There has been an increasing frequency of failures due to defective software that cost
millions of dollars. Recent high profile incidents have drawn increased attention to the risks …

Areas crucial to life such as medicine, transportation, nuclear-energy research and industry,
aeronautics, and others, all make use of software in one way or another. However, the …

The first and most important step in solving any problem is understanding the problem well
enough to create effective solutions. To this end, several software-related spacecraft …

I began my adventure in system safety after completing graduate studies in computer
science and joining the faculty of a computer science department. In the first week at my new …

Tvaryanas AP, Thompson WT, Constable SH. Human factors in remotely piloted aircraft
operations: HFACS analysis of 221 mishaps over 10 years. Aviat Space Environ Med 2006; …

I began my adventure in system safety after completing graduate studies in computer
science and joining the faculty of a computer science department. In the first week at my new …

For the period FY95-FY03, each Unmanned Aerial Vehicle UAV accident was reviewed and
classified by a series of characteristics using two approaches. The first was a variant on a …

Pressures and incentives to operate complex socio-technical aerospace systems in a high-
risk state are ever present. Without consideration of the role humans and organizations play …

There has been a rapid increase in the complexity and integration of many safety-critical
systems. In consequence, it is becoming increasingly difficult to identify the causes of …

Recent decades bear testimony to how we have gone from merely using software, to relying
on it, and ultimately becoming dependent on it, for our day to day lives. Software is also …