| Event no. | Survey | Photos | Video | Place name | Start Depth m | End Depth | County |
|---|
| 19870413/21 | 555 | 0 | | Dundrum Inner Bay (north), SE Coast. | 3.5 | 0.2 | Down |
| 19870415/21 | 555 | 0 | | Dundrum Inner Bay (south), SE Coast. | 3.5 | 0.2 | Down |
| 19870419/21 | 555 | 0 | | Newtownards, Strangford Lough. | 3.5 | 0.2 | Down |
| 19870420/21 | 555 | 0 | | Castle Espie, Strangford Lough. | 3.5 | 0.2 | Down |
| 19870423/21 | 555 | 29 | | The Gobbins, NE Coast. | 3.5 | 0.2 | Antrim |
| 19870427/21 | 555 | 12 | | McIlroy's Port, NE Coast. | 3.5 | 0.2 | Antrim |
| 19870428/21 | 555 | 27 | | Chapman's Rock, NE Coast. | 3.5 | 0.2 | Antrim |
| 19870503/21 | 555 | 0 | | The Dorn, Strangford Lough. | 3.5 | 0.2 | Down |
| 19870506/21 | 555 | 0 | | Ringhaddy Rapids, Strangford Lough. | 3.5 | 0.2 | Down |
| 19870511/21 | 555 | 0 | | Cushendun Bay, NE Coast. | 3.5 | 0.2 | Antrim |
| 19870512/21 | 555 | 2 | | New Bridge, Lough Foyle. | 3.5 | 0.2 | Londonderry |
| 19870513/21 | 555 | 0 | | Ballykelly Bank, Lough Foyle. | 3.5 | 0.2 | Londonderry |
| 19870513/22 | 555 | 0 | | Sheep Mash, Lough Foyle. | 3.5 | 0.2 | Londonderry |
| 19870514/21 | 555 | 0 | | Carrick na Ford, North Coast. | 3.5 | 0.2 | Antrim |
| 19870515/21 | 555 | 0 | | Balls Point, Lough Foyle. | 3.5 | 0.2 | Londonderry |
| 19870517/21 | 555 | 2 | | Rudebane Point, NE Coast. | 3.5 | 0.2 | Antrim |
| 19870518/21 | 555 | 0 | | Old Church Bay, Larne Lough. | 3.5 | 0.2 | Antrim |
| 19870519/21 | 555 | 0 | | Glynn, Larne Lough. | 3.5 | 0.2 | Antrim |
| 19870519/22 | 555 | 0 | | Dalriada Point Bay, Larne Lough. | 3.5 | 0.2 | Antrim |
| 19870521/21 | 555 | 0 | | Longfield, Lough Foyle. | 3.5 | 0.2 | Londonderry |
| 19870524/21 | 555 | 2 | | Port na Tober, North Coast. | 3.5 | 0.2 | Antrim |
| 19870524/22 | 555 | 1 | | Port na Tober Headland, North Coast. | 3.5 | 0.2 | Antrim |
| 19870526/21 | 555 | 0 | | Kinrea, Rathlin Island. | 3.5 | 0.2 | Antrim |
| 19870526/22 | 555 | 2 | | Oweydoo, Rathlin Island. | 3.5 | 0.2 | Antrim |
| 19870526/23 | 555 | 2 | | Stackamore, Rathlin Island. | 3.5 | 0.2 | Antrim |
| 19870526/24 | 555 | 1 | | Bruce's Cave, Rathlin Island. | 3.5 | 0.2 | Antrim |
| 19870528/21 | 555 | 2 | | Dunimeny Castle, North Coast. | 3.5 | 0.2 | Antrim |
| 19870602/21 | 555 | 6 | | Isle of Muck (east), NE Coast. | 3.5 | 0.2 | Antrim |
