Kt 70 Installation Manual !!link!! Jun 2026

The backbone of a successful KT 70 installation is the wiring harness. Use MIL-W-22759/16 aircraft-grade wire (typically 20 AWG for power/ground and 22 AWG for data lines). Primary Pin Allocations

The BendixKing KT 70 (AlliedSignal) Installation Manual (Part #006-00673-0002) outlines installation, system interconnect, and calibration procedures for the panel-mounted Mode S transponder. It covers technical specs including 11–33 VDC power, 200W output, and TSO compliance. For a full copy, see the Aircraft Maintenance Manuals listing . Bendix/King KT 70 & KT 71 Transponders | PDF - Scribd Kt 70 Installation Manual

Guides the installer through programmable features, such as display brightness levels and dimming times. Testing & Alignment: The backbone of a successful KT 70 installation

Gillham code uses a 10-wire parallel interface (designated D4, A1, A2, A4, B1, B2, B4, C1, C2, C4). It covers technical specs including 11–33 VDC power,

The KT 70 uses a dual-row rear edge connector. While you must consult your specific Bendix/King wiring diagram for complete pinouts, primary connections include: Pin Function Description Wire Gauge Recommendation +14VDC or +28VDC (Unit automatically adapts) Power Ground Airframe Ground / Negative Bus Lighting Bus Connects to panel dimmer (14V or 28V) Suppression Pulse

If the aircraft contains other high-power RF transmitting systems—such as a Distance Measuring Equipment (DME) unit or a second transponder—the must be wired between the devices. This blanking pulse line temporarily desensitizes the KT 70 during adjacent pulses, preventing internal receiver damage or false replies. Section 4: Post-Installation Testing and Certification