2-piece color radar system consisting of RS-181A Radar Sensor and IN-182A Radar Indicator. Designed specifically for use in medium to light twin engine aircraft of turbo jet, turbo prop, or piston engine design.
- Detects, locates, and presents any enroute weather associated with thunderstorms and high density rainfall in four color format
- Consists of radar sensor with line-of-sight stabilized 10 or 12 inch antenna array
- System provides 190 mile (maximum) avoidance range capability with 12 inch antenna and operates on a frequency of 9345 MHz (X-band) with a nominal peak of 1 KW
- System can be used, day or night, for ground mapping which permits displaying prominent topographical features in addition to primary weather mapping purpose
- Indicator can be expanded to display multifunction digital data such as navigation and radio navigation information, flight log information, and several pages of checklist information
- Vertical profile version available shows height of weather activity
- Indicators available with black or gray bezel
- RF Power Output (Transmitter): 1 kw peak power
- IF Bandwidths (Receiver): 1.6 MHz and 0.6 MHz
- Receiver Gain: 135 dB minimum
- Gain (minimum): 26 dB (10" antenna), 26.7 dB (12" antenna)
- VSWR (max): 1.4:1
- Beamwidth: 10 deg. (10" antenna), 8 deg. (12" antenna)
- Display type: X-Y raster scan
- Weather Data Input: ARINC 453 bus, ARINC 708 data word
- Control Data Outputs: ARINC 429 characteristic
Indicator
- Weight: 8.9 lbs.
- Altitude Limits: 25,000 ft. unpressurized (operating)
- Temperature Limit: -20 to 55 deg. C
Sensor
- Weight: 11.3 lbs. (w/ 10" array), 11.6 lbs. (w/ 12" array)
- Altitude Limits: 55,000 ft. unpressurized (operating)
- Temperature Limit: -55 to +70 deg. C
Antenna
- Scan Angle: 90 deg.
- Scan rate: 30 deg. / second
- Tilt angle: +-15 deg.
- Stabilization: +-25 deg. combined pitch and roll
- RS-181A Radar Sensor
- IN-182A Radar Indicator