\begin{tikzpicture}           
% Grid
\draw [rounded corners,menublue,fill=gray99, ultra thin]
(0,3) -- (0,0) -- (7,0) -- (7,6) -- (0,6) -- (0,3);
\draw [color=gray95, thin] (3.5,0) -- (3.5,6);
\draw [color=gray95, thin] (3.90766,0) -- (3.90766,6);
\draw [color=gray95, thin] (4.31532,0) -- (4.31532,6);
\draw [color=gray95, thin] (4.72299,0) -- (4.72299,6);
\draw [color=gray95, thin] (5.13065,0) -- (5.13065,6);
\draw [color=gray95, thin] (5.53831,0) -- (5.53831,6);
\draw [color=gray95, thin] (5.94597,0) -- (5.94597,6);
\draw [color=gray95, thin] (6.35363,0) -- (6.35363,6);
\draw [color=gray95, thin] (6.76129,0) -- (6.76129,6);
\draw [color=gray95, thin] (3.09234,0) -- (3.09234,6);
\draw [color=gray95, thin] (2.68468,0) -- (2.68468,6);
\draw [color=gray95, thin] (2.27701,0) -- (2.27701,6);
\draw [color=gray95, thin] (1.86935,0) -- (1.86935,6);
\draw [color=gray95, thin] (1.46169,0) -- (1.46169,6);
\draw [color=gray95, thin] (1.05403,0) -- (1.05403,6);
\draw [color=gray95, thin] (0.646368,0) -- (0.646368,6);
\draw [color=gray95, thin] (0.238706,0) -- (0.238706,6);
\draw [color=gray95, thin] (0,3) -- (7,3);
\draw [color=gray95, thin] (0,3.40766) -- (7,3.40766);
\draw [color=gray95, thin] (0,3.81532) -- (7,3.81532);
\draw [color=gray95, thin] (0,4.22299) -- (7,4.22299);
\draw [color=gray95, thin] (0,4.63065) -- (7,4.63065);
\draw [color=gray95, thin] (0,5.03831) -- (7,5.03831);
\draw [color=gray95, thin] (0,5.44597) -- (7,5.44597);
\draw [color=gray95, thin] (0,5.85363) -- (7,5.85363);
\draw [color=gray95, thin] (0,2.59234) -- (7,2.59234);
\draw [color=gray95, thin] (0,2.18468) -- (7,2.18468);
\draw [color=gray95, thin] (0,1.77701) -- (7,1.77701);
\draw [color=gray95, thin] (0,1.36935) -- (7,1.36935);
\draw [color=gray95, thin] (0,0.961691) -- (7,0.961691);
\draw [color=gray95, thin] (0,0.55403) -- (7,0.55403);
\draw [color=gray95, thin] (0,0.146368) -- (7,0.146368);
% Grid
\draw [rounded corners,menublue, ultra thin]
(0,3) -- (0,0) -- (7,0) -- (7,6) -- (0,6) -- (0,3);

% Draw Circle: ownship:range
\draw [color=darkblue, very thin] 
(3.5,3.14637) circle (2.03831cm);

% Draw Wedge: ownship:twedge
\draw [color=black,fill=gray95, very thin] 
(3.5,3.14637) -- (1.61685,2.36634) arc (202.5:337.5:2.03831) -- (3.5,3.14637) arc (337.5:202.5:0) -- cycle;
% Draw Wedge: ownship:plus_67
\draw [color=gray60, very thin] 
(3.5,1.51572) -- (3.5,1.51572) arc (270:337.5:1.63065) -- (5.00652,2.52235) arc (337.5:270:1.63065) -- cycle;
% Draw Wedge: ownship:minus_67
\draw [color=gray60, very thin] 
(2.21946,2.61595) -- (2.21946,2.61595) arc (202.5:270:1.38605) -- (3.5,1.76032) arc (270:202.5:1.38605) -- cycle;
% Text Label
\draw [color=black] (2.19548,0.944994) node {\scriptsize
contact
};

% Text Label
\draw [color=black] (4.23379,3.30943) node {\scriptsize
ownship
};

% Text Label
\draw [color=black] (4.07073,1.92338) node {\tiny
$67.5^{\circ}$
};

% Text Label
\draw [color=black] (2.76621,1.67879) node {\tiny
$67.5^{\circ}$
};

% Ship drawing: inside triangle
\draw [color=gray90, fill=gray90, ultra thin] 
(3.44468,2.94254) -- (3.5,3.3502) -- (3.55532,2.94254);
% Ship drawing: left side of bow 
\draw [color=black,fill=gray90, ultra thin] 
(3.44468,2.94254) .. controls (3.39808,3.19733) .. (3.5,3.3502);
% Ship drawing: right side of bow 
\draw [color=black,fill=gray90, ultra thin] 
(3.55532,2.94254) .. controls (3.60192,3.19733) .. (3.5,3.3502);
% Ship drawing: stern line 
\draw [color=black, ultra thin] 
(3.44468,2.94254) -- (3.55532,2.94254);
% Ship drawing: inside triangle
\draw [color=white, fill=white, ultra thin] 
(2.92859,0.815323) -- (2.87652,1.22341) -- (3.03546,0.843959);
% Ship drawing: left side of bow 
\draw [color=black,fill=white, ultra thin] 
(2.92859,0.815323) .. controls (2.81315,1.04817) .. (2.87652,1.22341);
% Ship drawing: right side of bow 
\draw [color=black,fill=white, ultra thin] 
(3.03546,0.843959) .. controls (3.01902,1.10333) .. (2.87652,1.22341);
% Ship drawing: stern line 
\draw [color=black, ultra thin] 
(2.92859,0.815323) -- (3.03546,0.843959);
% Draw Point: contact:ship_ctr_cn
\draw [color=black,fill=black, thin] 
(2.92927,1.02653) circle (0.02cm);
% Draw Point: ownship:ship_ctr_os
\draw [color=black,fill=black, thin] 
(3.5,3.14637) circle (0.02cm);
% Draw Line: ownship:os_north_line
\draw [color=gray25, ->, thin] 
(3.5,3.14637) -- (3.5,4.36935);
% Draw Line: ownship:os_south_line
\draw [color=gray25, dotted, thin] 
(3.5,3.14637) -- (3.5,1.10806);
\end{tikzpicture}  
