Aviation Fuel Level Indication - Customer Responses

Customer Responses

The cost to retrofit CiES senders to a pre-74 B55 is around $3200 (plus installation). That may seem "outrageous" but it's only about 50% more than what it costs to have the eight (2 per tank * 4 tanks) senders "overhauled" and my experience with overhauled senders is not very good. At best the OH senders will perform as good as when new for a few years which is to say they're accurate to within about +/- 5 gallons.
Properly calibrated the CiES senders appear to be within one gallon.  In a Bonanza with two 40 gallon tanks or a post 1973 Baron there are only four senders so that cost is cut in half. IIRC the last time I checked, new (1940s technology based) senders from Beech were around $1,600 each or over four times what CiES charges.

I'm having a hard time seeing anything "outrageous" with CIES pricing.

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And one additional point about CIES senders. I have absolutely no doubt if any question or issue came up, Scott would be on the phone within the hour. (More likely in minutes.) Every interaction I have had with him and interactions I have seen others have with him have been very positive. 

Phone or email he's always been very helpful.

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+1 on the CiES/ Scott Philiben Phan club. There's no better customer service than that provided by Scott. anywhere.

I'm still VERY happy with my CiES senders. You know, when something "just works", you take it for granted. I don't really give my CiES senders much thought. They're underappreciated little heros quietly doing their job. Perfectly. All the time.

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AIRCRAFT FUEL GAUGES THAT YOU CAN TRUST 

"With over 10,000 units now flying, CiES has taken over the OEM fuel level sending field.   Our combination of outstanding quality,  reliability, and accuracy has made CiES the standard and the industry leader for fuel level indication on all aviation platforms, GA, Utility, Rotorcraft for both reciprocating and turbine engine applications " 

Piper PA-31 Navajo Fuel Quantity Senders

Piper Navajo Fuel Quantity Senders  

We just completed a set of Piper Navajo senders for Mike Jones Aircraft.   

We replaced the old resistance sender design with the CiES Magnetic Field design .  Like a lot of well regarded aircraft, the Piper Navajo has not been supported by the factory for some time and the existing replacement senders either don't work or they have outlived their ability to be effectively re-worked along.

The CiES fuel level sender is built for the Navajo application, with a custom arms dedicated to each location on both the main and the auxiliary tanks.  Our non-contact fuel quantity measurement method insures that leakage can not happen through the sender body.  A modern digital sender component to compliment a modern digital cockpit interface, like a JPI or Aerospace Logic.

All of our sensor electronics are fully enclosed in the aluminum housing.  Unlike traditional failure prone senders - our senders have amassed an impressive record of 350,000 hrs of flight time without error or in service replacement.   

We will change your opinion of what float fuel senders are capable of - both from a precision and reliability standpoint.

Finally a fuel level sender specifically designed for the aviation market.

Vulcanair P68 Service Bulletin - Digital Fuel Level Digital Fuel Level

Vulcanair P68 Service Bulletin - 

The two new fuel senders are of magnetic field typology and their output is a digital square wave signal whose frequency changes according to the fuel level in the tank.

This new fuel sender uses one wire to interface the level indicator by which it transfers its output frequency to the indicator and a second wire to get a voltage supply, typically  the 28Vdc of the aircraft.


Vulcanair is the second OEM Aircraft manufacturer to utilize the CiES Digital Fuel quantity sender for installation on all of it's aircraft.   

Vulcanair is the first manufacturer to offer a retrofit Service Bulletin Kit to install the system on legacy Vulcanair and Partenavia Aircraft.  

 
AIRCRAFT FUEL GAUGES THAT TELL THE TRUTH 

"With over 10,000 units now flying, CiES has taken over the OEM fuel level sending field.   Our combination of outstanding quality,  reliability, and accuracy has made CiES the standard and the industry leader for fuel level indication on all aviation platforms, GA, Utility, Rotorcraft for both reciprocating and turbine engine applications "