Dead-Reckoning and
Piloting problem           Leg 16  073096   Test your knowledge!
------------------         ------  ------   --------------------

We want to arrive at Valletta Harbor(35d 54.3N  14d 31.8E) no earlier than
one hour after Sunrise. This will gives us an easy approach and we can arrive
during normal work hours.

1)  What is the Local Mean Time of Sunrise(SR) on 16/05/96 at
      Valletta Harbor?
      What is the GMT of SR?
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2)  From a position of(36d 05.0'N  14d 15.2'E) at 03-30-00 GMT What is
    our ETA at Valletta Harbor at a speed of 7.8 Kts, to the whole minute?    
--  ----------------------------------------------------------------------

As we cruise by the north shore of Gozo Is. we take a Vertical Sextant angle
of 35.0' on a headland marked at a height of 76 meters on the chart.

3)  What is the Distance Off?
--  -------------------------

|On 15/06/96 @ 05-06-30 we take a Hand Compass bearing of 222d to a tower
|(35d 55.9'N  14d 28.7'E) and a 182d to a church(35d 55.3'N  14d 29.4'E).
Var 1d W dev 3d E.


4)  What is the position?
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5)  For maximum accuracy for question 4) what would be the
    ideal procedure?
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6)  Based on the answer to Question 4), what is the ETA(GMT) for
    our arrival at Valletta Harbor?
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On 13/05/96 @ 2400 we had 40 gal of water left. Consumption is 1.5
gal per person daily. Assuming this date is 16/05/96 @ 05-00-00. 

7)  To the nearest gallon how much water is left at 05-00-00?
    How much water is there for each crew member?
    Can we shower before our arrival?
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8)  On our arrival at Valletta Harbor, what is the traditional
    tie up method at Mediterranean ports?
--  ----------------------------------------------------------

Note:
Lat & Lo = XXd XX.X', Date=DD/MM/YY, HE 8 Feet, Index correction -.2', Time
hh-mm-ss in UTC/GMT. Silicon Sea is a medium displacement sailing vessel, 40
Feet LOA. 38 Feet LWL; Cutter rigged, carrying a crew of 6. Looks a lot like a Mason. Can tack to
45d. Dist to Horizon: Nmi = SQRT HE@mtrs x 2.07; Nmi = SQRT HE@ft x 1.17.

PLEASE respond with your results and thinking on these exercises to the
NAVIGATION list at large. If you have questions or problems, A lot of folks
on the list are knowledgeable and willing to help. Any questions or doubtful
areas will be responded to promptly. Let us hear from you soon!

Good Navigating!

   -=The Navgation List Working Group=-

        Peter Smith  - psmith@wellspring.us.dg.com
        Ron Legere   - ronald.legere@yale.edu
        Tony Severdia- anthonys@ix.netcom.com
        Dan Hogan    - dhhogan@lightside.com
        Wes Murfin   - cn1907@coastalnet.com (Charts)

  *****************************ANSWERS************************************
