\usetikzlibrary{snakes}
	\begin{figure}
		\centering
		\begin{tikzpicture}
		\node [aircraft side,fill=blue,minimum width=1cm,rotate=15] at (0,0) {};
		\node [aircraft side,fill=red,minimum width=1cm,xscale=-1] at (4.7,1) {}; 
		
		\draw[dashed] (0.5,0) -- (4.5,0);
		\draw[dashed] (4.2,-0.2) -- (4.2,1.2);
		\draw[snake=brace,raise snake=3pt,mirror snake, gap around snake=0.4mm,segment aspect=0.5] (0.5,0) -- (4.2,0)node [midway,yshift=-10pt] {$t$};
		\draw[snake=brace,raise snake=3pt, gap around snake=0.4mm, mirror snake] (4.2,0) -- (4.2,1)node [midway,xshift=11pt] {$h$};
		
		\draw[-stealth] (-1.1,-0.3) to node[left]{$\dot{h}_{\textup{own}}$} (-1.1,0.3);
		\draw[-stealth] (5.7,0.7) to node[right]{$\dot{h}_{\textup{int}}$} (5.7,1.3);
		
		\node at (0,0.5) {$(tr_{\textup{own}},ad_{\textup{own}})$};
		\node at (4.7,1.5) {$(tr_{\textup{int}},ad_{\textup{int}})$};
		\end{tikzpicture}
		\caption{Geometry for the VCAS[2] example with trust level $tr_{\textup{i}}$ and advisory $ad_{\textup{i}}$, for $i\in \{\textup{own}, \textup{int} \}$.}
		\label{fig:vcas-geometry}
	\end{figure}
	
% 	\begin{figure}
% 		\centering
% 		\begin{tikzpicture}
% 		\node [aircraft top,fill=black,minimum width=1cm] at (0,0) {};
% 		\node [aircraft top,fill=black,minimum width=1cm,xscale=-1] at (5,1) {}; 
% 		\end{tikzpicture}
% 		\caption{Aircraft top.}
% 	\end{figure}

% 	\begin{figure}
% 		\centering
% 		\begin{tikzpicture}
% 		\node [quadcopter side,fill=white,draw=black,minimum width=1cm] at (0,0) {};
% 		\node [quadcopter side,fill=white,draw=black,minimum width=1cm,rotate=20] at (5,1) {}; 
% 		\end{tikzpicture}
% 		\caption{Quadcopter side.}
% 	\end{figure}

% 	\begin{figure}
% 		\centering
% 		\begin{tikzpicture}
% 		\node [quadcopter top,fill=white,draw=black,minimum width=1cm,scale=0.5] at (0,0) {};
% 		\node [quadcopter top,fill=white,draw=black,minimum width=1cm,rotate=20,scale=0.5] at (5,1) {}; 
% 		\end{tikzpicture}
% 		\caption{Quadcopter top.}
% 	\end{figure}

% 	\begin{figure}
% 		\centering
% 		\begin{tikzpicture}
% 		\node [helicopter side,fill=black,draw=black,minimum width=1cm,scale=0.4] at (0,0) {};
% 		\node [helicopter side,fill=black,draw=black,minimum width=1cm,rotate=20,scale=0.4,xscale=-1] at (5,1) {}; 
% 		\end{tikzpicture}
% 		\caption{Helicopter side.}
% 	\end{figure}

% 	\begin{figure}
% 		\centering
% 		\begin{tikzpicture}
% 		\node [helicopter top,fill=black,draw=black,minimum width=1cm,scale=0.6] at (0,0) {};
% 		\node [helicopter top,fill=black,draw=black,minimum width=1cm,rotate=20,scale=0.6] at (5,1) {}; 
% 		\end{tikzpicture}
% 		\caption{Helicopter top.}
% 	\end{figure}

% 	\begin{figure}
% 		\centering
% 		\begin{tikzpicture}
% 		\node [UAM side,fill=white,draw=black,minimum width=2cm] at (0,0) {};
% 		\node [UAM side,fill=white,draw=black,minimum width=2cm,rotate=20,xscale=-1] at (5,1) {}; 
% 		\end{tikzpicture}
% 		\caption{Urban Air Mobility Vehicle side.}
% 	\end{figure}

% 	\begin{figure}
% 		\centering
% 		\begin{tikzpicture}
% 		\node [UAM top,fill=black,draw=black,minimum width=1cm,scale=0.5] at (0,0) {};
% 		\node [UAM top,fill=black,draw=black,minimum width=1cm,rotate=20,scale=0.5] at (5,1) {}; 
% 		\end{tikzpicture}
% 		\caption{Urban Air Mobility Vehicle top.}
% 	\end{figure}