TSO C55a Approved Fuel Float Level Sensor

CIES Inc has obtained FAA TSO Approval - C55a - at the most rigorous standard for it's line of float based digital fuel level senders.

Its official we now are producing a line of TSO'd Fuel Level senders applicable to most aircraft below 12,500 lb gross weight. 

This effort provides a real alternative to the old Stewart Warner  senders long out of production for current General Aviation Aircraft fleet.

We are working with every major manufacturer to incorporate our senders as original equipment.