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HiPAP - Acoustic underwater positioning and navigation systems

HiPAP models overview

System HiPAP 502 HiPAP 452 HiPAP 352 HiPAP 352P HiPAP 102
Number of active elements 241 46 46 46 31
Max/recommended acoustic operating area
below vessel		 200º / 200º 160º / 120º 160º / 120º 160º / 120º 120º / 120º
Minimum gate valve size required 20 in / 500 mm 20 in / 500 mm 14 in / 350 mm - 20 in / 500 mm
Transducer diameter 400 mm 400 mm 320 mm 345mm 460 mm
Angular accuracy* of X/Y directions
(1 sigma figure)		 20dB S/N:0,06º
10dB S/N:0,10º
0dB S/N:0,30º		 20dB S/N:0,10º
10dB S/N:0,15º
0dB S/N:0,40º		 20dB S/N:0,10º
10dB S/N:0,15º
0dB S/N:0,40º		 20dB S/N:0,18º
10dB S/N:0,23º
0dB S/N:0,40º		 20dB S/N:0,14º
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Accuracy dual mode operation, two-TD system* 20db S/N:0.042º - - - -
Narrow pointing receiver beam 10º 15º 15º 15º 15º
Operating range* 1 - 5000 m 1 - 5000 m 1 - 5000 m 1 - 4000 m 1 - 10000 m
Number of transponder channels, CW / Cymbal 56 / 500+ 56 / 500+ 56 / 500+ 56 / 500+ 30 / 50
Frequency band 21 - 31 kHz 21 - 31 kHz 21 - 31 kHz 21 - 31 kHz 10 - 15 kHz
Range detection accuracy* 0.02 m 0.02 m 0.02 m 0.02 m 0.02 m
Hull unit for automatic transducer deployment
through hull		 Available Available Available - Available

* Position accuracy [°] can be calculated by √(X2 + Y2). Values are based on use of Cymbal mode, free line of sight from transducer to transponder, no influence from ray bending, Signal to Noise ratio as specified in water in the 250 Hz receiver band, no error from heading/roll/pitch sensors. Operating ranges are typical and conservative, and are assumed by using KONGSBERG transponders with sufficient source level.

All HiPAP 352P models includes attitude sensors with different accuracies as follows:

  • HiPAP 352P: Includes MRU-H
  • HiPAP 352P-5: Includes MRU-5
  • HiPAP 352P-MGC: Includes MGC IMU
  • HiPAP 352P-I: Includes HG9900 IMU

NOTE

It is very important to use transponders with strong enough output source level to obtain the highest S/N ratio and thereby also the best SSBL accuracy.

Two different product lines

We presently offer two different lines of acoustic underwater positioning and navigation systems:

  • HiPAP family - High precision acoustic positioning system
  • µPAP - Small and portable acoustic positioning system

Available systems