| Brand |
International Submarine Engineering Ltd |
| Product |
Dorado |
| Vehicle type |
Semi-submersible AUV |
| Total number of AUVs built |
13 |
| Commercial options |
N/A |
| Weight of AUV in air (kg) |
6,600 with towfish |
| Maximum payload (kg) |
800 (including towfish) |
| Freight weight |
NA |
| Dimensions (l x w x h) (m) |
Length: 8.23; width: 2.28; diameter: 1.17 |
| Maximum depth rating (m) |
N/A |
| Number of thrusters: directional/lateral control |
Contra-rotating propeller with single rudder |
| Hover capabilities (Y/N) |
Hovers on surface |
| Minimum turning radius (m) |
150 with a shallow tow |
| Type of launch & recovery system (LARS) used, how the AUV is recovered |
Ship or shore crane |
| Average speed; maximum speed (knots) |
Cruising: 10-13 with tow; max. 14 |
| AUV crew size |
4 |
| Number of surface computers required for operation |
1: surface control computer supplied with vehicle |
| Storage space requirements (size) |
12m (40ft) ISO container, 2.9m (9ft 6in) tall |
| Other requirements |
N/A |
| Standard navigation sensors |
IXSEA OCTANS gyro, DGPS, fluxgate compass |
| Optional navigation sensors |
IXSEA PHINS, towfish positioning system |
| If an INS is installed, navigation sensors used to update position during a dive |
SBL, dead reckoning, tow-cable model |
| Standard payload sensors |
ISE Aurora towfish (side-scan sonar, CTD, etc.), multi-beam side-scan sonar |
| Optional payload sensors |
Options available on request |
| Total energy content of battery (kWh) |
N/A, marine diesel engine (650 litres of fuel) |
| Nominal battery power (W) |
N/A |
| Endurance at nominal power (hours) |
12 hours with tow at 200ft, 28 hours without tow |
| Battery modules can be swapped (Y/N) |
N/A |
| Recharge time from empty (hours) |
Refuel: 1 to 2 hours |
| Acoustic telemetry is fitted (Y/N); baud rate (bits per second) |
N/A |
| Radio telemetry is fitted (Y/N); baud rate (bits per second) |
Up to 9 kbs command and 10 Mbs data |
| Ethernet connection for update; maximum speed |
Wireless ethernet |
| Type of data sent to the surface |
Towfish data, masthead camera, which camera |
| Control parameters sent to the AUV |
Mission changes |
| Emergency recovery procedure in the event of a total system failure |
Stop mode - vehicle comes to a stop on the surface |
| Current AUV applications |
MCM; battle space preparation; oceanographic survey and mapping; towing sonars, etc. |
| Further information |
Dorado is an autonomous semi-submersible vehicle designed for MCM and sea floor mapping tasks. The Aurora towfish can be equipped with a variety of side-scan sonars, MBES and SBP |
