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HMS Hermes

Indian Ocean, off Batticaloa, Sri Lanka

Typical depth
53 m
Type
Wreck
Level
Technical
OPEN WATERADVANCEDDEEPSURFACE102030405060SAFETY STOP · 3–6 mTYPICAL53 mBOTTOM · 53 m

Notes

World's first purpose-built aircraft carrier, sunk by Japanese carrier aircraft on 9 Apr 1942 during the Indian Ocean raid. 182 m on her port side at ~53 m; war grave.

Marine life

Rays
eagle ray
Other
the world's first purpose-built aircraft carrier — war grave to over 300 lives
Sharks
occasional whitetip reef shark
Pelagics
barracuda, jacks, tuna
Reef fish
snapper, sweetlips, batfish, fusiliers

Wreck

Vessel
HMS Hermes
Class
Hermes-class aircraft carrier — the first ship designed and built as a carrier
Origin
United Kingdom (Royal Navy)
Sunk
1942 — sunk by Japanese carrier dive bombers during the Indian Ocean raid, 9 Apr 1942
Length
182 m
Penetration
Possible — with training

Site features

  • Wreck
  • Deep Wreck
  • Trimix
  • War Grave
  • Historic
  • Aircraft Carrier
  • Intact Superstructure
  • Exposed Site

When to dive

Best
Mar–Sep
Avoid
Oct–Jan

Sri Lanka's east coast is divable from March through September; the northeast monsoon then shuts Batticaloa down. The wreck sits ~10 nautical miles offshore — a long boat ride from Trincomalee or Batticaloa, weather-dependent.

Conditions & access

Visibility
15–30 m
Water temp
27–30 °C
Current
Moderate
Access
Open access
Min cert
Trimix or CCR. Wreck lies on her port side at 45–53 m; bottom times of 20+ minutes require staged decompression. War grave — touch nothing, take nothing.

Location

7.7167° N, 82.0500° E

Dive clubs that visit this site

3 operators list this site on their website

Sources

Curated from 1 source

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