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Actually you have to be precise here - A lot of Aircraft have Garmin instrumentation and that is digital - however most aircraft sensor outputs are analog - CHT, EGT, Etc. This was also true of fuel quantity as these sensors up until 2011 were primarily analog potentiometers. With the...

Every large aircraft is equipped with a fuel level system capable of being accurate throughout the flight envelope of 3% of total fuel volume - many of these systems meet the 0.75% requirement for fuel volume. You can measure fuel in aircraft - it is done and as stated above. Most new GA...

So much of this is based on pilot here say - it needs to be addressed. There is a quality standard and it is referenced in the Advisory Circular 23.17. Equally if you review the maintenance manual for any aircraft - that would be the legally binding definition of airworthy. Piper has a...

Take it up and buzz around the patch - Well take it from someone that supplies to this market, you will lose money. The product will not operate correctly, the pilot will want his aircraft returned to its original configuration, performed on your dime and throw in his lawyers kids braces. Oh...

The funny thing is - is that TSO'd avionics were intended to be a shoe that fits all. The certification process is not all that daunting and the TSO process allows self certification to occur. Frankly going through the process on over a dozen applications for various components - I don't...

There is an element of risk compensation - the $100 dollar burger pilot who only flies solo and with full tanks may never need fuel gauges unless the fuel cap loses an o-ring or a isn't secured properly. but because that is a possibility the NTSB record indicates some burger pilots run out of...

As a manufacturer proposed exactly what you are saying - What does super accurate mean to you (Within 5, 2, 1, 0.5 gallons) FAA Advisory Circular 23.17 (underlines are mine) 2. BACKGROUND Recently there has been a trend toward replacing fuel pressure indicators and analog reading fuel...

the DA-40 numbers will be interesting as they have utilized a capacitive system that, when new, I have been told, provides good fuel level indication

Interesting Comment - So if I get this right your expressed and admittedly common logic is: Fuel gauges are sketchy in GA aircraft. Non functional REQUIRED gauges meant to warn a pilot of a condition will not work to warn a pilot of the condition. The logic above suggests that you have not...

Dan: Well, float base rheostats are for the most part gone from new aircraft production. I know, it is news to most people. New floats by the way are either closed cell foam - NBR or Epoxy with Microballoons - They are very difficult to fuel soak - we have tried Most new fuel quantity...

Here is the first OEM aircraft and the first owner - interestingly a leaseback owner

Done - https://www.linkedin.com/in/fuellevel

I am looking into it as we speak - couldn't locate how to do it - will have to use HELP We are just scratching our way upward - there is a lot of FLOAT discrimination to overcome but we have lots of Jet A platforms in the works I have no idea on pricing from Cessna - but I would expect it...

but83: Thanks for that - I heard that a lot at Oshkosh - Glad that somebody took on GA fuel quantity, about 20 times an hour. We really did fix it, as Cirrus stated we put a nail in the issue funny thing is, that it wasn't really that hard. Like I said - it appeared that the original...

I agree with denverpilot - feeding tanks from both addresses a lot of issues. However both tanks don't drain at the same rate and you always have to draw from one or the other to stay balanced. You actually know this when you have accurate fuel gauging. Somebody suggested coriolis effect -...

I appreciate the feedback - I will try to fix the issues you found. We report out to any FAA Approved gauge (i.e. the existing Rochester Gauges) the issue is that we need both a Tank profile and a Gauge profile to accomplish this effectively, when we have both we make analog gauges hum...

Yes that is me Actually we just did a 182T the other day - Billings Aerotronics did the work, they signed it off as a logbook entry. This system reports to Garmin Our senders are TSO'd and I didn't include the STC yet - (which your aircraft is on) as it isn't quite signed - I need to get an...

Actually no - that is not true "tens of thousands of aircraft" - where is your proof other than making a bold statement This becomes circular reasoning - "if only nuts, bad pilots run out of fuel in aircraft" then it isn't an equipment issue and there would be no difference in two very...

All of this machinations and justifications are to overcome what is a very simple instrument - First you have to have a instrument you trust OF the now 2100 aircraft outfitted with digital fuel quantity, that is most new delivered aircraft, i.e. Reliable and accurate fuel level indication...

Spacecraft have to deal with balls of fuel floating in space - so ullage takes on a 3 dimensional form It is my business - so ullage is a next to everyday utilized term