Narco Escort Ii Installation Manual ((better)) Full Official
The first step in installing the Narco Escort II is to choose a suitable location for the device. Consider the following factors:
Requires approximately 11.5 inches (29.2 cm) of clearance behind the panel for the chassis, connectors, and cable routing. Electrical Requirements
Standard avionics tools, crimping tools for Molex connectors, wire strippers, and testing equipment.
Once wiring is secure, execute the following steps before closing up the instrument console: narco escort ii installation manual full
A standard 50-ohm VHF whip antenna. Ensure the VSWR is less than 3:1 for optimal transmission.
Installing the Narco Escort II (and its variant, the AT 150) is a common project for pilots looking to maintain legacy avionics. While these units are known for their reliability, a successful installation depends entirely on precise wiring and proper antenna placement. This guide covers everything you need to know to get your transponder airworthy. Required Tools and Equipment Crimp tool for D-sub connectors Soldering iron (for antenna connections) RG-400 or RG-58 coaxial cable Monopole or "shark fin" transponder antenna Standard 3.125-inch instrument hole mounting tray Wiring Pinout Configuration
degrees for VFR or IFR flight legality under FAA regulations. If the error exceeds this limit, internal potentiometer adjustments (R101/R102 inside the case) must be calibrated by an authorized avionics repair station. The first step in installing the Narco Escort
The Escort II requires two distinct antenna inputs via BNC connectors:
⚠️ Working on avionics requires specialized knowledge. While this guide provides the technical layout, all final installations must be signed off by an FAA-certified mechanic or repair station. To help you get this unit running, let me know: What model encoder are you using? Is your aircraft a 12V or 24V system? Are you replacing an old unit or doing a fresh install?
Standard VOR/LOC horizontal dipole or V-blade antenna. Cable: RG-58A/U 50-ohm coaxial cable. Once wiring is secure, execute the following steps
The challenge? Narco officially shut down in the early 2000s. Original paper manuals are scarce, and many PDFs floating around online are incomplete, low-resolution, or missing critical pages (like the interconnect diagrams or post-installation checkout procedures).
This comprehensive guide is designed to serve as your authoritative resource for installing a Narco Escort II. It consolidates decades of field knowledge, official technical data, and practical troubleshooting wisdom from experienced avionics technicians and the pilot community. It is essential to remember that this guide is for informational and educational purposes only. The installation of any aircraft avionics is a task that must be performed by a in compliance with all current FAA regulations (such as 14 CFR Part 43).
Mount the VHF COM antenna on the top or bottom of the fuselage skin. Ensure it has a minimum separation distance of 3 feet from other antennas to prevent cross-channel blanking.
Use high-quality coaxial cables like for standard runs.
Approximately 6.5 pounds including the mounting chassis. 2. Mechanical Installation and Mounting