280 likes | 1.05k Views
BEARING. Prepared by Selçuk NAS. This presentation is required office XP. DEFINITION OF BEARING. The horizontal direction of one terrestrial point from another , expressed as the angular distance from a reference direction Sometimes Bearing and Azimuth are used in the same meaning.
E N D
BEARING Prepared by Selçuk NAS This presentation is required office XP
DEFINITION OF BEARING The horizontal direction of one terrestrial point from another , expressed as the angular distance from a reference direction Sometimes Bearing and Azimuth are used in the same meaning A BEARING ACCORDING TO REFERENCE Compass Bearing Magnetic Compass Bearing Magnetic Bearing True Bearing Gyro Bearing Relative Bearing
Compass Radar Gyro Repeater Pelorus Telescopic Alidade Azimuth Circle BEARING-TAKING DEVICES
Pn Fore and Aft Line
Mn Cn Pn Tn True Bearing, Tbe : 1510 Magnetic Bearing, Mbe : 1390 Compass Bearing, Cbe : 1440 TAKE A BEARING WITH COMPASS COMPASS BEARING DEVIATION MAGNETIC BEARING VARIATION TRUE BEARING
COMPASS BEARING DEVIATION MAGNETIC BEARING VARIATION TRUE BEARING Cn Mn Tn Compass Error : 70 E Variation : 120 E Deviation : 50 W Magnetic Bearing, Mbe : 1390 Compass Bearing, Cbe : 1440 True Bearing, Tbe : 1510
Gn Pn Tn True Bearing, Tbe : 1510 Gyro Bearing, Gbe : 1560 TAKE A BEARING WITH GYRO COMPASS GYRO BEARING GYRO ERROR TRUE BEARING
Tn Gn GYRO BEARING GYRO ERROR TRUE BEARING Gyro Error : 50 W Gyro Bearing, Gbe : 1560 True Bearing, Tbe : 1510
0000 - 3600 R be : 2130 R be : Port 1470 0000 – 1800 STARBOARD 0000 – 1800 PORT R E L A T I V E B E A R I N G REFERENCE FOR RELATIVE BEARING FORE AND AFT LINE T co : 0900 FORE AND AFT LINE REFERENCE FOR RELATIVE BEARING T co : 0900
0000 - 3600 0000 – 1800 STARBOARD 0000 – 1800 PORT R E L A T I V E B E A R I N G REFERENCE FOR RELATIVE BEARING T co : 0550 T co : 1100 REFERENCE FOR RELATIVE BEARING
Pn T co : 0890 T co : 0580 R be 1340 R be 1650 T be : 2230 CONVERT THE RELATIVE BEARING TO THE TRUE BEARING R be + T co T be =
R A D A R B E A R I N G EBL EBL HU NU
Pn 1204 Tbe 0430 Tbe 1310 0430 1204 1310 1204 A fix bytwo bearings on different objects at the same time
A : Bearing Circle B : Compass Card C : Gyro Repeater
THIS PRESENTATION WAS PREPARED BY SELÇUK NAS www.nasmaritime.com E MAIL : nas@nasmaritime.com Mobile Phone : 0 532 331 51 31 Phone : 0 90 232 278 22 30 Adress : Dokuz Eylul Universitesi, Deniz İsletmeciligi ve Yonetimi Yuksekokulu, Kaynaklar Yerleskesi, Buca, Izmir, TURKEY