A1 Submarine and Invincible Wreck Protected Wrecks Day

Event Date:
Start at 7:15 AM
June 4, 2021
Fort Cumberland


A chance to dive with the NAS Diving Club (NASAC) on two of England’s protected wrecks in one day. We visit the Invincible shipwreck (launched 1744, sank 1758) and the A1 submarine (launched 1902, sank 1914), both of which lie at a maximum depth of c.14m.

For more information, contact the office or visit these links: Invincible and A1 submarine

Divers will receive a thorough dive briefing and archaeological site briefing before each dive so that they will know what to look out for and will have an understanding of the underwater site and it’s place in history.


No NAS qualifications are required to visit these wrecks but we require you to have a minimum diving qualification of BSAC Sports Diver/PADI Advanced Open Water or equivalent. Proof of recent UK water dives will also be required.

£40.00 per person for Non-NAS Members and £30.00 per person to NAS Members. (Annual NAS membership starts from just £12!). This does not include equipment hire or cylinder fills. The NAS diving club has a limited supply of cylinders for hire at £5.00 per dive.

Five credits will be awarded to NAS members to go towards their NAS Certificate or Award.


07:15 Meet at Eastney Slipway and pack boat
07:35 Sunrise and boat departs
08:30 Diving A1 submarine
10:15 Return to slipway to change tanks
10:30 At Fort Cumberland for tea break and talk about A1 submarine
12:00 Depart Fort Cumberland for slipway
12:15 Launch boat
13:00 Dive HMS Invincible
14:30 Return to Fort Cumberland for tea break
15:00 Talk about Invincible from licensee Dan Pascoe
16:00 End of day