Hauppauge
| Name | Hauppauge |
| Type | Sailing vessel |
| GRT | 1,446 tons |
| Country |  American |
| Built | 1917 |
| Builder | Naul Shipbuilding Co., Wilimngton, NC |
| Operator | East Coast Transportation Co., New York |
| History | Wooden four-masted schooner. Later repaired, became the Alice L. Pendleton. |
U-boat attacks on Sailing vessel Hauppauge
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 25 May 1918 | U 151 (Heinrich von Nostitz und Jänckendorff) | Damaged | Stopped 38 miles off Blackfish Bank (MD). Failed attempt to scuttled, towed in bottom up |
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