KM Raja Manta

The KM Raja Manta is a solid 36m long steel range diving support vessel. She is very stable and runs on twin 500hp Cummins engines. All Captains, boat crew and dive crew have many years of experience in the waters surrounding the Indonesia. 

She carries 2x 450 liter L&W compressors; one equipped with an air cooler and a Nitrox membrane system. She also carries 24 tonnes of fresh water and two water makers. 

With 3 large dinghies, rest assured for your safety when diving in strong currents. Since her launch in April 2011, she continues to impress new and existing guests alike with her spaciousness and comfort. 

The KM Raja Manta sleeps 22 guests in 11 cabins: 8 x En-suite (double/ twin/ triple share) and 3 x Standard (twin share with wash basin, shared bathrooms).

KM Raja Manta Specifications

  • Length 36m
  • Bean 7.5m
  • Steel hull
  • Launch March 2011
  • Main engine - Cummins 2 x 500hp total 1000 Hp
  • Genset Perkins 2 x 75 Kva
  • 1 x 100 Kva spare genset
  • Water maker - 2 unit 5000 lit per day
  • Fresh water tank - 20,000 lit
  • Diesel tank - 15,000 lit
  • Range - 1500 nm
  • Cruising - 9-10 knot



  • 2 unit 450 lit L & W compressor , air cooler, 1 x L& W membrane nitrox compressor.
  • 1 x 320 Lit bauer spare commpressor.
  • We provide clean air and nitrox refill. With very big P6 filter and air cool system, you will ensure the best pure air you ever get.



  • All ensuite cabins are on main deck and upper deck have amber storage space for luggage with camera table. A spacious toilet with hot water shower. Aircon with individual control , cabin also have large window that can be open
  • 2 ensuite twin share single bed (upper deck  C1/C2) Can be converted to King size bed.
  • 2 ensuite king bed (2 main deck C3 /C4) bed size 2.00m x 1.80m
  • 4 x ensuite twin bed (main deck) bed 2.00m x 1m.
  • 3 x standard cabin with wash basin bed 1.00m x 2.00m ( below deck) with port holes that can open.
  • Below deck have escape hatch. 
  • There are total 5 common toilet/shower (2 on main deck, 2 below deck, 1 on upper deck)
  • 500 sq feet with dinning table and sofa set. 42 inch plasma TV with 500 movies instore.
  • Out door dinning- 600 sq feet
  • Table with power point and drawer for your log books.
  • Sundeck - (1000 sq feet) with deck chair and floor mattress for massage.
  • Dive Deck / dive platform
  • 650 sq feet with camera table and amber fresh water wash tank.



  • 14 Deckhands
  • Dive Crew - 5 (1 cruise leader and 4 instructor)


Safety Equipment

  • 3 x 5.8m rubber dingy with 70 (HP) OBM
  • Standard fire fighting equipment
  • 60 life jacket
  • 2 x anchor system (DC / AC)
  • Furuno GPS, sounder. Plotter, Radar, SSB radio, AIS, SAR, EPIRP, Sate Phone, Purple Finder, VHS Radio
  • 3 x 20 men life raft
  • Satellite Phone

Fire Safety

In the unlikely event of a fire, please be reassured we have the following security and safety features in place;

  • All cabins are with speakers, fire and smoke alarms.
  • Fire extinguishers can be found throughout, and clearly labelled Exit signs in case of fire/ vessel evacuation.
  • Emergency Action Plan provided with Safety Briefing
  • Lower deck has fire escape hatch, located at rear (via engine room leading dive & main deck). All guests staying in Lower deck cabins shown this emergency exit.
  • Main deck indoor lounge windows can open for easy exit to side (port/ starboard) walkway.
  • Night security from 10pm-5am inside engine room and outside on Main deck.