Russian deep submergence rescue vehicle AS-28

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AS-28 surfacing in the Bering Sea
History
Russia
Name	AS-28
Builder	Krasnoye Sormovo
Yard number	1
Laid down	January 1982
Launched	10 December 1985
Completed	12 August 1986
Commissioned	12 August 1986
Status	in active service
General characteristics
Class and type	Priz-class deep-submergence rescue vehicle
Displacement	55 t (54 long tons)
Length	13.5 m (44 ft 3 in)
Beam	3.8 m (12 ft 6 in)
Height	4.6 m (15 ft 1 in)
Speed	3.3 knots (6.1 km/h) maximum 2.3 knots (4.3 km/h) cruise 0.5 metres per second (1.6 ft/s) ascent speed
Range	21 nmi (39 km)
Endurance	120 hours with 4 aboard 10 hours with 24 aboard
Test depth	1,000 m (3,300 ft)
Capacity	20 passengers
Crew	5

AS-28 is a Priz-class deep-submergence rescue vehicle of the Russian Navy, which entered service in 1986.^[1] It was designed for submarine rescue operations by the Lazurit Design Bureau in Nizhny Novgorod. It is 13.5 m (44 ft) long, 5.7 m (19 ft) high, and can operate up to a depth of 1,000 m (3,300 ft).