Battery AMTB 912
Battery AMTB 912 (1943-1946) - Battery AMTB 912 was a reinforced concrete World War II AMTB rapid fire 90mm gun battery on Fort Michie, New York. Battery construction started om 23 Apr 1943, was completed on 18 Jun 1943 and transferred to the Coastal Artillery for use 20 Dec 1943. Deactivated in 1946.
Battery AMTB 912 History
Part of the Harbor Defense of Long Island Sound.
The AMTB battery at Great Gull Island consisted of two 90mm guns mounted on 90mm M3 fixed gun mounts and two 90mm guns mounted on 90mm M1A1 mobile gun mounts. Concrete pads for both fixed guns were laid in front of Battery Davis (3). The battery had a dual mission of defense against fast enemy motor torpedo boats and enemy aircraft. The effective range of the guns was about 8,000 yards. Each weapon required a crew of 15, 9 men in the gun squad and 6 men in the ammunition squad.
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The above photos were taken at Fort Monroe, Battery Parrott From FM 4-91: "This weapon consists of the 90-mm gun M1 and top carriage M1A1 on the 90-mm gun mount M3. The mount M3 is of the turret type, the shielding being constructed of boiler plates. This boiler plate shield provide fragmentation protection only. No shielding is provided at the rear due to the requirements for service of the piece. A sighting port in the shielding in front permits sighting in direction by the gun pointer." References:
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| Empl No |
Caliber Type |
Barrel Length |
Model | Serial No |
Manufacturer | Carriage | Service Dates |
Notes | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 90mm Rifle | 186.15" | M1 | 7094 | GM | Pedestal Mount, M3, #199, GM | 1943-1946 | ||
| 2 | 90mm Rifle | 186.15" | M1 | 7071 | GM | Pedestal Mount, M3, #202, GM | 1943-1946 | ||
| 3 | 90mm Rifle | 186.15" | M1 | ? | Unknown | Mobile Mount, M1A1, #?, Unknown | 1943-1946 | ||
| 4 | 90mm Rifle | 186.15" | M1 | ? | Unknown | Mobile Mount, M1A1, #?, Unknown | 1943-1946 | ||
| Source: RCW Form 1, Aug 1944, Coast Defense Study Group, Berhow, Mark A. ed, American Seacoast Defenses: A Reference Guide, 2nd Edition, CDSG Press, McLean, VA, 2004, ISBN 0-9748167-0-1, pages 80-81 | |||||||||
Current Status
No period gun or mounts in place.
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Location: Great Gull Island, Suffolk County, New York. Maps & Images Lat: 41.203361 Long: -72.115213 |
Sources:
- U.S.Army, Supplement to the Harbor Defense Project of Long Island Sound, (HDLIS-AN-45), 15 Feb 1945, CDSG
Links:
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Battery AMTB 912 Picture Gallery
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