| Brand |
Atlas Maridan ApS |
| Product |
SeaOtter MK II |
| Vehicle type |
General purpose survey AUV |
| Total number of AUVs built |
N/A |
| Commercial options |
N/A |
| Weight of AUV in air (kg) |
1300 |
| Maximum payload (kg) |
160 |
| Freight weight |
N/A |
| Dimensions (l x w x h) (m) |
3.5 x 1 x 0.5 |
| Maximum depth rating (m) |
600, 1,500 |
| Number of thrusters: directional/lateral control |
5 |
| Hover capabilities (Y/N) |
Y |
| Minimum turning radius (m) |
10 |
| Type of launch & recovery system (LARS) used, how the AUV is recovered |
Knuckle boom crane, stinger over aft or A-frame, recovery with release of buoy |
| Average speed; maximum speed (knots) |
Range: 0-8; typical survey: 4; max. 8 |
| AUV crew size |
4 (1 mission responsible, 1 operator, 2 technicians) |
| Number of surface computers required for operation |
1 |
| Storage space requirements (size) |
N/A |
| Other requirements |
N/A |
| Standard navigation sensors |
INS, GPS, DVL, CTD, forward-looking obstacle avoidance sonar + camera |
| Optional navigation sensors |
USBL, LBL, SLBL, secondary INS, secondary DVL |
| If an INS is installed, navigation sensors used to update position during a dive |
N/A |
| Standard payload sensors |
All payloads are user-selectable (standard complement: side-scan sonar, SBP, MBES, camera, magnetometer |
| Optional payload sensors |
ADCP, sampling, environmental, tracking |
| Total energy content of battery (kWh) |
36 |
| Nominal battery power (W) |
On request |
| Endurance at nominal power (hours) |
24 |
| Battery modules can be swapped (Y/N) |
Y |
| Recharge time from empty (hours) |
On request |
| Acoustic telemetry is fitted (Y/N); baud rate (bits per second) |
Y |
| Radio telemetry is fitted (Y/N); baud rate (bits per second) |
Y |
| Ethernet connection for update; maximum speed |
Y; 802.11g |
| Type of data sent to the surface |
On request |
| Control parameters sent to the AUV |
On request |
| Emergency recovery procedure in the event of a total system failure |
On request |
| Current AUV applications |
General purpose survey, dredging, mining, hydrography, oceanography |
| Further information |
The SeaOtter Mk II is built on the legacy of the SeaOtter Mk I vehicle (Maridan 600). The SeaOtter is characterised by the flexibility of the design, which allows virtually any payload component to be connected to the system |
