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Post a reply to: PT-109 information
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[StartQuote] Allan, thanks for sharing your research. Those three lights would make the boat visibly lit all the way around. One interesting bit is that the navigation light switch on the bridge control panel was a dimmer switch. The mast light was also known as the anchor light which seems to provide a clue into how it was used. It would be a good overall light while anchored / docked in a secure area. It doesn't make sense to use it during any night operation since it probably killed night vision beyond its limited lighting range. The same maybe with the bow light. All this is guesswork of course, I hope you dig up more reports that explain official light doctrine Allan. I agree Charlie. Any lights on at night would be highly visible and make this unlikely: [url]http://www.hnsa.org/doc/pt/doctrine/part1.htm#pg11[/url] [green]CHAPTER 4. ATTACK DOCTRINE[/green] [green]Night and Low Visibility Torpedo Attacks[/green] [green]1401. The effectiveness of an attack under these conditions depends primarily on approaching the enemy to close ranges undetected, where a reasonably accurate estimate may be made of his rate and direction of movement.[/green] I hope some veterans can (cough)shed some light(cough) on us regarding use of the various lights. It's one thing to know official doctrine, and another to know if experience taught you guys another way. [EndQuote]
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