| Pin | Function | Wire Color (Typical) | Notes | | :--- | :--- | :--- | :--- | | 1 | Chassis Ground (P1) | Bare | Bond to airframe | | 2 | +14/28V Input | Red/Orange | Requires 5A circuit breaker | | 3 | Power Ground (Return) | Black | Size 16 AWG | | 4 | Encoder Data A1 (Gray) | White/Gray | Gillham code | | 5 | Encoder Data A2 (Blue) | White/Blue | Gillham code | | 6 | Encoder Data A4 (Green) | White/Green | Gillham code | | 7 | Encoder Data B1 (Yellow) | White/Yellow | Gillham code | | 8 | Encoder Data B2 (Brown) | White/Brown | Gillham code | | 9 | Encoder Data B4 (White) | White/Red | Gillham code | | 10 | Encoder Data C1 (Red) | White/Black | Gillham code | | 11 | Encoder Data C2 (Orange) | Orange | Gillham code | | 12 | Encoder Data C4 (Slate) | Slate | Encoding altimeter sync | | 13 | Panel Dimming Bus | Blue | 0 to 5V DC dimming | | 14 | Ident Switch (Remote) | Green | Momentary to ground | | 15 | Transponder Antenna | Center Conductor | RG-400 coaxial | | 16 | Antenna Shield | Braid | 360-degree bond | | 17 | Encoder Common (Return) | Black/White | Encoder ground | | 18 | Spare | N/A | No connection | | 19 | Spare | N/A | No connection |
For a similar radar altimeter with modern support, consider FreeFlight Systems’ RAN series. If you must use the Escort II, buy the reproduction manual from a reputable vendor like Essco rather than hunting for a “free full” version. narco escort ii installation manual full
The Escort II is typically a 14VDC unit. Ensure your bus voltage is stable. | Pin | Function | Wire Color (Typical)
You can find the essential wiring and pinout data through the following links: Ensure your bus voltage is stable
Narco Escort II is a lightweight, digital "shared system" radio that functions as either a 200-channel VOR/LOC NAV receiver or a 720-channel COMM transceiver. Unlike standard indicators with needle movements, it uses a gas-discharge display for VOR/LOC deviations.
: Digital gas discharge for frequencies and deviation indicator.