Federal Aviation Administration, DOT Section 171.313 TABLE 8b - AUXILIARY DATA WORD ADDRESS CODES - Continued No. I13 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. I14 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 I15 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 I16 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 I17 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 I18 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 I19 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 TABLE 8b - AUXILIARY DATA WORD ADDRESS CODES - Continued I20 0 0 1 0 1 1 0 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 0 No. 1 0 1 1 0 1 0 1 0 1 0 0 1 0 1 1 0 1 0 0 1 0 1 0 1 0 1 1 0 1 0 0 I13 41. 42. 43. 44. 45. 46. 47. 48. 49. 50. 51. 52. 53. 54. 55. 56. 57. 58. 59. 60. 61. 62. 63. 64. I14 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 I15 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 I16 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 I17 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 I18 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 I19 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 I20 1 1 0 1 0 0 1 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 0 1 0 1 1 0 1 0 1 0 1 0 0 1 0 1 1 0 1 0 0 1 0 1 0 NOTE 1: Parity bits I19 and I20 are chosen to satisfy the equations: I13 + I14 + I15 + I16 + I17 + I18 + I19 = EVEN I14 + I16 + I18 + I20 = EVEN TABLE 8C - AUXILIARY DATA Data content Type of data Maximun time between transmissions (Seconds) Bits used Range of values Least significant bit Preamble ..................................................... Address ........................................................ Approach azimuth antenna offset ............... Approach azimuth to MLS datum point distance. Approach azimuth antenna alignment with runway centerline. Approach azimuth antenna coordinate system. Spare ........................................................... Parity ............................................................ Preamble ..................................................... Address ........................................................ Approach elevation antenna offset .............. MLS datum point to threshold distance ...... Approach elevation antenna height ............. Digital ........... ........... ........... 1.0 .................... .................... .................... 12 8 10 13 ...................................................... ...................................................... Section511 m to + 511 m (See note 3) 0 m to 8 191 m ............................ ......... ......... 1m 1m ........... ........... .................... 12 Section20.47Section to 20.47Section (See note 3) .. 0.01Section .................... 1 (See note 2) ................................. ......... ........... ........... Digital ........... ........... ........... ........... .................... .................... 1.0 .................... .................... .................... .................... 13 7 12 8 10 10 7 ...................................................... (See note 1) ................................. ...................................................... ...................................................... Section511 m to + 511 m (See note 3) 0 m to 1 023 m ............................ Section6.3 m to + 6.3 m (See note 3) Spare ........................................................... Parity ............................................................ Preamble ..................................................... Address ........................................................ DME offset ................................................... DME to MLS datum point distance ............. ........... ........... Digital ........... ........... ........... .................... .................... (See note 4) .................... .................... .................... 22 7 12 8 10 14 Spare ........................................................... Parity ............................................................ Preamble ..................................................... Address ........................................................ Back azimuth antenna ................................. Back azimuth to MLS datum point distance ........... ........... Digital ........... ........... ........... .................... .................... (See note 5) .................... .................... .................... 25 7 12 8 10 11 ...................................................... (See note 1) ................................. ...................................................... ...................................................... Section511 m to + 511 m .................... Section8 191 m to + 8 191 m (See note 3). ...................................................... (See note 1) ................................. ...................................................... ...................................................... Section511 m to + 511 m (See note 3) 0 m to 2 047 m ............................ ......... ......... ......... ......... 1m 1m 0.1 m ......... ......... ......... ......... 1m 1m Word (See note 6) A1 ...... A2 ...... A3 ...... A4 ...... 865 VerDate Sep<11>2014 08:20 May 17, 2019 Jkt 247048 PO 00000 Frm 00875 Fmt 8010 Sfmt 8010 Y:\SGML\247048.XXX 247048 ......... ......... ......... ......... 1m 1m