Mission Number 311
5/6 August 1945
Rashin, Geijitsu, Sakai, Yonago, Naka Umi, Miyazu, Maizuru, Tsuruga,
Number A/C Airborne:
% A/C Bombing Primary:
90% (27 Primary and 1 Alternate)
Type of Mines and Settings:
1000 and 2000# mines with various settings.
Tons of Mines Dropped:
175.5 tons on Primary and 6 tons on Alternate.
Time Over Primary:
052332K - 060232K
Altitude of Attack:
7,500 - 8,600
Weather Over Target:
Total A/C Lost:
Resume of Mission:
Of the 253 mines dropped in the
Target areas, it was
believed 251 were effective.
Two A/C were non-effective.
One A/C dropped mines visually.
AA medium, accurate and intense at Rashin and moderate and
inaccurate to accurate at Tokuyama.
Twenty to 25 A/L's were observed.
Ten E/A sighted made 1 attack.
Eleven A/C landed at
Iwo Jima. Average mine
load: 13,064 lbs. Average fuel reserve: 605 gallons.