This file contains Informer notes. This file format is not very well- explored, as I do not use Informer on a regular basis.

 +0 500 WORDs   Note Description
                 Bits 0..8      Entity Id (counter, or a ship Id)
                 Bits 9..11     Priority (0..7)
                 Bits 12..15    Type (?)
                                 0      Non-existent
                                 1      Marker in starcharts
                                 8      Ship marker
+1000 n RECORDs of 240 bytes each, for each non-zero word in the above
                array:
                 +0     BYTE    0
                 +1     WORD    X coordinate, 0 for ship marker
                 +3   7 WORDs   ?
                +17     WORD    Y coordinate, 0 for ship marker
                +19   7 WORDs   ?
                +33     WORD    ?
                +35 205 BYTEs   Five fixed-size Pascal strings of 41 bytes
                                each, the marker text