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Flight Data Community
What if we could all share flight data?
Presenting The
POLARIS Suite
The innovative software that leads the way to higher standards in flight safety
Our Mission for Aviation Safety
Flight Data Services believe we could all have safer air travel if the aviation industry had a common platform to share flight data. That's why we share our software. Flight Data Services have a policy to place key elements of their flight data analysis processes into the public domain in an effort to promote flight safety through establishment of a lingua franca. This is seen as a way to cut through arguments like “my data is incompatible with yours” and pave the way to greater cooperation, collaboration and sharing of safety information. We make aviation safety our number one priority.

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RECENT BLOG ENTRIES

What spins our world

FDC
From Autocorrelation to Fourier
on September 12, 2017

Just for fun Here is a little interlude to get back to helicopter accidents – and do some more tricky maths in the process. Autocorrelation Here are two combs from the previous blog, which was about autocorrelation. You will recall that we compared one comb with another to see how good the match was.   […]

FDC
Decoding the Falcon – Part 2 Triple Teasing
on August 17, 2017

Well, I cheated. The autocorrelation plot at the end of the last blog was particularly poor because I included the text header of the file and only processed the first 1000 words. It looked like this: Simply by removing the text header (which is clearly not part of our repeating patterns) the plot improves to […]

FDC
Decoding the Falcon
on August 9, 2017

Decoding the Falcon Occasionally an aircraft operator will send us data that is in a format we have never seen before. The aircraft maintainer has followed the manuals and downloaded a data file and sent this to us and, quite reasonably, he thinks we must be able to read it. He supplies all the information […]

FDC
Under Pressure
on August 1, 2017

  I couldn’t resist the opportunity to quote from Queen and Bowie. Or just show my age as I remember Under Pressure as a new song, not a golden oldie. Actually we’re going to have a quick look at pressure measurements. Like this:     Pressure Units As the gauge above (I cannot bring myself […]

FDC
On Non-ISA Days
on July 13, 2017

Non-Standard Day In my last blog I looked at how the characteristics of the atmosphere are computed from some simple assumptions. Namely that the air is at a high enough pressure to hold up the air above it and that there are simple relationships between the temperature and altitude. Today we are going to look […]

FDC
The International Standard Atmosphere
on June 29, 2017

  For most purposes the properties of the air we fly in are described by the International Standard Atmosphere (ISA). This makes some assumptions about what is a normal day, then computes the air properties at different altitudes. In this blog I am going to give you the fastest explanation of how the ISA works […]

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