(identified; 11) (4-67)
Positive identification of the tunnel, and its general and specific location, are established by reporting the route
number and location, the map reference, the grid coordinates and serial number of the tunnel, its location with
reference to the nearest town, its type, and geographic reference name.
The ferry symbol, shown on the route reconnaissance overlay (see Frames 3-86 to 3-91) provides the minimum
essential information about a ferry, such as is obtained during a hasty reconnaissance.
The minimum essential information about a ferry is shown on the route reconnaissance overlay by the ferry