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Bennett Avionics

KNS-81 NAV / RNAV / Glideslope Receiver


KNS-81 NAV / RNAV / Glideslope Receiver

There is currently a 2-3 week lead time to get a Serviceable KNS-81 certified and ready to ship.
Product Information
Part Number: P/N: 066-4010-00 - Standard KNS-81, 9 waypoint memory
Part Number: P/N: 066-4010-10 - 10 waypoint memory
Condition: Serviceable (Certified Used)
Certification: 8130-3
Voltage: 14/28 V
Included: Rack & Connector (if needed), 90 Day Warranty
Comments: Requires a KN-63 or KN-63 (-01) DME Receiver/Transmitter
Comments: The reliability of this radio has fallen as it has aged. As a result, we no longer offer an extended warranty option.
Comments: If you need a slide-in replacement, this radio may be the best choice. If you need better reliability, and are able to consider a new installation, we would be happy to recommend alternatives.

Product Description

King's KNS-81 is a sophisticated Integrated Navigation System. It combines, in one chassis, a 200 channel VOR/LOC NAV receiver, a digital RNAV computer, and a 40 channel Glideslope Receiver.

The KNS-81 must be interfaced with a KN-63/KDM-706/KDM-706A DME Receiver/Transmitter and a KDI-572/KDI-573/KDI-574/KPI-553A DME indicator. (If you don't have this DME equipment installed, the KNS-80 is far more economical. The KNS-80 is a better choice for a new installation, provided you can fit its 3-inch height in your radio stack.)

The RNAV computer allows the pilot to electronically "move" a VOR, allowing more direct flight. The computer also helps with flight planning by providing the preselection and storage of 9 frequencies and/or RNAV waypoints.

The bright Silver Crown gas-discharge display presents this information clearly. The display shows the frequency, radial, and distance for the current waypoint simultaneously.

The only drawback to the KNS-81 is that it is slightly taller than the usual flat-pack radios. This unit is about 2 inches tall. If you have the space in your radio stack, you can add a lot of capability with a KNS-81.

The KNS-81 features:

  • Internal VOR/LOC Converter
  • Self-dimming display
  • TSO'd

Since the King KNS-81 contains an internal VOR/LOC Converter, it is designed to be used with indicators that do not include this converter, such as:

You may also be interested in a DME or Indicator to use with this KNS-81.

If you have any questions about this item, please click Ask us about the King KNS-81 NAV / RNAV / Glideslope Receiver to send us an email.

Warranty Information

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