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SONAR
HIT
During
the 2000 expedition, the craft's equipment, using PC/View
Forward Scanning Sonar with a transmit frequency of 200
kHz, detected a very large object just below the surface
with the following readings:
- Wednesday
August 30,2000 11:47am
- Heading
225 SW
- 49°
49.26N,119°31.11W
- Range
to target 48 meters
- Target
Depth 7.5 meters
- Water
Depth 65 meters
- Sweep
Time 35 seconds
- Approximate
Size of Target 15 m length
When
the crew monitoring the sonar noticed the large object they
immediately hit the "capture" key on their computer
and were able to capture the object's position on their
next sweep. The object was no longer on the screen at the
next sonar sweep, leading the crew to believe that it dove
to a depth beyond the sonar beam. |
