Italian submarines in World War Two

Coastal / Sea going type class Perla

Class	Perla
Type	Coastal / Sea going
Design	Bernardis
Description

Perla class boat Ambra (USMM)

Perla class submarines

	Submarine	Name short	Commissioned	Lost
	Ambra (AM)	Ambra	4 Aug 1936
	Berillo (BE)	Berillo	5 Aug 1936	2 Oct 1940
	Corallo (CO)	Corallo	26 Sep 1936	13 Dec 1942
	Diaspro (DS)	Diaspro	22 Aug 1936
	Gemma (GE)	Gemma	8 Jul 1936	8 Oct 1940
	Iride (IR)	Iride	6 Nov 1936	22 Aug 1940
	Malachite (MH)	Malachite	6 Nov 1936	9 Feb 1943
	Onice (OC)	Onice	1 Sep 1936
	Perla (I.33 or I.30)	Perla	8 Jul 1936	9 Jul 1942
	Turchese (TC)	Turchese	21 Sep 1936

Technical information for Perla class

Displacement: (tons)	697 (sf) 856 (sm) (total)
Length: (m)	60.180 oa ph
Beam: (m)	6.45 oa ph
Draught: (draft)	4.700 m
Height:	m
Power: (hp)	1400 (sf) 800 (sm)

Speed: (knots)	14.000 (sf) 7.500 (sm)
Range: (miles / knots)	5200/8 (sf) 74/4 (sm)
Torpedoes:	6 4/2 (bow / stern tubes)
Mines:	No mines carried
Deck gun:	1 x 100/47 152 rounds
AA armament	2 x 1 13.2mm
Crew:	4/32 (officers/men)
Max depth:	ca. 80 m (262 feet)

sm = submerged, sf = surfaced, ph = pressure hull,
oa = overall, hp = horsepower.

Italian submarine classes