2. Terminal Learning Objective At the end of this lesson you will: ACTION: Identify the characteristics, operating procedures and functions of the TH-67 communications equipment and transponder. CONDITION: In a classroom environment given information on the TH-67 communications equipment and transponder. STANDARD: Answer questions pertaining to the characteristics, operating procedures and functions of the TH-67 communications equipment and transponder. Receive a “GO” by correctly answering the required number of questions on criterion referenced examination 011-0050.

3. A: Enabling Learning Objective Action: Identify the operating procedures of the AA 95-732 audio select panel Condition: Given information about the audio select panel Standard: IAW the TH-67 operator’s supplement

4. Audio Select Panel

5. UHF VHF

6. Audio Select Panel

8. B: Enabling Learning Objective Action: Identify the proper functions of the KTR 909 UHF radio Condition: Given information about the KTR 909 UHF radio Standard: IAW the TH-67 operator’s supplement

10. UHF Radio

11. C H 0 1 3 7 4. 3 0 M N Characteristics Two-way radio Frequency range-- 225.000 to 399.975 Mhz Provides 3,500 channels Guard receiver incorporated fix-tuned to 243.0 Range--approximately 50 miles line of sight

12. C H 0 1 3 7 4. 3 0 M N ON / OFF / VOLUME / TEST control knob

13. C H 0 1 3 7 4. 3 0 M N No warm up time Internal memory stores previously used frequency Automatic squelch

14. C H 0 1 3 7 4. 3 0 M N Channel Mode Select Select pre-set channels C H 0 2 3 2 2. 8 0 Up to 20 preset frequencies (channels) may be selected

15. 5 C H 0 1 M N 3 1 6.1 ATIS

16. 5 C H 0 2 M N 2 8 8.2 GROUND

17. 5 C H 0 3 M N 2 4 8.5 TOWER

18. 0 C H 0 1 M N Rotate inner frequency select knob for increments of 25 KHz Press Channel Mode Select Button 2 3 7 4.3 Rotate outer frequency select knob for increments of 1 MHz 5 4 7 0 1362 0 9

19. 0 C H 0 1 M N 3 7 4.3 Push and hold inner frequency select knob to activate transmitter test tone. Transmitter Test

20. 0 C H 0 3 M N 2 4 1.0 Main Mode Receive Mode Select Button

21. 0 C H 0 2 M N 2 4 8.2 Main / guard Mode Receive Mode Select Button GD

22. 0 M N 2 4 3.0 Guard Mode Receive Mode Select Button

23. 0 GD M N 2 4 3.0 Photocell

24. 0 C H 0 2 M N 2 4 8.2 Transmit Annunciator GD TX

27. C: Enabling Learning Objective Action: Identify the proper functions of the KX-165 VHF radio Condition: Given information about the KX-165 VHF radio Standard: IAW the TH-67 operator’s supplement

28. VHF Radio

30. Characteristics Two-way Nav/Comm radio Comm frequency range--118.000 to 136.975 Mhz Provides 760 channels Guard frequency--121.500 Mhz Range--approximately 50 miles line of sight Nav radio-not used in primary

32. ON / OFF / VOLUME - control knob

33. No warm up time Internal memory stores previously used frequencies Automatic squelch

34. 1 2 1. 9 0 1 3 5. 2 0 Frequency Select Knob Inner knob – 50 KHz pushed in - 25 KHz pulled out Outer knob – 1 MHz

35. 1 2 1. 9 0 1 3 5. 2 0 Frequency Flip - Flop Button

36. 1 2 1. 9 01 3 5. 2 0 Frequency Flip - Flop Button

38. 1 2 1. 9 01 3 5. 2 0 T Transmit Indicator

41. D: Enabling learning Objective Action: Identify procedures for distributing communications inside and outside the TH-67 Condition: Given information about the TH-67 cyclic or foot-mounted microphone switch Standard: IAW the TH-67 operator’s supplement

42. Turn on and tune to proper Frequency

43. C H 0 1 3 7 4. 3 0 M N Turn on and tune to proper Frequency

44. Set transmit select knob

49. E: Enabling Learning Objective Action: Identify proper functions of the KT-76A transponder Condition: Given information about the transponder Standard: IAW the TH-67 operator’s supplement

51. Characteristics Enables the aircraft to identify itself electronically Works with primary RADAR and is classified as secondary RADAR

52. Two modes of Operation: Mode A Mode C

53. Window Control Knobs Possibility of 4096 different code combinations

54. Mode A codes VFR flight -- 1200 Hijack -- 7500 Lost communications -- 7600 Emergency -- 7700

55. Mode C

56. 299 298

57. Operating procedures

58. Function Selector Knob Standby - 45 to 50 second warm up No codes are transmitting On – (Mode A) Altitude – 100ft increments from -1000 to 35000 ft (MODE C) Test – Rotate and hold for reply light illumination

59. Reply light

60. Ident - briefly press to alter signal for approximately 25 seconds

61. Code windows

62. Communication Phraseology SQUAWK – Activate specific modes/codes/functions on the helicopter transponder: –“SQUAWK one two zero zero” –“SQUAWK altitude” –“Stop SQUAWK” –“SQUAWK Standby”

65. TH-67 Radio Equipment, Communications Procedures, and Radio Phraseology