3
G/S CAPTURE
ANTENNA B558

3

RIGHT AFT NOSE GEAR DOOR
FWD
NOTE: LEFT AFT NOSE GEAR DOOR GLIDE SLOPE ANTENNA

 INSTALLATION SAME AS SHOWN FOR RIGHT AFT 
EXCEPT TRACK ANTENNA DESIGNATION IS B559
1  AF 115-151,157,161,183,184 
2  AF 121,122, AND AF 157,161,183,184 WITH SB 34-2264 
3  AF 157,161,183,184 WITHOUT SB 34-2264 
4  HYBRID B555 NOT INSTALLED ON AF 121,122, AND 
AF 157,161,183,184 WITH SB 34-2264 

Glide Slope Antenna System Equipment Location
Figure 104 (Sheet 1)

EFFECTIVITY

LH 001-010; AF 101-151,157,161,
183,184; SN 301-350; IB 405 799 Page 123

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Sep 25/94
5 GLIDE SLOPE ANTENNA HYBRID B554  VOR/ILS RECEIVER NO. 3  VOR/ILS RECEIVER NO. 1 
COAXIAL RELAYS 
B404 AND B405 
GLIDE SLOPE 
CAPTURE 
ANTENNA B66 
TRACK ANTENNA 
COAXIAL CABLE 
VOR/ILS 
RECEIVER 
COAXIAL  NO. 2 
CABLE 
GUARD 
G/S TRACK 
ANTENNA 
B561 

ANTENNA COAXIAL CONNECTOR DB561 
NOTE:____  LEFT AFT NOSE GEAR DOOR GLIDE SLOPE ANTENNA INSTALLATION SAME AS SHOWN FOR RIGHT AFT EXCEPT TRACK ANTENNA DESIGNATION IS B559, AND HAS TWO CABLE CONNECTORS.  RIGHT AFT NOSE GEAR DOOR 
5  HYBRID B554 NOT INSTALLED ON LH 051-054 AND AT ALL 
Figure 104 (Sheet 2) Glide Slope Antenna System Equipment Location 

EFFECTIVITY

LH 051-054; AF 152-156,158-160, 162-182,185-199; AT ALL; GN ALL; 799 Page 124MD ALL; VM ALL Sep 25/94
34-31-12

VOR/ILS  VOR/ILS 
RECEIVER  RECEIVER 
COAXIAL RELAYS  NO. 3  NO. 1 
B119,B404,B405 
GLIDE SLOPE 
CAPTURE 
ANTENNAS 
B66 AND B120 
TRACK ANTENNA 
COAXIAL CABLE 
VOR/ILS 
RECEIVER 
COAXIAL  NO. 2 
CABLE 
GUARD 
G/S TRACK 
ANTENNA 
B561 

DB561 CONNECTOR COAXIAL ANTENNA 
NOTE:____  LEFT AFT NOSE GEAR DOOR GLIDE SLOPE ANTENNA INSTALLATION SAME AS SHOWN FOR RIGHT AFT EXCEPT TRACK ANTENNA DESIGNATION IS B559, AND HAS TWO CABLE CONNECTORS.  DOOR NOSE GEAR RIGHT AFT 
Glide Slope Antenna System Equipment Location Figure 104 (Sheet 3) 

EFFECTIVITY

LH 011-050,055-099; AZ 221-299;
SN 351-399; IB 406-499 799 Page 125

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Sep 25/94

(S1181) (S1182) (S1384)
(S1181)(S1182)

(L2151) (L2152) (L2596)
G/S-1  G/S-2 G/S-3 
ANT  ANT  ANT 

GLIDE SLOPE ANTENNA TEST SWITCHES AND ANNUNCIATORS
(SEE EQUIPMENT CHART)

AIRPLANE  HYBRID  COAXIAL  ANT TEST  ANT TEST 
EFFECTIVITY  ANTENNAS  COUPLERS  RELAYS  ANNUN  SWITCHES 
LH 001-010; AF 101-114;  B558 1  B554 
SN 301-350; IB 405  B559  B555 
B561  B560 
AF 115-120,123-151  B558 1  B554  B404 
B559  B555  B405 
B561  B560 
AF 121,122,152-156,158-160,  B66 2  B554  B404  L2151  S1181 
162-182,185-199, AND AF 157,  B559  B405  L2152  S1182 
161,183,184 WITH SB 34-2264;  B561 
GN ALL; MD ALL AND VM ALL 
LH 011-050,055-099;  B66 2  B119  L2151  S1181 
AZ 221-299; SN 351-399;  B120  B404  L2152  S1182 
IB 406-499  B559  B405  L2596  S1384 
B561 
LH 051-054; AT ALL  B66 2  B404  L2151  S1181 
B559  B405  L2152  S1182 
B561 

TWO GLIDE SLOPE CAPTURE ANTENNAS (B558) AND TRACK ANTENNAS (B559 OR B561) ARE INSTALLED IN EACH AFT NOSE GEAR DOOR AS SHOWN ON SHEET 1
GLIDE SLOPE CAPTURE ANTENNAS (B66 AND B120) ARE INSTALLED IN NOSE RADOME AND TRACK ANTENNAS
(B559 OR B561) ARE INSTALLED IN AFT NOSE GEAR DOOR AS SHOWN ON SHEETS 2 AND 3 GLIDE SLOPE ANTENNA SYSTEM EQUIPMENT CHART Glide Slope Antenna System Equipment Location Figure 104 (Sheet 4)

EFFECTIVITY ALL

799 Page 126
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Sep 25/94
 ILS BUFFER AMPLIFIER - REMOVAL/INSTALLATION
___________________________________________
 1.  General
_______
 A.  On AT ALL, the four ILS buffer amplifiers used with the VOR/ILS navigation system are located in flight instrument relay panel P73.
 B.  On LH 011-099; AZ 221-299; SN 351-399 and IB 406-499, the two ILS buffer amplifiers used with the VOR/ILS navigation system are located in flight instrument relay panel P73.
　
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