Kongsberg EM302 Multibeam
Echosounder
FREQUENCY | 30 kHz
DEPTH RaNGE | 10–7,000 meters (33–22,966 feet)
SWaTH WIDTH | Up to 5.5 times water depth, to
approximately 8,000 meters (26,247 feet)
PULSE FORMS | CW and FM chirp
BEaMWIDTH | 1° × 1°
aPPROXIMaTE GRID RESOLUTION | 10% water depth
(e.g., 10 m at 1,000 m depth)
SOUNDINGS PER PING | Up to 864
SWaTHS PROFILES PER PING | 1 or 2
Knudsen Subbottom Profiler
and Echosounder
PROFILER | Knudsen 3260 Chirp subbottom profiler
and echosounder
OPERaTING FREQUENCY | Dual frequency, 3.5 kHz
and 15 kHz
POWER | 4 kW on Channel 1 and up to 2 kW on Channel 2
RaNGE | 50 to 5,000 meters (164 to 16,404 feet)
Ultra-Short Baseline Navigation System
SYSTEM | TrackLink 5000MA system for USBL tracking
of ROVs Hercules and Argus
RaNGE | Up to 5,000 meters (16,404 feet)
POSITIONING aCCURaCY | 1° (better than 2% of
slant range)
OPERaTIONaL BEaMWIDTH | 120°
OPERaTING FREQUENCY | 14.2 to 19.8 kHz
TaRGETS TRaCKED | Up to eight
Side-Scan Towfish Diana
SIDE-SCaN SONaR | EdgeTech 4200 MP CHIRP
side-scan sonar with depressor wing
DEPTH CaPaBILITY | 2,000 m (6,561.7 ft), currently
limited by 1,000 m (3,280.8 ft) cable
TOWFISH SIZE | 125.6 centimeters × 11.4 centimeters
(49.5 inches × 4.5 inches)
FREQUENCY | 300 and 600 kHz dual simultaneous
OPERaTING RaNGE | 230 meters (300 kHz),
120 meters (600 kHz)
HORIZONTaL BEaMWIDTH | 0.54° and 0.34° (high
speed mode), 0.28° and 0.26° (high definition mode)
VERTICaL BEaMWIDTH | 50°
DEPRESSION aNGLE | Tilted down 20°
RESOLUTION aLONG TRaCK (High Speed Mode) |
300 kHz: 1.9 meters @ 200 meters;
600 kHz: 0.6 meters @ 100 meters
RESOLUTION aLONG TRaCK (High Definition Mode) |
300 kHz: 1.0 meter @ 200 meters;
600 kHz: 0.45 meters @ 100 meters
RESOLUTION aCROSS TRaCK | 3 centimeters
(300 kHz), 1.5 centimeters (600 kHz)
SENSORS | Heading, pitch, roll, pressure
Acoustic Systems