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--- a/pub/dissertation/chapters/background.tex
+++ b/pub/dissertation/chapters/background.tex
@@ -15,7 +15,13 @@
 
 
 \section{Safety}
-
+\begin{itemize}
+  \item 70-80\% of aviation accidents are attributed to human factors~\cite{faa-reasons}
+  \item Checklists have been shown to aid in minimising human errors~\cite{manifesto}
+  \item However, checklists can be misleading and compromise the safety of the aircraft
+    due to them being either too confusing or taking too long to complete~\cite{nasa-design}
+  \item That is why testing checklists are important to avoid these situations
+\end{itemize}
 
 \section{Solution Stack}
 \begin{itemize}
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--- a/pub/dissertation/references.bib
+++ b/pub/dissertation/references.bib
@@ -75,6 +75,17 @@
   url = {https://www.caa.co.uk/cap745},
 }
 
+@techreport{faa-reasons,
+  author = {Knecht, William R. and Lenz, Michael},
+  title = {Causes of General Aviation Weather-Related, Non-Fatal Incidents:
+           Analysis Using NASA Aviation Safety Reporting System Data},
+  institution = {FAA Office of Aerospace Medicine Civil Aerospace Medical
+                 Institute},
+  number = {DOT/FAA/AM-10/13},
+  year = {2010},
+  month = {09},
+}
+
 @online{vdm,
   author = {The Overture Project},
   title = {The Vienna Development Method},