
Burlington Northern Santa Fe Holden M3H, Nathan P3, Leslie A200, Leslie S2M, Leslie S3L
Canadian National Holden M3H, Holden K3L
Canadian Pacific Holden M3H, Holden K3L
Central of Georgia Nathan M3, Nathan M5, Leslie A200, Leslie A125
Chesapeake and Ohio Nathan M3, Nathan M5, Nathan K5LA, Leslie A200, Leslie S3L
Chicago, Burlington and Quincy Leslie A200, Leslie A125, Leslie S2M
Chicago and North Western Nathan M3, Nathan P3, Nathan P5, Nathan K5H, Leslie A200, Leslie A125, Leslie S3L, Leslie S5T
Conrail Nathan P3, Nathan K5LA, Leslie A200, Leslie S3L
Cotton Belt Nathan M3, Nathan P3
CSX Nathan P3, Nathan K5H, Nathan K5LA, Leslie S3L, Leslie RS5T
Delaware and Hudson Nathan M3, Wabco E2, Leslie S3L
Erie Lackawanna Nathan M3, Leslie A200, Leslie S3L
Frisco Nathan M5, Leslie A200, Leslie A125, Leslie S3L, Leslie S5T, Wabco E2
Grand Trunk Western Holden M3H, Leslie A200, Leslie A125
Great Northern Leslie A200, Leslie A125
Illinois Central Nathan M3, Nathan M5, Nathan P3, Nathan P5, Nathan K5LA, Leslie A200, Leslie A125, Leslie RS5T, Wabco E2
Kansas City Southern Nathan M3, Nathan M5, Nathan P5, Nathan K5LA, Leslie A200, Leslie A125, Wabco E2, Leslie RS5T
Lehigh Valley Nathan M3, Leslie A200
Long Island Nathan M3
Maine Central Nathan M3, Nathan K5LA, Leslie A200
Milwaukee Road Leslie A200, Leslie A125, Leslie S2M, Leslie S3L
Missouri Pacific Leslie A200, Leslie A125, Leslie S3L, Wabco E2
New Haven Wabco E2
New York Central Leslie A200, Leslie S2M, Leslie S3L, Wabco E2
Nickel Plate Nathan M5, Leslie A200, Leslie S3L
Norfolk and Western Nathan M3, Nathan M5, Nathan P5, Leslie A200, Leslie S5T
Norfolk Southern Railway Nathan M5, Nathan P3, Nathan P5, Nathan K5H, Nathan K5LA, Leslie RS5T
Northern Pacific Nathan P3, Leslie A200
Pennsylvania Nathan M3, Leslie A200, Leslie S3L
Reading Nathan M3, Nathan M5
Rio Grande Nathan M3, Nathan P3, Leslie A200, Nathan K5LA, Leslie S3L, Wabco E2
Rock Island Nathan P3, Nathan P5, Leslie A200, Leslie A125
Santa Fe Nathan M5, Nathan P3, Leslie A200, Leslie A125, Leslie S2M, Leslie S3L, Wabco E2
Seaboard System Nathan M5, Nathan K5LA
Soo Line Nathan P3, Leslie A200, Leslie S3L, Wabco E2
Southern Nathan M3, Nathan M5, Nathan P3, Wabco E2
Southern Pacific Nathan M3, Nathan M5, Nathan P3, Nathan P5, Nathan K5H, Leslie A200, Leslie S3L, Wabco E2
Spokane, Portland and Seattle Nathan M3, Nathan P3
Susquehanna Nathan K5H, Leslie S3L
Tennessee Central Nathan M5
Union Pacific Leslie A200, Leslie A125, Leslie S3L, Wabco E2
Virginian Nathan M3
Wabash Leslie A200, Leslie A125, Wabco E2
Western Maryland Nathan M5, Leslie A200, Leslie S5T
Western Pacific Nathan M5, Leslie A200
Wisconsin Central Nathan P3, Leslie S3L