Lighthouses and Lightships With Fog Signals for North Atlantic (1943)

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5- Diaphone
4- Horn

Lighthouses with Audible Fog Signals

Cornfield Point Lightship CT DIAPHONE, two-tone, air; blast 2 sec., silent 13 sec. N41 12.900 W072 22.200
Overfalls Lightship DE DIAPHONE, air; 2 blasts every 20 sec., blast 1.5 sec., silent 3 sec., blast 1.5 sec., silent 14 sec. N38 48.000 W075 01.400
Cross Rip Lightship MA HORN, diaphragm, air; blast 3 sec., silent 12 sec. N41 26.800 W070 17.500
Handkerchief Shoal Lightship MA HORN, diaphragm, air; blast 4 sec., silent 26 sec. N41 29.200 W070 04.000
Hen and Chickens Lightship MA HORN, diaphragm, chime, air; blast 3 sec., silent 12 sec. N41 27.000 W071 01.100
Stonehorse Shoal Lightship MA DIAPHONE, two-tone, air; blast 3 sec., silent 12 sec. N41 32.800 W069 59.100
Vineyard Sound Lightship MA DIAPHONE, air; blast 3 sec., silent 27 sec. N41 22.600 W071 00.200
Ambrose Channel Lightship NJ HORN, diaphragm, air; blast 3 sec., silent 12 sec. N40 27.100 W073 04.400
Brenton Reef Lightship RI DIAPHONE, air; blast, 6 sec., silent 24 sec. N41 25.600 W071 22.600