219M%201004

1
Art Mollica, St Paul Power Sail Squadron
17. You arrive at GPS fix at 0943 and change
course to 123oM towards RBVS1 Qk Fl WHITSTLE
southwest of Cuttyhunk Island. Maintain speed of
7.0kn.
Cursor L 41o22.2N Lo 71o08.1W
2.4nm
096R
At 1004 you notice a large blip on the radar
screen. You set the cursor on the blip to monitor
it.
a.) What is the distance and relative bearing to
the cursor?
C 123M S 7.0
0943
0943 C T 108 V 15W M 123 D 1W C 124
1004
1004DR SxT/60 7x21/60 D2.45
1004Brg 096R123M219M
219M 1004
RB VS I Qk Fl WHISTLE
1004 Radar Target
X
2
17. You arrive at GPS fix at 0943 and change
course to 123oM towards RBVS1 Qk Fl WHITSTLE
southwest of Cuttyhunk Island. Maintain speed of
7.0kn.
2.4nm
096R
b.) At 1014 the large blip on the radar screen
has become closer, 1.5nm and 112o relative.
c.) What course does the object appear to be on?
C 123M S 7.0
0943
0943 C T 108 V 15W M 123 D 1W C 124
1014Brg 112R123M235M
1004DR SxT/60 7x21/60 D2.45
1004
1014
1014DR SxT/60 7x10/60 D1.16
1004Brg 096123219M-15204T
235M 1014
078M
219M 1004
X
RB VS I Qk Fl WHISTLE
RADAR D 1.5
X
3
17. You arrive at GPS fix at 0943 and change
course to 123oM towards RBVS1 Qk Fl WHITSTLE
southwest of Cuttyhunk Island. Maintain speed of
7.0kn.
18. At the same time, 1024, you observe two blips
on your radar screen. One is 1.3nm away at 330oR,
the other 2.8nm away dead ahead at 000oR. The
objects propably are?
DEST CIRB H-UP R 5.0nm
SPEED
7.00nm
DIST TO NEXT
CIRB
2.78nm
POSITION
N 41o24.50
BUZZ
W 071o03.80
2.4nm
096R
120
13
TIME TO DIST
002356
c.) What course does the object appear to be on?
d.) At 1024 your GPS position is L 41o23.5N Lo
71o03.8W. Blip is 1.0nm at 153oR.
C 123M S 7.0
0943
0943 C T 108 V 15W M 123 D 1W C 124
1014Brg 112123235M-15220T
1004DR SxT/60 7x21/60 D2.45
1004
1014
1024Brg 153R123M278M
1014DR SxT/60 7x10/60 D1.16
235M 1014
1004Brg 096123219M-15204T
X
219M 1004
078M
RADAR 278M D 1.0
X
RB VS I Qk Fl WHISTLE
RADAR D 1.5
X