Data Latency
Dave Jesse on December 5, 2012

One important characteristic of flight data is that, as we discussed previously, the parameters are sampled different rates and there may be different latency (the time from the measurement being taken

Adding Two Parameters
Dave Jesse on November 28, 2012

So here is a complete blog just on the topic of how to add two parameters together. You will remember from infant school that one apple plus one apple equals two apples, well in FlightDataLand things get

Caring For All Passengers
Dave Jesse on November 21, 2012

Today (or rather this evening as it is 18:30 now), you find me in the Heathrow terminal lounge waiting to catch a flight to the International Aviation Safety Seminar in Santiago. To my right sit Ann, Belle

Measuring Aircraft Height (continued)
Dave Jesse on November 15, 2012

Last time, I spoke about the ways of measuring the altitude of an aircraft, as the most important thing we need to know is the altitude above the local airfield or Altitude Above Airfield Level (AAL),

Measuring Aircraft Height
Dave Jesse on November 7, 2012

So you’d like to know how high an aircraft flies. After all, this must be the most basic measurement we can have. In this blog we’ll look at how aircraft measure height, and then see where problems arise.

Open Source
Admin FDS on November 1, 2012

Let me tell you a story. Once upon a time I was sitting in a meeting in Washington at the offices of the Flight Safety Foundation (FSF). Around the table were the main suppliers of flight data analysis

Dave Jesse on October 24, 2012

Before our slight air crash deviation in the last post, we were talking about what exactly Flight Data Software does. Today, we’re going to have a chat about how FDS’s particular Flight Data Software was

The Plane Crash
Dave Jesse on October 17, 2012

Have you ever wondered what it would be like to be in a plane crash? It’s a morbid and frightening thought – but one that we can’t help considering at times. On Thursday 11 October, Channel 4 in the UK

Understanding flight data
Dave Jesse on October 12, 2012

Why does flight data use 12-bit format? Last time you were here, we chatted about The Black Box, what it is and where it came from. Now it’s time to look at how it has developed. When the interface

The Black Box
Dave Jesse on October 3, 2012

We’ve all heard of the Black Box on board aircrafts, and that is our bread and butter. This is where all the flight data is recorded. So how did the Black Box come about A little-known Australian has