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KRA 405B RADAR ALTIMETER INSTALLATION MANUAL
Page 1-9
006-10536-0010 Rev. 10 Oct/2005
F. KA 54 ANTENNA (RETROFIT ONLY)
1.4 UNITS AND ACCESSORIES SUPPLIED (KRA 405B SYSTEM COMPONENTS)
NOTE: Some part numbers may not be currently available. Consult the
current Honeywell catalog or contact a Honeywell representative
for equipment availability.
A. RADAR ALTIMETER (Receiver/Transmitter)
Honeywell KRA 405B, P/N 066-01153-0101 (Standard)
Honeywell KRA 405B, P/N 066-01153-0202 (ARINC 552A compatible)
Honeywell KRA 405B, P/N 066-01153-2001/-4001 (Enhanced accuracy
below 100 feet).
TSO COMPLIANCE: C87/ETSO-2C87 DO-138
Env. Cat. AAAAAX
PHYSICAL CHARACTERISTICS: See FIGURE 2-8 KA 54 ANTENNA OUTLINE AND MOUNT-
ING DRAWING
Length:
Width:
Height:
WEIGHT: (2 required) See FIGURE 2-8 KA 54 ANTENNA OUTLINE AND MOUNT-
ING DRAWING
ALTITUDE: 55,000 feet (16,764 m)
OPERATIONAL TEMPERATURE RANGE: -54° C to +71° C
BEAMWIDTH:
E-Plane: 50° ± 5°
H-Plane: 40° ± 4°
SIDELOBES: Greater than 25 dB down
VSWR: 4240 - 4360 MHz: 1.3:1 Maximum
GAIN: 11.5 dBi (above isotopic)
POLARIZATION: Linear
POWER HANDLING: 100 watts average, 1 kW peak
CROSS COUPLING: 20 in spacing - 80 dB max
36 in spacing - 95 dB max
INPUT IMPEDANCE: 50 ohms nominal