KN-53 Nav

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  • 1.3" high flat-pack, NAV unit
  • 200-channel navigation receiver
  • Built-in 40 channel Glideslope receiver available as option (see table below)
  • Features simultaneous gas discharge display of both active and standby frequencies
  • Flip-flop frequency transfer button
  • Electrically Alterable Read Only Memory (EAROM) provides non-volatile storage of two frequencies
  • Used with either KI-203 or KI-208 VOR/LOC indicators and KI-204 or KI-209 VOR/LOC/GS converter/indicators
  • Will operate an HSI such as KI-525A (of KCS-55A System) with a remote KN-72 VOR/LOC converter
  • Output provided for automatic channeling of remote DME systems
  • Composite VOR output signal provided to operate KI-229 RMI
  • All solid-state system employs digital frequency synthesizer for NAV frequency control
  • Microprocessor controls the display and provides DME tuning code conversion
  • Crystal filter provides added protection against channeling interference for improved selectivity on 50 kHz frequencies
  • Operates on any DC voltage from 11 to 33 volts
  • Models available with diffused or non-diffused display lens (see table below)
  • Models available with 5V lighting and bezel removed for use in a system with a common bezel such as the CNI-5000 (see table below)
  • TSO'd
Size: 6.31"W x 1.30"H x 9.75"L Weight: 2.3 lbs. / 2.6 lbs. (w/ GS)
TSO: NAV C40a DO-153; LOC C36c, Class D, Cat II DO-131; GS C34c, Class D, Cat II DO-132 Environmental Categories: DO-160/A1D1/A/PS/XXXXXXABABA
DME Channeling: 5 wire 2x5 code MHz & kHz lines; 1 wire 50 kHz line; 1 DME common line ILS Energize Output: Ground on ILS channels, open otherwise
Frequency Memory: Frequency data stored with no standby power required Frequency Stability: +-0.0015%
VOR/LOC Sensitivity: 2.0uv (hard) max. will provide a half-flag navigation indication. Typical 1.0uv (hard) VOR/LOC Selectivity: Typical 6dB at +-17kHz, 80dB at +-42kHz; Minimum 6dB at +-15kHz, 60dB at +-42kHz
Spurious Responses: Down at least 60dB Ident Filter: 15dB minimum tone rejection
NAV Accuracy: +-15 deg. max. error/95% probability Audio Output: 50mW @ 500 ohms
NAV Freq. Range: 108.00-117.95 MHz GS Channels: 40 (150 kHz spacing)
GS Freq. Range: 329.15-335.00 MHz GS Selectivity: 6dB max at +-25 kHz, 60dB min at +-300 kHz
GS Sensitivity: Typically 12uv (hard) for half flag 20uv (hard) max Indicator Output: No load resistors or wiring changes are necessary for any combination of deviation or alarm flag loads
Course Deviation Response: 0.6 seconds max Centering Accuracy: Less than +-10ua under all service conditions

Part Number Navigation Receiver Description
066-1067-00 Diffused display lens, with glideslope receiver/converter
066-1067-01 Diffused display lens, without glideslope receiver/converter
066-1067-02 Non-diffused display lens, with glideslope receiver/converter
066-1067-03 Non-diffused display lens, without glideslope receiver/converter
066-1067-04 NO display lens, 5V lighting, with glideslope receiver/converter
066-1067-05 NO display lens, 5V lighting, without glideslope receiver/converter
066-1067-10 Silver Crown Plus version