1. United Kingdom
  2. Ship
  3. ALN 138 Passenger Transfer Boat (PTB)

Basic Information

Category Auxiliary Type Small Watercraft
Year Commissioned 2016 Year Decommissioned 0
Nationality United Kingdom Hypothetical No
Beam 3.6 m Draft 0.6 m
Height 7 m Length 12.1 m
Crew 2 people Damage Points (DP) 2
Standard Displacement 5 tons Full Displacement 8 tons
Empty Displacement 0 tons

Sensor Parameters

Model Purpose Range Scan Interval Generation
Generic Surface Search Radar Radar, Surface Search & Navigation 0.20 - 25.00 nm 4 sec Late 1960s

Ship Capabilities Code

Waterjet Propulsion All Aluminum Construction (-30% DP Penalty) Built to Mercantile Standards (-30% DP Penalty)

Signatures

Type Front Side Rear
Passive Sonar, VLF (0-1000 Hz, 200 Hz Center Frequency) 115 dB 116 dB 117 dB
Passive Sonar, LF (1-5 KHz, 3 KHz Center Frequency) 85.5 dB 86 dB 87 dB
Passive Sonar, MF (5-10 KHz, 7.5 KHz Center Frequency) 77.5 dB 78 dB 79 dB
Passive Sonar, HF (10-500 KHz, 20 KHz Center Frequency) 69 dB 70 dB 71 dB
Active Sonar, VLF-HF (0-500 KHz) 8 dB 40 dB 8 dB
Visual Detection Range 3.94 nm 6.69 nm 3.94 nm
Visual Classification Range 1.58 nm 2.82 nm 1.58 nm
Infrared Detection Range 4.14 nm 7.04 nm 4.14 nm
Infrared Classification Range 1.76 nm 3.13 nm 1.76 nm
Radar, A-D Band (30-2000 MHz) 2 dBsm (1.58 m²) 4.5 dBsm (2.82 m²) 2 dBsm (1.58 m²)
Radar, E-M Band (2-100 GHz) 2 dBsm (1.58 m²) 4.5 dBsm (2.82 m²) 2 dBsm (1.58 m²)

Default Configuration

Model Capacity Fire Interval Comments
No Data

Magazine Systems

Magazine Name Capacity Comments
No Data

Datalink

Type Model Range Channels
Radio UHF/VHF Radio [Unsecure] 100 nm 0

Engines

Model Type Combined Type Engine Count Shafts Primary Engines Secondary Engines Hypothetical Comments
2x Cummins QSC8.3 Diesels, 2x Ultrajet UJ377 Waterjets Diesel N/A 2 2 2 - No -

Aircraft Facilities

No Data