a train approaching and tooting it's little horn as it passes by. then about 55 seconds of track noise/ crossing ...
a train passing by while blowing it's whistle/horn.
A big truck made out to look like a train engine passes, blowing its horn and steam whistle.
Horn of a cruiser in Istanbul (3 times) Sound recorded by a MS setup Schoeps Microphone CCM41+CCM8 Sound Devices 552 ...
Distant Train Fog Horn recorded in WYOMMING using a Sony PCM-50
Air horn on an oil rig in Alberta
This is the horn/siren from the firehouse just a couple miles up the road. Minidisc.
artificially created ship horn sound for amateur movie