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Area where it is estimated that the search object is most likely to be located.



Related Terms

PROBABILITY AREA

The area in which a missing craft and/or survivors are most likely to be found taking into account possible errors in the navigation of the missing craft and of the search craft.

SCAN

In the use of radar, to search or investigate an area or space by varying the direction of the radar antenna and thus the beam. Normally scanning is done by continuous rotation of the antenna.

POSSIBILITY AREA

(1) The smallest area containing all possible survivor or search object locations. (2) For a scenario, the possibility area is the smallest area containing all possible survivor or search object locations that are consistent with the facts and assumptions used to form the scenario.

DATUM POINT

A point, such as a reported or estimated position, at the centre of the area where it is estimated that the search object is most likely to be located.

CSS

Co-ordinator surface search: A vessel, other than a rescue unit, designated to co-ordinate surface search and rescue operation within a specified area

DATUM LINE

A line, such as the distressed craft's intended track line or a line of bearing, which defines the centre of the area where it is estimated that the search object is most likely to be located.

RCC

Rescue co-ordination centre: Land-based authority conducting and coordinating search and rescue operations in a designated area

GRASSOT FLUXMETER

A type of fluxmeter in which a light coil of wire is suspended in a magnetic field in such a way that it can rotate; the ends of the suspended coil are connected to a search coil of known area penetrated by the magnetic flux to be measured; the flux is determined from the rotation of the suspended coil when the search coil is moved.

OSC

On-scene commander: The commander of a rescue unit designated to co-ordinate search and rescue operations within a specified area

OSC

On-scene commander: The commander of a rescue unit designated to co-ordinate search and rescue operations within a specified area

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