D
Naval ForcesChina

Type 648 Class (Dadao Class)

Submarine repair shipFielded 1985Pending verification
Naval ForcesCHN
Length 84 m
Identification silhouette. Not drawn to scale between entries.
Fact cardConfidence · Source
System
TypeSubmarine repair ship
Date of introduction1985
ProliferationOrigin country only
Crew105Med[1]
Dimensions and weight
Length84 m276 ftMed[1]
Beam78.7 m258 ftMed[1]
Draft5.0mMed[1]
Displacement (full load)1,962 tMed[1]
Propulsion and performance
Propulsion2 x D39Med[1]
Engine power1,850 total bhp; 2 shaftsMed[1]
Range3,704 km2,302 mi · 2,000 nmi2,000 Nautical MilesMed[1]
Speed28 kt52 km/hMed[1]
Endurance20 daysMed[1]
Protection
Active Protection SystemAnti-Aircraft Gun and 14.4mm Machine GunsMed[1]
NBC Water Washdown SystemYesMed[1]
Armament
ArmamentType 61Med[1]
Fire control
Navigation Radar1 Type 756 navigation radarMed[1]
Variants
Dong-Xiu 911Commissioned: 1985 Status: Active[1]
Weapons and payload options · 1Confidence · Source
Type 61Anti-Aircraft Gun
Med[1]
Range
3 km2 mi · 2 nmi
Quantity
4 x Type 61 Twin 25mm Anti-Aircraft Gun
Type
Anti-Aircraft Gun
Caliber
25mm
Rate of fire
Compact: 800~900 round/min
Summary

The Type 648 repair ship is a Chinese submarine repair ship currently in service with the People's Liberation Army Navy (PLAN). It was one of the two units consisting the proposed mobile repair flotilla, but the floating dry dock with lifting capacity of 2000 tons was never built, and Type 648 repair ship was the one only completed.

Draft entry. Values come from the cited public sources and are awaiting editor verification.
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Operators
China
Sources
  1. Type 648 Class (Dadao Class) Chinese Submarine Repair Ship, U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)
    Published/updated 2026-03-20 · Tier 1 · checked 2026-10-10
Change log
  • 2026-10-10 Entry created from the Worldwide Equipment Guide (ODIN), bulk import