Lighthouses and Lightships With Fog Signals for North Atlantic (1950)

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10- Diaphone
8- 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, two-tone, air; 2 blasts every 20 sec., blast 1.5 secs., silent 3 sec., blast 1.5 secs., silent 14 sec. N38 47.100 W075 00.700
Boston Lightship MA DIAPHONE, two-tone, air; blast 3 sec., silent 17 sec. N42 20.400 W070 45.500
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
Nantucket Shoals Lightship MA DIAPHONE, two-tone, air; blast 3 sec., silent 12 sec. N40 37.000 W069 18.500
Pollock Rip Lightship MA DIAPHONE, air; blast 3.5 sec., silent 26.5 seconds. N41 36.100 W069 51.100
Stonehorse Shoal Lightship MA DIAPHONE, two-tone, air; blast 3 sec., silent 12 sec. N41 32.800 W069 59.100
Vineyard Sound Lightship MA HORN, diaphragm, steam; blast 3 sec., silent 27 sec. N41 22.600 W071 00.200
Portland Lightship ME HORN, diaphragm, air; blast 3 sec., silent 27 sec. N43 31.600 W070 05.500
Ambrose Channel Lightship NJ HORN, diaphragm, air; blast 3 sec., silent 12 sec. N40 27.100 W073 04.400
Barnegat Lightship NJ HORN, diaphragm, air; blast 3 sec., silent 17 sec. N39 45.000 W073 56.000
Five Fathom Bank Lightship NJ DIAPHONE, two-tone, air; blast 2-sec., silent 28 sec. N38 47.300 W074 34.600
Scotland Lightship NJ HORN, diaphragm, air; group of 2 blasts every 20 sec.; blast 2 sec., silent 2 sec., blast 2 sec., silent 14 sec. N40 26.600 W073 55.200
Brenton Reef Lightship RI DIAPHONE, air; blast 6 sec., silent 24 sec. N41 25.600 W071 22.600
Chesapeake Lightship VA DIAPHONE, two-tone, air; blast 3 sec., silent 27 sec. N36 58.700 W075 42.200
Winter Quarter Shoal Lightship VA DIAPHONE, two-tone, air; blast 3 sec., silent 57 sec. N37 55.500 W074 56.400