Must be installed in line with the airframe . It can be mounted in either a normal or inverted orientation. Mounting Method: Rigid mounting is required.

To ensure you have followed the manual correctly, print this checklist from your PDF:

Any installation is incomplete without the flight-line checks. The PDF mandates:

Before attempting installation, it is mandatory to review the latest, authorized technical manual. A proper will cover:

: The corresponding control panel or Control Display Unit (CDU) is typically installed in the center console of the cockpit. Dimensions & Clearance : Antenna Diameter : 286 mm. Antenna Height (External) : 90 mm. Internal Penetration : 75 mm.

This is a detailed, long-form content piece structured around the search query . It is designed to rank for technical users, avionics technicians, and aircraft owners looking for installation guidance on the Chelton DF-935 2-channel Direction Finder.

: When paired with a Personnel Locator System (PLS), it interfaces with radios like the AN/PRC-112 and PRC-434 to provide range and bearing data. Installation Best Practices

Before modifying an airframe, ensure your installation envelope complies with the system’s electrical and mechanical constraints: Specification Parameter Value / Compliance Standard 286 mm × 286 mm × 90 mm Weight 3.8 kg (8.38 lbs) Input Power 16.0 to 31.5 V DC Current Consumption 1.6 A maximum System Accuracy Better than 5° RMS (highly dependent on airframe location) Maximum Altitude 25,000 feet (RTCA DO-160C / EUROCAE ED-14C Cat B2) Vibration Profiles Fixed-Wing (Cat L) & Helicopter (Cat Y) compliant Shock Tolerance 6 g operational; 15 g crash safety (11 ms half-sine) EMC Standard DEF-STAN 59-41, Part 3, Issue 5 3. Physical Installation and Mounting Rules

Page 3. Mounting. Attitude. In line with airframe, normal or inverted. Mounting. Method. Rigid. Temperature. Altitude. EUROCAE ED- 935 Series Tactical DF | Chelton

Meets specifications for fixed-wing aircraft and Category Y for helicopters. Shock Requirements

: It is designed to interface with Combat SAR interrogators and is compatible with beacons like the PRC112G, PRC434, and URX3000. Decoding Capabilities : The system provides built-in decoding for COSPAS-SARSAT and maritime 4. Installation Steps & Best Practices 935 Series Tactical DF Antenna | Chelton

is a high-performance system designed for search and rescue (SAR) and combat search and rescue (CSAR) missions. It integrates a synthesized receiver covering 30 MHz to 470 MHz

Keep the sensor away from large metallic obstructions, landing gear doors, and external payloads to prevent shadow sectors or multi-path interference. Cutout and Dimensions External Protrusion: 90 mm above the skin line.