The high bearing rate would have been considered a " trip wire,"
2.
With his gunnery binoculars, he estimates the range to the target, and its bearing rate.
3.
The Ehime Maru was moving toward the submarine at a bearing rate of six degrees per minute, which is considered a high rate.
4.
At the time, the Ehime Maru was moving toward the submarine at a bearing rate of six degrees per minute, which is considered a high rate.
5.
At about the same time, the pilot of " RFS-13 " noted a contact on radar which was showing decreasing range and zero bearing rate, indicating a collision course.
6.
"It should have just jumped off the screen, " he said, adding that such a bearing rate would have been considered a " trip wire " and prompted an immediate report to officers.
7.
"It should have just jumped off the screen, " he said, adding that " if we had just had a little more time there, I think we really would have been able to see that bearing rate ."