Navigation Spring 2008 Naval ROTC Unit The Citadel

Marine Navigation Textbooks/References

Lesson 1: Introduction and Piloting Team AGENDA: –Types of Marine Navigation –The Bridge Watch Team –Members of the Piloting Team –Navigation Department Organization Applicable reading: Hobbs, pp. 3-20

Navigation Defined Navigation –The process of safely and efficiently directing the movements of a vessel from one place to another.

U.S. Ship Casualties USS STARKE FFG-31 USS LIBERTY AGTR-5 USS LIBERTY AGTR5 USS HIGBEE DD-806 USS COLE DDG-67 USS PIRATE AM-275 USS MAGPIE AMS-25 USS PARTRIDGE AMS-31 USS PLEDGE AM-277 USS BRUSH DD-745 USS SARSI ATF-111 USS WALKE DD-723 USS MANSFIELD DD-728 USS BARTON DD-772 USS E.G. SMALL DDR-838 USS WARRINGTON DD-843 USS WESTCHESTER COUNTY LST 1167 USS S. B. ROBERTS FFG-58 USS PRINCETON CG-59 USS TRIPOLI LPH-10 KOREA VIETNAM ISRAEL IRAN IRAQ YEMEN 2000 VARIOUS TERRORIST MISSILE TORPEDO AERIAL ATTACK MINE 972 GROUNDING & COLLISIONS

Photo taken as ship was being drydocked USS RADFORD (DDG 446)

USS LAMOURE COUNTY (LST 1194)

USNS YUKON (T-AO 202) USS DENVER (LPD 9)

USS SAN FRANCISCO (SSN 711)

Types of Navigation Coastal Piloting Dead Reckoning Celestial Navigation Radio Navigation Electronic Navigation

The Bridge Team (Normal, underway watch) Officer of the Deck (OOD) Conning Officer (CONN) Junior Officer of the Deck (JOOD) Quartermaster of the Watch (QMOW) Boatswain’s Mate of the Watch (BMOW) Lookouts Helmsman

Bearing Taker TakerBearingTaker PlotterBearing Recorder Navigator OODConning Officer Bridge CIC Piloting Officer Plotter Chart Table Table Chart Radar Operator CO Bridge (Piloting) Navigator Plotter Brg Recorder Bearing Taker CIC (RadNav) Piloting Officer Radar Operator BRG Recorder Plotter The Piloting Team (Navigation Detail Stationed)

Bearing Taker Taker Bearing PlotterBearing Recorder Navigator OODConning Officer Bridge CIC Piloting Officer Plotter Chart Table Table Chart Radar Operator CO “Based on an excellent fix at time :20, Navigation holds us 100 yards left of track. Nearest hazard to navigation is shoal water 500 yards off the port bow. Nearest aid to navigation is red buoy 8, off the stbd beam. Fathometer reads 45 feet beneath the keel, concurs with charted depth. Distance remaining this leg; 2,500 yards. Next time to turn with be at time :25 to new course 095 ° T. Turn bearing is 272°T to Castle Rock. Navigation recommends coming right to new course 045º to regain track. Set and drift is 090ºT at 1 knot.” “CIC concurs/does not concur.” The Navigator’s Report

Navigator’s Reports Based on an excellent [type of] fix at time :20 Navigation holds us 100 yards left of track. Nearest hazard to navigation is shoal water 500 yards off the port bow. Nearest aid to navigation is red buoy 8, off the stbd beam. Fathometer reads 45 feet beneath the sonar dome, concurs with charted depth. Distance remaining this leg; 2,500 yards. Next time to turn with be at time :25 to new course 095T. Turn bearing is 272° to Castle Rock. Navigation recommends coming right to new course 045º to regain track. Set and drift is 090ºT at 1 knot.” “CIC concurs.”

How do you shoot bearings? On the beam first, then forward and aft. Lines will cross in triangle. Where is the ship’s position?

Cardinal Rule “No single source of information should be relied upon to the exclusion of others”

Fix intervals Water depth constraints Current Bottom contour Weather Navigational hazards Speed Simply put, how quickly you can get into trouble!

Navigation Department Administrative Organization

Navigation Department Operational Organization

Review How are bearing shot (order) Who must acknowledge the Navigator’s report?

QUESTIONS?QUESTIONS?