Because of speed and flexibility, aerial surveys can be employed to
advantage over large areas, unoccupied areas of operational concern, and
areas of difficult accessibility to ground troops.
Aerial survey is
preferable when conducting surveys of large areas. The advantages of aerial
survey over ground survey are speed and flexibility of employment, lower
radiation doses to survey party, and minimum requirements for equipment,
personnel, and communications. However, the dose rate readings are not as
accurate as those obtained by ground survey. Another disadvantage is that
dose rates for specific points on the ground are not provided by aerial
survey.
1.
Simplified Aerial Survey.
Battlefield conditions or the operational situation may preclude the
preparation of the detailed radiological contamination overlay, and a
simplified radiological contamination overlay may be needed to satisfy the
commander's requirements.
A simplified aerial survey will normally be
required to complete the overlay.
a. Purpose.
The simplified aerial radiological survey is designed to provide the minimum
essential information for evaluating the contamination hazard. The minimum
essential information is that required to determine the outer limits of the
area of militarily significant contamination, a few dose rates in the most
heavily contaminated parts of the area, and dose rates at points of
operational interest.
The simplified survey must be accomplished and the
information provided to the control party as soon as possible after
contamination is on the ground.
b. Techniques.
The techniques of conducting simplified aerial surveys are the same as for
detailed aerial surveys with the following exceptions:
(1) The simplified survey requires considerably less detail than the
detailed survey.
(2) The simplified survey may cover only those parts
of
the
contaminated areas which are of immediate operational concern.
(3) The control party preplans only the general area in which the
simplified survey will be conducted.
After arriving over the area, the
survey party selects the check points, routes, and course legs.
(4) A debriefing is held by the control party after this survey is
performed.
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CM5206
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