Baklan-20D

Baklan-20D onboard VHF radio station

Baklan-20D is an onboard VHF aircraft radio station designed to provide simplex radiotelephone communication between aircraft crews, helicopters and ground air traffic control services. The radio station is used on aircraft and helicopters requiring reliable voice communication in the civil aviation VHF band. Typical application may include aircraft such as An-12 and other platforms equipped with compatible VHF radio communication systems according to aircraft documentation.

VHF communication through Baklan-20D

The Baklan-20D radio station operates in the aviation VHF frequency range and provides communication between aircraft and ground services, as well as between aircraft in flight. The “D” version is associated with an extended operating frequency range and support for both 8.33 kHz and 25 kHz channel spacing. This allows the station to meet modern channel spacing requirements used in international and European airspace, depending on aircraft certification and installed configuration.

Emergency frequency access in Baklan-20D

Baklan-20D supports rapid switching to the international emergency frequency 121.500 MHz. The remote control panel includes an emergency switch for quick selection of the emergency channel when required during flight. This function supports crew access to emergency communication without manual frequency selection through the normal tuning process. Actual operation should be checked according to the aircraft wiring and radio station operating documentation.

Automatic tuning and remote control

Frequency selection and radio station control are performed through the remote control panel installed in the cockpit. The panel allows the crew to set the communication frequency, control operating functions and manage the noise suppressor and audio level where applicable. After frequency selection, the radio station performs automatic tuning to the selected channel. This arrangement allows the main transceiver and auxiliary units to remain installed outside the cockpit while the crew retains direct operational control.

Baklan-20D system composition

A standard Baklan-20D set may include the main transceiver, remote control panel, additional low-frequency amplifier, shock-mount frame, interconnecting cable set and connectors. The transceiver performs RF generation, modulation, reception and signal processing. The remote control panel provides cockpit control. The additional low-frequency amplifier supports audio signal output to the aircraft intercom system or crew headsets. The shock-mount frame provides mechanical installation and vibration protection of the radio equipment.

Installation and ordering of Baklan-20D

Baklan-20D equipment is installed according to aircraft documentation. The transceiver, low-frequency amplifier and mounting frame are normally installed in the radio equipment compartment, while the remote control panel is installed in the cockpit. The aircraft VHF antenna with 50 Ohm impedance is usually part of the aircraft equipment and may not be included in the standard radio station supply set. For correct supply, it is useful to specify the aircraft type, required set configuration, single or paired installation, remote control panel part number, frame version, condition and documentation requirements.

Product Type: Onboard VHF aircraft radio station
Designation: Baklan-20D
Alternative Designations: Баклан-20Д, Baklan 20D, onboard VHF radio station
Function: Simplex VHF radiotelephone communication
Purpose: Voice communication between aircraft crew, ground ATC services and other aircraft
Application / Where Used: Fixed-wing aircraft and helicopters
Compatible Aircraft / Equipment: An-12 and other aircraft / helicopters according to aircraft documentation
Operating Frequency Range: 118.000–136.975 MHz
Channel Spacing: 8.33 kHz and 25 kHz
Emergency Frequency: 121.500 MHz
Emergency Channel Function: Rapid emergency channel selection via “AP” switch on remote control panel, where applicable
Transmitter Output Power: 16 W
Power Supply Voltage: 24–29.4 V DC
Power Consumption, Reception: 30 W
Power Consumption, Transmission: Up to 180 W
Operating Altitude: Up to 14,000 m
Transceiver Weight: About 4 kg
Control Method: Remote frequency and mode control from cockpit control panel
Main Scope of Supply: Transceiver; remote control panel; additional low-frequency amplifier; shock-mount frame; connecting cables and connectors
Associated Aircraft Components: Aircraft VHF antenna with 50 Ohm impedance, aircraft intercom system and onboard wiring according to aircraft installation
Single Installation: One transceiver, one remote control panel, one additional audio amplifier and one shock-mount frame depending on configuration
Dual Installation: Two transceivers, two additional audio amplifiers, common paired shock-mount frame and two remote control panels depending on aircraft configuration
Condition: As applicable
Technical Documentation: Manufacturer passport, aircraft technical documentation, wiring documentation and operating documentation upon request

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Returns & Changes (Restocking Fee)
For selected items, a RESTOCKING FEE of 10% may apply in case of return, order cancellation, or changes to the order specifications. This condition applies only to certain products and is confirmed at the order approval stage.

Warranty
All products are covered by a standard 6-month warranty.
Extended warranty is available upon request and is agreed individually; it may affect the final product price.