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.
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
Audio Select Panel
Audio Select Panel
UHFVHF
Audio Select Panel
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
UHF Radio
C H 0 13 7 4 . 3 0
M N
CharacteristicsTwo-way radioFrequency range--225.000 to 399.975 MhzProvides 3,500 channelsGuard receiver incorporatedfix-tuned to 243.0
Range--approximately 50 miles line of sight
C H 0 13 7 4 . 3 0
M N
ON / OFF / VOLUME / TEST
control knob
C H 0 13 7 4 . 3 0
M N1 - No warm up time
2 - Internal memory stores previously used frequency
3 - Automatic squelch
C H 0 13 7 4 . 3 0
M N
Channel Mode SelectSelect pre-set channels
C H 0 23 2 2 . 8 0
Up to 20 preset frequencies
(channels) may be selected
5C H 0 1
M N
316.1
ATIS
5C H 0 2
M N
288.2
GROUND
5C H 0 3
M N
248.5
TOWER
0C H 0 1
M N
Rotate inner frequency select
knob for increments of 25
KHz
Press Channel Mode Select Button
2374.3
Rotate outer frequency select
knob for increments of 1
MHz
5470136209
0C H 0 1
M N
374.3
Push and hold inner frequency select knob to
activate transmitter test tone.
Transmitter Test
0C H 0 3
M N
241.0Main Mode
Receive Mode Select Button
0C H 0 2
M N
248.2Main / guard Mode
Receive Mode Select Button
GD
0GD M N
243.0Guard Mode
Receive Mode Select Button
0GD M N
243.0Photocell
0C H 0 2
M N
248.2
Transmit Annunciator
GD
TX
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
VHF Radio
Characteristics
Two-way Nav/Comm radioComm frequency range--118.000 to 136.975 MhzProvides 760 channelsGuard frequency--121.500 MhzRange--approximately 50 miles line of sightNav radio-not used in primary
ON / OFF / VOLUME - control knob
1 – No warm up time
2 - Internal memory stores previously used frequencies
3 - Automatic squelch
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
1 2 1 . 9 0
1 3 5 . 2 0
Frequency Flip - Flop Button
1 2 1 . 9 0
1 3 5 . 2 0
Frequency Flip - Flop Button
1 2 1 . 9 0
1 3 5 . 2 0
T
Transmit Indicator
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
Turn on and tune to proper Frequency
C H 0 13 7 4 . 3 0
M N
Turn on and tune to proper Frequency
Set transmit select knob
E: Enabling Learning ObjectiveAction: Identify proper functions of theKT-76A transponder
Condition: Given information about the transponder
Standard: IAW the TH-67 operator’s supplement
Characteristics
Enables the aircraft to identify itself electronically
Works with primary RADAR and is classified as secondary RADAR
Two modes of Operation:
Mode A
Mode C
Window Control Knobs
Possibility of 4096 different code combinations
Mode A codes
VFR flight -- 1200
Hijack -- 7500
Lost communications -- 7600
Emergency -- 7700
Mode C
299
298
Operating procedures
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
Reply light
Ident - briefly press to alter signal for approximately 25 seconds
Code windows
Communication Phraseology
SQUAWK – Indicates required equipment change
• “SQUAWK one two zero zero”• “SQUAWK altitude”• “Stop SQUAWK”
TH-67 Radio Equipment, Communications
Procedures, and Radio Phraseology
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