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Technical Provisions for Mode S Services and Extended Squitter

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DRAFT - Working Paper ASP TSGWP11-01 <strong>for</strong> review by the TSG during the meeting in June 2011 in Paris<br />

C-78 <strong>Technical</strong> <strong>Provisions</strong> <strong>for</strong> <strong>Mode</strong> S <strong>Services</strong> <strong>and</strong> <strong>Extended</strong> <strong>Squitter</strong><br />

Figure C-14. TIS-B Identification <strong>and</strong> Category Message<br />

1 Purpose: To provide aircraft identification <strong>and</strong> category <strong>for</strong><br />

2 aircraft that are not equipped with 1090 MHz ADS-B.<br />

3 FORMAT TYPE CODE<br />

4 (§C.2.3.1)<br />

5 TYPE Coding:<br />

6 1 = Aircraft identification, Category Set D<br />

7 AIRCRAFT EMITTER CATEGORY 2 = Aircraft identification, Category Set C<br />

8 3 = Aircraft identification, Category Set B<br />

9<br />

10<br />

MSB 4 = Aircraft identification, Category Set A<br />

11 CHARACTER 1<br />

12<br />

13<br />

ADS-B Aircraft Emitter Category coding:<br />

14 LSB Set A<br />

15 MSB 0 = No ADS-B Emitter Category In<strong>for</strong>mation<br />

16 1 = Light (< 15500 lbs)<br />

17 CHARACTER 2 2 = Small (15500 to 75000 lbs)<br />

18 3 = Large (75000 to 300000 lbs)<br />

19 4 = High Vortex Large (aircraft such as B-757)<br />

20 LSB 5 = Heavy (> 300000 lbs)<br />

21 MSB 6 = High Per<strong>for</strong>mance (> 5g acceleration <strong>and</strong> 400 kts)<br />

22 7 = Rotorcraft<br />

23<br />

24<br />

CHARACTER 3<br />

25 Set B<br />

26 LSB 0 = No ADS-B Emitter Category In<strong>for</strong>mation<br />

27 MSB 1 = Glider / sailplane<br />

28 2 = Lighter-than-air<br />

29 CHARACTER 4 3 = Parachutist / Skydiver<br />

30 4 = Ultralight / hang-glider / paraglider<br />

31 5 = Reserved<br />

32 LSB 6 = Unmanned Aerial Vehicle<br />

33<br />

34<br />

MSB 7 = Space / Trans-atmospheric vehicle<br />

35 CHARACTER 5<br />

36 Set C<br />

37 0 = No ADS-B Emitter Category In<strong>for</strong>mation<br />

38 LSB 1 = Surface Vehicle – Emergency Vehicle<br />

39 MSB 2 = Surface Vehicle – Service Vehicle<br />

40 3 = Point Obstacle (includes tethered balloons)<br />

41 CHARACTER 6 4 = Cluster Obstacle<br />

42 5 = Line Obstacle<br />

43 6 = Reserved<br />

44 LSB 7 = Reserved<br />

45<br />

46<br />

MSB<br />

47 CHARACTER 7 Set D<br />

48<br />

49<br />

(Reserved)<br />

50 LSB Aircraft Identification coding:<br />

51<br />

52<br />

MSB Character coding as specified in §C.2.3.4.<br />

53<br />

54<br />

55<br />

CHARACTER 8<br />

56 LSB<br />

Draft<br />

DRAFT - Working Paper ASP TSGWP11-01 <strong>for</strong> review by the TSG during the meeting in June 2011 in Paris

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