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‫מבחן‬1‫שאלה‬2
‫בשעה‬01:00‫כזיב‬ ‫נחל‬ ‫בשפך‬ ‫הצפוני‬ ‫לאי‬ ‫מצפן‬ ‫תכווין‬ ‫נלקח‬(33002.7’N 035005.2’E.)‫והיה‬
CB=900.‫ה‬-CC=2110.‫הספינה‬ ‫מהירות‬3‫קשרים‬.‫בשעה‬02:00‫אי‬ ‫לאותו‬ ‫נוסף‬ ‫מצפן‬ ‫תכווין‬ ‫נלקח‬
‫והיה‬0700CB=
‫א‬.‫המצפן‬ ‫שגיאת‬ ‫את‬ ‫חשב‬
‫ב‬.‫בשעה‬ ‫הספינה‬ ‫מיקום‬ ‫את‬01:00‫ובשעה‬02:00
‫השאלה‬ ‫מהות‬:
•‫מפה‬:‫תיכון‬ ‫ים‬‫ישראל‬
•‫מצפן‬:‫עליון‬
•‫טבלת‬‫דוויאציה‬:‫תקפה‬
‫תכוונים‬ ‫הרצת‬
‫חישוב‬Var:
‫המפה‬ ‫שנת‬2006:Var=4007’E.‫שינוי‬‫שנתי‬4’E
‫ההפלגה‬ ‫שנת‬2014==>8‫שנים‬.‫שינוי‬4’E x 5 = 32’E
Var = 4039’E=>4.650E
‫נ‬.‫ח‬.‫מש‬.‫ינואר‬15
‫מבחן‬1‫שאלה‬2
1
‫חישוב‬Dev‫ל‬CC=2110
CCDiv
21040W
211D
24070W
‫טבלת‬ ‫מתוך‬‫הדוויאציה‬:
1211 - 210B - A
30240 - 210C - A
0.03=D + 4D - (-4)B - A
-3-7 - (-4)C - A
W0
4.10=-4.10=-3 * 0.033 - 4=D
=
= = 0.03=
=
E+ W-
‫מבחן‬1‫שאלה‬2
‫א‬ ‫סעיף‬':‫המצפן‬ ‫שגיאת‬ ‫חישוב‬
‫הווריאציה‬ ‫של‬ ‫הסיכום‬ ‫היא‬ ‫המצפן‬ ‫שגיאת‬‫והדוויאציה‬.
‫קודם‬ ‫חישבנו‬ ‫הווריאציה‬ ‫את‬Var = 4.650E
‫ה‬ ‫את‬ ‫נחשב‬DEV‫לקורס‬‫המצפני‬CC=2110
A
C
B
‫של‬ ‫הסכום‬ ‫היא‬ ‫המצפן‬ ‫שגיאת‬V+D
‫היא‬ ‫המצפן‬ ‫שגיאת‬:0.550E  10ECE =
CE = Var + Dev = 4.65 – 4.1 = 0.55
‫לסעיף‬ ‫פתרון‬
‫א‬'.
2
CCCETC
+W > < -W- E > < +E
21102120
‫ה‬ ‫חישוב‬TC
CC = 2110‫נתון‬
‫מבחן‬1‫שאלה‬2
TC = 2120
CE = 10E‫קודם‬ ‫חישבנו‬
10E
‫ב‬ ‫סעיף‬':‫בשעה‬ ‫הספינה‬ ‫מיקום‬01:00‫ובשעה‬02:00
‫בהרצת‬ ‫נעזר‬ ‫הספינה‬ ‫מיקום‬ ‫את‬ ‫למצוא‬ ‫כדי‬‫תכווינים‬.
•‫שונים‬ ‫בזמנים‬ ‫שנלקחו‬ ‫תכוונים‬ ‫שני‬ ‫נתונים‬
•‫הספינה‬ ‫של‬ ‫ההפלגה‬ ‫כיוון‬ ‫נתון‬
•‫ההפלגה‬ ‫ומהירות‬ ‫ההפלגה‬ ‫משך‬ ‫נתון‬,‫ההפלגה‬ ‫מסלול‬ ‫אורך‬ ‫את‬ ‫לחשב‬ ‫שנוכל‬ ‫כך‬
‫ואת‬ ‫ההפלגה‬ ‫כיוון‬ ‫את‬ ‫נתקן‬ ‫תחילה‬‫שני‬‫התכווינים‬‫ע‬"‫המצפן‬ ‫שגיאת‬ ‫פ‬
‫אח‬"‫את‬ ‫נסמן‬ ‫כ‬‫התכווינים‬‫במפה‬ ‫ההפלגה‬ ‫ומסלול‬
3
CBCETB
+W -W- E > < +E
10E0910
0710
‫תיקון‬‫התכווינים‬‫המצפניים‬
‫מבחן‬1‫שאלה‬2
0900
070010E
TB1 = 0910
TB2 = 0710
CE = 10E(‫חישבנו‬‫קודם‬)
CB1 = 0900‫נתון‬
CB2 = 0700‫נתון‬
4
‫נתון‬:
‫ההפלגה‬ ‫משך‬:‫מ‬01:00‫עד‬02:00=1‫שעה‬
‫ההפלגה‬ ‫מהירות‬:3Kn
‫ההפלגה‬ ‫מרחק‬:3 x 1 = 3NM
‫מבחן‬1‫שאלה‬2
‫מדידות‬ ‫שתי‬ ‫בין‬ ‫ההפלגה‬ ‫מרחק‬ ‫חישוב‬‫התכווינים‬
5
‫לשני‬ ‫הייחוס‬ ‫נקודת‬ ‫את‬ ‫במפה‬ ‫נסמן‬‫התכווינים‬
‫כזיב‬ ‫נחל‬ ‫בשפך‬ ‫הצפוני‬ ‫האי‬
33002.7’N
035005.2’E
‫מבחן‬1‫שאלה‬2
6
‫את‬ ‫נסמן‬‫התכווין‬‫הראשון‬
TB1=0910
01:00
0910
‫מבחן‬1‫שאלה‬2
7
‫את‬ ‫נסמן‬‫התכווין‬‫השני‬
TB2=0710
0910
01:00
0710
‫מבחן‬1‫שאלה‬2
8
‫ההפלגה‬ ‫וטווח‬ ‫כיוון‬ ‫את‬ ‫נסמן‬(TC=2120, 3NM)
‫הייחוס‬ ‫מנקודת‬-‫כזיב‬ ‫נחל‬ ‫בשפך‬ ‫האי‬
0910
01:00
2120
3NM
3NM
‫מבחן‬1‫שאלה‬2
9
‫נריץ‬‫תכווינים‬=‫מקביל‬ ‫נעביר‬‫לתכווין‬‫הראשון‬
‫של‬ ‫המקטע‬ ‫מקצה‬3NM
0910
0910
01:00
‫מבחן‬1‫שאלה‬2
3NM
10
0910
01:00
‫עם‬ ‫המקביל‬ ‫הקו‬ ‫של‬ ‫המפגש‬‫התכווין‬‫בשעה‬ ‫הספינה‬ ‫מיקום‬ ‫הוא‬ ‫השני‬02:00
‫ב‬ ‫הספינה‬ ‫מיקום‬ ‫את‬ ‫נסמן‬02:00
0910
02:00
‫מבחן‬1‫שאלה‬2
3NM
11
0910
01:00
‫ב‬ ‫הספינה‬ ‫מיקום‬ ‫את‬ ‫נסמן‬01:00
‫ע‬"‫היעד‬ ‫מנקודת‬ ‫החל‬ ‫ההפלגה‬ ‫לנתיב‬ ‫מקביל‬ ‫העברת‬ ‫י‬
0910
02:00
01:00
‫מבחן‬1‫שאלה‬2
3NM
12
0910
01:00
0910
02:00
01:00
‫מבחן‬1‫שאלה‬2
3NM
034056.8’E 034058.6’E
33002.6’N33000.2’N
‫המיקומים‬ ‫את‬ ‫נרשום‬
‫ב‬ ‫לסעיף‬ ‫כתשובה‬'.
13
‫תשובה‬
‫מבחן‬1‫שאלה‬2
‫חישוב‬Var:Var = 4.65E
‫חישוב‬Dev:CC = 211, Dev = 4.10W
‫א‬ ‫סעיף‬.‫המצפן‬ ‫שגיאת‬:CE = Var + Dev = 4.650E + 4.10W = 0.65  10E
‫ב‬ ‫סעיף‬.‫בשעה‬ ‫ספינה‬ ‫מיקום‬01:00Lat 33002.6’N Long 034058.6’E
‫ב‬ ‫סעיף‬.‫בשעה‬ ‫ספינה‬ ‫מיקום‬02:00Lat 33000.2’N Long 034056.8’E
14

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01 מבחן 1_שאלה_02 (1)