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Bennett Avionics

NSD-360A Slaved Compass System (HSI)


NSD-360A Slaved Compass System (HSI)


Product Description

The Century NSD-360A HSI is a popular, less expensive alternative to the King KCS-55A. The biggest difference is that the NSD-360A is operated by vacuum, while the KCS-55A is electric. This version of the NSD-360A is Slaved, which means that the Gyro is not subject to precession. With a Slaved system, the pilot does not need to keep making corrections to the heading. Unlike the one-piece non-slaved NSD-360A, the slaved NSD-360A requires three components. These are the NSD-360A HSI / Gyro, 1C714 (without bootstrap output) or 1D755 (with bootstrap output, extra cost option) Slaving Amplifier, and 1B495 Flux Detector. The NSD-360A shows both your heading and course information on the same display. It may be interfaced with an Autopilot or Flight Director. It also has a glideslope indication that appears when flying an ILS approach. Like all HSIs, the "top-down" perspective combines information that would normally be shown separately on a Directional Gyro and CDI. The NSD-360A features:

  • Full-time 360-Degree Heading Presentation
  • Rectilinear Course Deviation Indicator
  • Full View Glideslope Indicator
  • Masking Glideslope Warning Flag
  • 45-Degree Tic Marks
  • Referencing Heading Bug
  • Failed Gyro Warning Flag
  • Free Gyro Mode
  • Gyro Caging Knob
  • Lost Power Warning Flag
  • Discrete NAV Warning Flag
  • GPS, RNAV, and LORAN Compatible
  • Autopilot Outputs for Heading and Course
  • Continuously Caged Heading and Course Selection Knobs
  • Reference Aircraft and Heading Lubber Line
  • Diffused Incandescent Perimeter Lighting
  • Course Arrow with Reciprocal Indicators
  • TSO'd

The course information displayed on the NSD-360A may come from a variety of sources, including a GPS. The following NAV Receiver / RNAV Navigation Systems are also compatible with the NSD-360A:

  • KNS-81 NAV/RNAV/Glideslope
  • KNS-80 NAV/RNAV/DME/Glideslope
  • KX-155 NAV/COMM (with an external VOR/LOC Converter)
  • KX-165 NAV/COMM
  • VIR-351 NAV
  • SL-30 NAV
  • GNS-430 NAV/COMM/GPS/Glideslope
  • GNS-530 NAV/COMM/GPS/Glideslope
  • and many more... Contact us for compatibility

HSIs are available in either Serviceable or Overhauled condition. We strongly recommend the Overhauled option, as shown here. Unlike many other avionics items, Gyros contain high-speed moving parts that will wear over time. Having a system Overhauled will ensure the reliability you expect from an important and expensive system. Overhauled systems come with a 6 month warranty. We do not typically stock Overhauled NSD-360As because the "clock" would start on the overhaul warranty. Instead, we will have an HSI overhauled for you to get you a fresh inspection and full warranty period. Please allow 1-2 weeks before shipping. (If you need an NSD-360A quickly, please contact us to see what options we can offer.) You may also be interested in an NAV or NAV/COMM to use with this NSD-360A.

If you have any questions about this item, please click Ask us about the Century NSD-360A Slaved Compass System (HSI) to send us an email.

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