APB - Autopilot Sentence "B"

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 $--APB,A,A,x.x,a,N,A,A,x.x,a,c--c,x.x,a,x.x,a*hh<CR><LF>

 Field Number: 
  1) Status
     V = LORAN-C Blink or SNR warning
     V = general warning flag or other navigation systems when a reliable
         fix is not available
  2) Status
     V = Loran-C Cycle Lock warning flag
     A = OK or not used
  3) Cross Track Error Magnitude
  4) Direction to steer, L or R
  5) Cross Track Units, N = Nautical Miles
  6) Status
     A = Arrival Circle Entered
  7) Status
     A = Perpendicular passed at waypoint
  8) Bearing origin to destination
  9) M = Magnetic, T = True
  10) Destination Waypoint ID
  11) Bearing, present position to Destination
  12) M = Magnetic, T = True
  13) Heading to steer to destination waypoint
  14) M = Magnetic, T = True
  15) Checksum