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International Principal Warfare Officer (B) (IPWO(B))
Online courses / warfare officer

International Principal Warfare Officer (B)

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Key information


To train selected Officers in the tactical handling of warships, up to Corvette size, and the integrated use of associated weapon systems and sensors. The course is designed to enable successful students to act as watchkeeping Warfare Officers able to deal with threats from the AAW and SuW environments. It also includes training in the conduct of Medium Range Gunnery in support of SuW Operations. Students will also be trained in Task-Group level mission planning procedures.

Course details

  • Principles of Radar & Action Information Organisation
  • Communications and EW
  • Command & Control, Duties & Responsibilites
  • Rules of Engagement and International Maritime Law
  • Anti-Air Warfare and Anti-Ship Missile Defence
  • Anti-Surface Warfare
  • Introduction to Anti-Submarine and Mine Warfare (2.5 days theory)
  • Introductions to Air Operations, including Search and Rescue
  • Medium and Close Range Gunnery, including practical drills
  • Explosives Safety
  • Mission planning and in-depth Maritime Tactical Estimate training as part of a dedicated planning syndicate
  • Board and Search training
  • Close Range Gunnery live firings at sea in an RN Patrol or Mine Warfare vessel 5 weeks of practical simulator training culminating in assessed dual-threat scenarios prior to qualification


  • Rank of Lieutenant with at least 5 years seagoing Bridge Watchkeeping experience, of which at least 2 should have been as a Lieutenant.
  • A minimum 2000 hours of certified Bridge Watchkeeping experience.
  • Must have attended the RN’s ILT course or equivalent
  • Eyesight standards are detailed at the front of the chapter

Qualifications gained

  • Written final exam and assessed maritime Tactical Estimate planning syndicate presentation
  • Practical assessment during sea and simulator training

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