PRODUCT
INFORMATION
PAGE


IND-31C


FEATURES
  • Provides the same functions as the IND-31 but also provides additional course datum information to an autopilot
  • A panel-mounted, dual pointer VOR/ILS indicator
  • Used with the VIR30( ) /31( ) Navigation Receiver
  • Provides VOR, localizer, and glideslope deviation; bearing to/from the VOR station; NAV and GS warning flags; and annunciation of RNAV mode operation
  • Includes a synchro control transformer that utilizes compass system X, Y, Z heading data to generate a 2-wire course datum error signal for the aircraft autopilot
  • An OBS knob is provided for manually rotating the indicator azimuthy card to the desired bearing
  • Contains no active electrical components; electronics are limited to meter movements, a resolver, an inductor, a synchro control transformer and incandescent light bulbs for uniform display lighting
  • All display drive signals are supplied by the associated receiver instrumentation circuits
SPECIFICATIONS
Dimensions: 3.25"W x 3.25"H x 4.75"L Weight: 1.5 lbs.
Temperature range: -15 to +55C (continuous)
-40 to +85C (storage)
Altitude: 30000 feet
FAA TSO: C40a, C34c class D; C36c class D; DO-138 env. cat. DAPBAAEXXXXX Panel Mounting: Front or rear
Cooling: Convection Relative Humidity: 95% at +50C
Shock: 6g (operational)
15g (crash safety)
Power Requirements: All operating power supplied by associated receiver
VOR Course Selector 30Hz Accuracy: +/-0.7 Deg bench @ 300 Deg; +/-1.3 Deg bench @ any major reference mark; +/-1.5 Deg @ environmental VOR Course Selector 400Hz Accuracy: +/-0.7 Deg bench @ 300 Deg; +/-1.3 Deg bench @ any major reference mark; +/-1.5 Deg @ environmental
Deviation Centering: +/-3mV max input to drive deviation bar to center Deviation Sensitivity: 150 +/-15mV for 5-dot reflection
NAV Flag: Fully in view at 180mV; fully out of view at 245mV GS Flag: Fully in view at 180mV; fully out of view at 245mV
TO/FR Indicator: +/-40mV fo flag fully in view

IND-31C
Part Number VOR/ILS Indicator Description:
622-4483-001 28-Volt lighting, 5-Volt RNAV annunciator lamp
622-4483-002 5-Volt lighting, 5-Volt RNAV annunciator lamp
622-4483-003 28-Volt lighting, 28-Violt RNAV annunciator lamp


ind31c