When.com Web Search

  1. Ad

    related to: spiderweb net 14.347 1

Search results

  1. Results From The WOW.Com Content Network
  2. April 1917 - Wikipedia

    en.wikipedia.org/wiki/April_1917

    Royal Naval Air Service flying boats began flying "spider web" patrols over the North Sea to detect German submarines in the area. The new patrol pattern, resembling a spider web, allowed four aircraft to search a 4,000-square-mile (10,000-square-kilometer) area in about five hours, only half the time it took a surfaced submarine to transit the ...