Part #: 071-00159-0111

Model: KAC-501

BendixKing - Weather Radar Module
Part Number :

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  • Multifunction Display System utilizing KMD-540 Indicator
  • Same as KMD-550 but includes weather radar interface
  • Requires KAC-501 weather radar interface plug-in module for weather radar display
  • Easy joystick control and mutiple function keys used for operation (see panel key/control layout)
  • Standard display capabilities include moving map via compatibe external GPS source and stormscope/lightning information
  • Optional modules (i.e. KAC-502/503/504) can be insatlled into KMD-540 unit to expand display capabilities when used with w/ compatible sensors (see below)
  • Optional modules and compatible sensors expand unit to include traffic/TIS, terrain and datalink weather display/information
  • Moving Map/GPS interface compatible with any GPS receivers that outputs RS-232 and ARINC 429 position information
  • Can accept ARINC 429 FMS position input when KAC-504 module is installed into KMD unit
  • Advanced features include NTSC-compatible video input port and simultaneous overlay from different sensors
  • Capable of receiving magnetic heading from several sources such as synchro XYZ, FMS/HDG, traffic ARINC 429, WX-500 and airdata (note: KAC-504 module must be installed for XYZ heading to operate)
  • Heading information used to correct difference between heading and track based display pages for overlay of flightplan info and other data
  • Cartographic database presents information such as airports, VORs, SUA, rivers, roads, and more
  • Can display holding patterns, procedure turns and DME arc when interfaced to KLN-94
  • Wide viewing angle
  • 2 year factory warranty
  • Available with black, gray, or Silver Crown type bezel

  • PLEASE NOTE: Compatible avionics listed are available at additional cost, not included
COMPATIBLE SENSORS Weather Radar - (KAC-501 optional module required in KMD-540 - see example): Bendix/King ART-2000 (w/ Mod 6 at Software Mod 01/09 or higher) Bendix/King ART-2100 (w/ Mod 3 at Software Mod 01/04 or higher) Bendix/King RS-811A (from RDS-81 System) Bendix/King RS-181A (from RDS-82 System) - P/N 071-1315-00 and -30 only Bendix/King RS-841A (from RDS-84 System) - P/N 071-1315-00 and -30 only Bendix/King RS-861A (from RDS-86 System) - P/N 071-1315-00 and -30 only Stormscope/Lightning L3/Goodrich WX-500 (no interface modules required; interface is standard in KMD-540) L3/Goodrich WX-1000E (note: only functional if KAC-504 module installed and WX processor has ARINC 429 output - P/N 78-8060-6086-5 or 78-8060-6092-3) Traffic - (KAC-504 optional module required in KMD-540): Bendix/King KTA-870 Bendix/King KMH-880 Bendix/King KT-73 TIS Unit (i.e. non-active "service" oriented traffic advisories) L3/Goodrich Skywatch 497 L3/Goodrich Skywatch HP 899 Ryan 9900BX Bendix/King CAS-66A TCAS I L3/Goodrich TCAS-791 TCAS I Bendix/King CAS-67A TCAS II (note: TPU-67A processor does not use KMD-540 as control head- consult TCAS manual) Honeywell CAS-81A TCAS II (note: TPU-81A processor does not use KMD-540 as control head- consult TCAS manual) Terrain - (KAC-502 optional module required in KMD-540): Bendix/King KMH-880 Bendix/King KGP-560 EGPWS Bendix/King KGP-860 EGPWS Honeywell Mark V EGPWS Honeywell Mark VI EGPWS Honeywell Mark VII EGPWS Honeywell Mark VIII EGPWS Honeywell Mark XXI EGPWS Honeywell Mark XXII EGPWS (Click Here for a list of compatible EGPWS units) Datalink Weather - (KAC-503 optional module required in KMD-540): KDR-510 (Note: The KDR-510 is the only datalink weather system compatible with the KMD-540/550/850) *DOWNLOADS* - Click Here to download the KMD-550/850 Pilots Guide - Click Here to download the KMD-550/850 Weather Radar Addendum
Width: 6.2" (15.8 cm) Height: 4.0" (10.1 cm)
Depth: 10.0" (25.4 cm) Weight: 5.0 lbs.
Screen Size: 5.0" (12.7 cm) diagonal Temperature: -20 to +70C
Power Input: 10-33 VDC (20W) Certification: FAA TSO C113, TSO C110a


- Weather Radar Module

NSN: 5841-01-552-0486

Price Condition Delivery

SEA Repair Capabilities: Yes

Click on a question below to see the answer. If you have a question about this model that is not answered below, please contact

The KMD-540 is the actual MFD unit included in the KMD-550/850 systems. Therefore, KMD-540 + Install Kit & Database = KMD-550. And, KMD-540 + KAC-501 radar module + Install Kit & Database = KMD-850. The KMD-550 and KMD-850 are merely system reference designations. The actual MFD unit does not have the KMD-550/850 part on it.
The KAC-501, 502, 503, and 504 modules can be added and removed to the KMD-540 display unit very easily. Labeled screws are removed from the side panel and the panel is slid back. A screw on the top for the locking bar is removed, the bar is turned 90 degrees counter-clockwise and then pulled up through the top of the unit. For detailed instructions, please view this page from the KMD-550/850 Installation Manual.
Southeast Aerospace exchanges are based on the return of an undamaged, economically repairable core unit with identical part number as the unit shipped to the customer. An "economically repairable" core is defined as one where the cost to repair/overhaul (or Repair Cap) does not exceed 80% of the original SV/OH exchange price billed. Should the Repair Cap exceed 80%, the customer will be billed the additional amount. In the event this amount exceeds the Outright Price for the unit, the customer would only be billed the difference between the Outright Price and SV/OH Exchange Price with the core returned as-is to the customer.

Here is an example of such a transaction:

$1000 Exchange Price charged to customer
$1000 x .8 = $800 Maximum Allowable core repair charge or Repair Cap

$2000 Cost to repair core unit
- $800 Less Core repair cap
$1200 Additional billing amount.

2200.00 Total Cost of transaction

Please Note:
SEA offers exchange on new items as well. However, repair cap as indicated above is still based on SV/OH exchange price.