Mode S enhanced squiter:
1) Mode A Code
2) Pressure altitude
3) On-the-ground status
4) Aircraft Identification
5) Special Position Indication (IDENT)
6) Emergency status
7) Data link capability report
8) GICB capability report;
9) ICAO 24-bit aircraft address; and
10) ACAS active resolution advisory report.
+
(a) MCP/FCU Selected Altitude;
(b) Roll Angle;
(c) True Track Angle;
(d) Ground Speed;
(e) Magnetic Heading;
(f) Indicated Airspeed or Mach No ;
(g) Vertical rate:
(h) Barometric Pressure Setting
(i) Track Angle Rate or True Airspeed
Exactly how much of that is received depends on aircraft and ground equipment.