Sigtronics SPA-400 Panel-Mount Intercom
TSO'd four-place panel-mount intercom, made in the USA.

Second KX-170B NAV/COM unit from the same inventory.
A further KX-170B NAV/COM offered separately, useful if you are filling both slots of a dual-radio panel or want a spare on the shelf for a training fleet. Same 720-channel comm and 200-channel nav architecture as the original factory fit. Sold as a used unit; tray and connector requirements confirmed before despatch.
| Model / part | KX-170B |
|---|---|
| Category | Avionics |
| Availability | In stock |
Price for this specific unit. Shipping, export paperwork and any applicable duties are quoted separately. Request a quote to confirm availability and total cost for your location.
Fitment, part numbers, approvals and price are confirmed against your aircraft’s documentation before anything is quoted. Nothing on this page is an approval or certification claim.