Dreadnought

Type	SSN
Country	UK
Displacement (t)	4,000
Length (m)	81.0
Beam (m)	9.5
Draft (m)	7.9
Height (m)	9.5
Max speed submerged (kn)	28.0
Max speed surfaced (kn)	20.0
Max safe depth (m)	213
Endurance (days)	60
Nuclear reactors	1
Titanium hull	No
Class year	1963

Sensors

Sonar (2)

Name	Type	Platform	Passive range (km)	Active range (km)
Type 2001	Hull	sub	2.6	4.3
Type 2007	Flank	sub	2.6	—

Launchers (2)

Name

Tubes

Fire control

Max launch depth (m)

533mm Torpedo Tube (forward)

6

FCS

100

1962 - present: 12 x Mk 20 S , 12 x Mk 8

Signal Ejector

2

—

305

Individual hulls (1)

Name	Short name	Country	Start date	End date	Remark
S101 Dreadnought	HMS Dreadnought	UK	1963-04-17 (Commissioned)	1980-01-01 (Decommissioned)