Recognition Guide Warships of the Second World War
Royal Navy — Submarine

HMS H33

H-class submarine

Displacement
423 long tons (430 t)
Length
52.12 m (171 ft)
Beam
4.57 m (15 ft)
Speed
11.5 knots (21.3 km/h, 13.2 mph)
Complement
22

Service

  1. Royal Navy as HMS H3317 May 1919 — 19 May 19441,722 days of the war
H-class submarine Particulars
Name
HMS H33
Builder
Cammell Laird, Birkenhead
Laid down
20 November 1917
Launched
24 August 1918
Commissioned
17 May 1919
Fate
Scrapped, 19 May 1944 (1944)
Status
Scrapped

Specifications

Displacement, surfaced
423 long tons (430 t)
Displacement, submerged
510 long tons (518 t)
Length
52.12 m (171 ft)
Beam
4.57 m (15 ft)
Speed
11.5 knots (21.3 km/h, 13.2 mph)
Range
2,985 nmi (5,528 km)
Complement
22

HMS H33 was a H-class submarine built for the Royal Navy. Cammell Laird, Birkenhead laid her keel on 20 November 1917. Launched on 24 August 1918, she entered service on 17 May 1919.

Her class ran to 23 ships. The class followed the E and F-class destroyer and was succeeded by the I-class destroyer.

The boat displaced 423 long tons surfaced and 510 long tons submerged. She measured 52.1 m (171 ft) long with a beam of 4.6 m (15 ft). Her designed speed was 11.5 knots, and she carried a complement of 22.

Her main battery was four 533 mm (21 in) guns.

She was in commission for 1,722 days of the Second World War.

She was broken up for scrap on 19 May 1944.

Written from the harvested record. Every figure above is sourced; the wording is this site's own.

Armament and machinery

Armament and machinery
Propulsion
  • 1 × 480 hp diesel engine
  • 2 × 620 hp electric motors
Armament
  • 4 × 21 in bow torpedo tubes
  • 8 × 21-inch torpedoes

Sister ships

Sources

  • Facts harvested from HMS H33 on Wikipedia. Figures only — no wording is taken from it.