Standard Sar Aircraft Position Report (In Vdm) - Transas NAVI-SAILOR 4100 ECDIS Installation Manual

Universal AIS Transponder Interface
9 – Standard SAR Aircraft Position Report (In VDM)
The NS 4000 for the reception uses this sentence only.
Standard: ITU-R M.1371, 2000.
Parameter
Message ID
Repeat Indicator
User ID
Altitude (GNSS)
SOG
Position accuracy
Longitude
Latitude
COG
Time stamp
Reserved for
regional
applications
DTE
Spare
RAIM-Flag
Communication
State
Total number of
bits
200 NAVI-SAILOR 4000/4100 ECDIS (v. 2.00.009). Installation Guide
Number Description
of bits
6 Identifier for message 9; always 9
2
30 MMSI number
12 Altitude (derived from GNSS) expressed in metres
(0–4094 metres).
4095 = not available;
4094 = 4094 metres or higher
10 Speed over ground in knot steps (0–1022 knots)
1023 = not available;
1022 = 1022 knots or higher
1 1 = high (< 10 m; Differential Mode of
e.g. DGNSS receiver).
0 = low (> 10 m; Autonomous Mode of
e. g. GNSS receiver or of other Electronic Position
Fixing Device); default = 0
28 Longitude in 1/10 000 min
( 180 degrees, East = positive
(as per 2´s complement), West = negative
(as per 2´s complement).
181 degrees (6791AC0 hex) = not available =
default)
27 Latitude in 1/10 000 min
( 90 degrees, North = positive
(as per 2´s complement), South = negative
(as per 2´s complement).
91 degrees (3412140 hex) = not available =
default)
12 Course over ground in 1/10 degrees (0–3599).
3600 (E10 hex)= not available = default;
3601–4095 should not be used
6
8
1 Data terminal ready (0 = available 1 = not available =
default)
5
1
19
168
Comments
Not processed
by the NS 4000
Not processed
by the NS 4000
Not processed
by the NS 4000
Not processed
by the NS 4000
Not processed
by the NS 4000
Not processed
by the NS 4000