Attribute: Scale maximum
Prohibited for ENC
Attribute type: I
The maximum scale at which the object may be used e.g. for ECDIS presentation.
Minimum Value: 1
the modulus of the scale is indicated, that is 1:25 000 is encoded as 25000;
If a particular maximum scale is specified as 1:25 000 (encoded as 25000), an example of a larger scale would be 1:20 000 (encoded as 20000);