A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
Title
Size Document Number Rev
Create: Sheet of
Category
Mod:Monday, July 02, 2001
82002-10
K
RADALT ANALOG
SANDEL
Vista, Ca.
B
7
ST3400 INSTALLATION DRAWING
Thursday, August 18, 2016
Title
Size Document Number Rev
Create: Sheet of
Category
Mod:Monday, July 02, 2001
82002-10
K
RADALT ANALOG
SANDEL
Vista, Ca.
B
7
ST3400 INSTALLATION DRAWING
Thursday, August 18, 2016
Title
Size Document Number Rev
Create: Sheet of
Category
Mod:Monday, July 02, 2001
82002-10
K
RADALT ANALOG
SANDEL
Vista, Ca.
B
7
ST3400 INSTALLATION DRAWING
Thursday, August 18, 2016
COMMENTS
A
REV
04/11/02
DATE
A/R 484 INITIAL RELEASE
B09/25/02 A/R 564 added RA1 & RA2 FAIL
02/21/03 C A/R 610 Depict J1 & J2 Seperately
ARINC 429 moved to page 8
Added Collins Ind 339H-4/4A, Sperry RT220 and RT300.
NOTES:
1. SIGNALS MAY BE OBTAINED FROM
R/T OR INDICATOR, AS REQUIRED.
2. CONNECT ANALOG SIGNALS AS REQUIRED.
SHIELD GROUND
c
c
Y
57
20
#1 RAD ALT ANALOG -
K
d
Y
W
SPERRY
RT300
(Precision) P1
KRA405
BENDIX/KING KRA405
P4051
b
59 N
L
SPERRY
RT220 / RT221
(Precision) P1
W
H
COLLINS DRI-55
INDICATOR
_
#1 RAD ALT ANALOG +
22
23
J2
49
13
#1 RAD ALT FAIL Pwr or Ref
49
ALT50 or
ALT55
based on
R/T
ALT-55ALT-50
ST3400
N
SOFTWARE
SELECT
8
COLLINS ALT-55B
P-1
57
59
18
#1 RAD ALT ANALOG VAILID
ANALOG
RADAR
ALTIMETER
ANALOG -
ANALOG VALID
ANALOG +
COLLINS ALT-50 /50A
P1
2
32
1
J1
COLLINS 339H-4/4A
INDICATOR
_
B
A
8
02/18/04 H
A/R 675 Corrected Errors in KRA 405 Interconnect
Added Decision Height Discrete Input
Removed #2 Rad Altimeter Input.
Added new info on Sperry RT's and interconnects
COMPUTER CONTROLLED DRAWING
DO NOT REVISE MANUALLY
SEE RADAR ALTIMETERS MFG
INSTALL MANUAL FOR DECISION HEIGHT
OUTPUT AND INTERCONNECT.
ST3400
HIGH or LOW
DECISION HEIGHT IN
18
J2
ACTIVE L/ACTIVE H
OR NONE
SOFTWARE
SELECT
DH OUT
NOTE:
Available in Software 3.00 and above
DH (Minimums Callout)
Radar Altimeter Analog
RT220 /
300
SPERRY
RT221
(Arinc 552) P1
N
X
Y
c
Dash numbers 9X2,
9X6, 9X7, 9X8 ONLY
(0-2500')
Arinc
552
SPERRY
RT300
(Arinc 552) P1
N
X
Y
c
01/23/14
J
AR1356 reversed pins b & K on KRA405.
Reversed pins N & W on Sperry
RT220/RT221 (Precision) & Sperry RT300
(Precision)
HONEYWELL APN-194
RT-1042A P-101
08/18/16
K
AR2379 Added drawing for Sperry APN-194
Corrected revision letter for 1/23/14 revision to J
Corrected typo for Analog Valid text
Reformatted notes
SHIELD GROUND
#1 RAD ALT ANALOG -
#1 RAD ALT ANALOG +
J2
13
#1 RAD ALT FAIL
ST3400
18
#1 RAD ALT ANALOG VAILID
2
32
1
J1
SOFTWARE
SELECT
ANALOG +
ANALOG -
ANALOG VALID
Pwr or Ref
F
G
H
T
APN194
20% 1/4 watt
series resistor
3. USE CAUTION IN SPECIFYING, CONFIGURING, AND TESTING ANALOG
RADAR ALTIMETERS. ARINC 552 MAY PRODUCE THE SAME READINGS
AS OTHER CONFIGURATIONS BELOW 480' AND DIFFERENT READINGS
ABOVE 480'. THEREFOR, IF CONFIGURATION IS MIS-SET A SIMPLE
GROUND TEST IS NOT A COMPLETE TEST OF ALL ALTITUDES. IF ANY
QUESTION EXISTS ABOUT THE SUITABILITY OF AN INSTALLATION,
PERFORM A FLIGHT TEST IN VFR CONDITIONS AND VIEW THE RA
ALTITUDE READOUT ON THE ST3400 RA MAINTENANCE PAGE TO
VERIFY THE ST3400 DATA MATCHES THE PILOT'S RADAR ALTITUDE
INDICATOR THROUGH THE ENTIRE USABLE RANGE OF 0-2000' OR
0-2500'.
200k Ohms +/-200k Ohms +/-
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