Intercoms

Design philosophy
Eventually almost all fliers need to interface their headsets with a radio and finish up having to plug into an interface box of some sort. Flycom takes the view that this box may as well contain everything you need and be as close to the radio as possible so obviating the need for loads of wires, connections and long patch leads.

Since the box also contains the audio for the intercom as well as the radio, this leaves the headset ear defenders empty to do what they were designed to do, that is, protect your hearing.

The standard EN 966 1996 Helmets for airborne sports (UL) makes reference that provision should be made for the addition of a communication system of some kind. Note, the standard makes no reference whatsoever to decibels, hearing protection, or noise levels; by far the biggest hazard you face when you go flying!

User information
In order to fully appreciate and truly enjoy using your Flycom Intercom, please read the Mk1 User Information first. Click here to download PDF.

Mk1-BB Product Specification
This Black Box version intercom will interface with any ICOM radio and many others too.  It is a superb quality 2-place aviation intercom with crystal clear communication at safe low volume settings. As such, there is no need to crank up the volume on this set (although you can if you want to!).

All Flycom intercoms accept both Flycom Helmets or Headsets with straight or angled jack plugs (both shown) and also GA (twin jack) headset using Flycom Headset Adaptor HA-2. Other key features include:

  • Plug-in PTT switch supplied with either coiled lead or straight to order. Remember to specify the length you need.
  • Plug-in radio patch lead, fully screened. Standard length 1m. You can have it longer or shorter. (Please state length when ordering).
  • Single power supply to intercom and radio as standard.
  • Non-radio fliers use without patch lead and PTT for intercom use only. Fused power lead fits in patch lead socket.
  • Solo pilots can use the 2-place I/C with P2 unused. Side tone, stall warner and radio communication all still work as normal.  P2 socket can be used for music input when flying solo.  (Music goes off automatically when you transmit and back on again in receive mode)
  • FLYCOM Mk1-BB will interface with either ICOM A2, A20, A3, A22 or A200. State which.  (The A2/A20 and A3/A22/A200 patch leads are not interchangeable).
  • The FLYCOM Mk1 can be configured to deal with either type of transmission mode and will be supplied with the relevant patch lead.
  • Selective audio filtering for optimum voice spectrum. High and low frequencies cut for maximum intelligibility and hearing protection. This is a Lo-Fi headset (by design). The last thing you want in an aviation headset is High Fidelity.  see mike waveforms
  • P2 mike is mute when P1 transmits on the radio. P2 hears both sides of radio conversation.
  • 12v to 13.8v dc supply, polarity protected.  FLYCOM Mk1-BB will stand up to 22v max. NB. Your ICOM definitely won’t stand more than 15v!
  • FLYCOM Mk1-BB is polarity protected. NB. Your radio may not be!


Optional extras

  • Both 3 and 4-place versions available.
  • P1 selector switch. (P1/P2 change-over) Determines which socket transmits when the PTT is pressed. Ideal for sharing the radio work without having to swap plugs in the sockets. P2 is mute when P1 transmits. Single or double PTTs. (Note: this is not an option on 3,4 place intercoms).
  • Twin plug-in PTTs (For use with change-over relay option COR-1) Enables either radio P1 (right socket) or radio P2 (left socket) to transmit. The other mike automatically mutes during the transmission. Ideal for sharing the radio work or R/T training since P1 (instructor) can override P2 (student) but P2 cannot override P1.
  • On-box PTT switch. Momentary toggle or push button action. Please state which. (This can be in addition to, or in place of, the standard remote plug-in PTT).
  • Mike output to video or audio tape recorder.
  • PTT switch Positive action toggle switch for Trike fliers with Velcro fixing to base bar. Curly lead.
  • Warning audio signal. (Available as added circuitry on the intercom circuit board and extra phono socket wired to the plug-in PTT).

When activated the pilot hears a repetitive succession of rapid "bleeps" through the headset. Very attention seeking and cannot be ignored, but quiet enough to allow normal intercom and radio conversations while being activated  (Bleeper goes mute during radio transmissions).

The bleeper audio can be used for almost anything on the aircraft which requires an audio warning. e.g. stall warning, low fuel, undone seat belt, unsecured hatch or door, etc. Use your imagination! Simply close the circuit to activate and open the circuit to de-activate. Any normally open (NO) switch or relay wired to a phono plug will activate the warning bleeper when closed.

Mk2B – 3/22 Intercom
Integral intercom and radio in one package! Designed to fit ICOM IC-A3 and ICOM IC-A22 radios
(in place of the NiCad battery) Radio/Intercom packages do not come any neater, better or
cheaper than this!
  • Selective audio filtering for optimum voice spectrum. High and low frequencies cut for maximum intelligibility and hearing protection. The helmet/headset is Lo-Fi (by design).
  • The last thing you want in an aviation headset is High Fidelity (Hi-Fi)
  • Adapters available to accept David Clark or similar GA twin jack aviation headsets for light aircraft.
  • Solo pilots can use the 2-place I/C with P2 unused. Side tone, Warning bleeper and radio communication all still work as normal.
  • Interference-free. Flycom intercoms will run directly from a 'Key West' regulator without a battery in the circuit with no interference! It is, however, recommended that you use a battery with a fuse in the supply lead
  • Mk2 fits like a battery pack. ICOM A3 or A22 radios are automatically supplied with power (12 - 15v dc) via the connections on the top of the intercom case.
  • Bottom entry sockets for compact installation. (Supersedes Mk2F-3/22 front entry model now discontinued because of new right angled plug options).
  • Right-angled plugs now available on helmet/headset leads and extension leads for extra compact installations and universal lead lay-out options. (Front, side even back entry!)
  • Mk2 intercoms available separately if you already have an ICOM A3/A22 or older model A2/A20. Available as a package with radio of your choice.
  • On-board PTT and remote (plug-in) PTT socket fitted as standard.
  • P2 mike is mute when P1 transmits on the radio. P2 hears both sides of radio conversation.
  • Ideal for instructors who need to be ‘radio self-contained’ in different aircraft. Besides conventional panel mounting on a bracket they can be carried in a pocket or clipped to a map board or shoulder strap.
  • Protection. All Flycom intercoms are polarity protected and will stand up to 22v max.

This intercom does not provide voltage and polarity protection to the IC-A3/22 radios