Recognition Guide Warships of the Second World War
Regia Marina — Submarine

Italian submarine Ametista

Sirena-class submarine

Displacement
680 long tons (691 t)
Length
60.18 m (197.4 ft)
Beam
6.45 m (21.2 ft)
Speed
14 knots (25.9 km/h, 16.1 mph)
Main gun
100 mm (3.9 in)

Service

  1. Regia Marina as Ametista? — 12 September 19431,472 days of the war
Sirena-class submarine Particulars
Name
Ametista
Namesake
Amethyst
Builder
Odero-Terni-Orlando, Muggiano
Laid down
16 September 1931
Launched
24 April 1933
Fate
Scuttled 12 September 1943 (1943)
Status
Wreck

Specifications

Displacement, surfaced
680 long tons (691 t)
Displacement, submerged
837 long tons (850 t)
Length
60.18 m (197.4 ft)
Beam
6.45 m (21.2 ft)
Draught
4.7 m (15.4 ft)
Speed
14 knots (25.9 km/h, 16.1 mph)
Range
5,000 nmi (9,260 km)
Main gun
100 mm (3.9 in)

Ametista was a Sirena-class submarine built for the Regia Marina. She was named for Amethyst. Odero-Terni-Orlando, Muggiano laid her keel on 16 September 1931. She was launched on 24 April 1933.

Her class ran to twelve ships. The class followed the Argonauta-class submarine and was succeeded by the Perla-class submarine.

The boat displaced 680 long tons surfaced and 837 long tons submerged. She measured 60.2 m (197 ft) long with a beam of 6.5 m (21 ft). Her designed speed was 14 knots.

Her main battery was one 100 mm (3.9 in) guns. Her machinery developed 1,350 bhp through two shafts.

She was in commission for 1,472 days of the Second World War.

She was scuttled on 12 September 1943. The wreck survives.

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

Armament and machinery

Armament and machinery
Propulsion
  • 2 shafts; diesel-electric
  • 2 × diesel engines
  • 2 × electric motors
Power
  • 1350 bhp (diesels)
  • 800 hp (electric motors)
Armament
  • 1 × single 100 mm deck gun
  • 2–4 × single 13.2 mm machine guns
  • 6 × 533 mm torpedo tubes (4 bow, 2 stern)

Sister ships

Sources