CTAVATO)
Project 2.64 = Fallout Location and Delineation by Aerial Survey ~
R. Graveson
ORTECTIVES
To survey the gamnz radiation from fallout contaminated ocean
areas using an airborne detector.
To survey the areas of % e sea, off Piking Atoll, which are con+
wT
ws
taminated prior te the shet.
The information
to provide both beck~
round ratiation data, and oceancgrarhic stulice of the
mixing of
the lagoon water inte the open sea.
Three P2V-5 atrorcft were equipped with camma radiation detect
~
vo reeor?l the dose rate arriving through the thin aireraf. skin from a
waver surface helow
.
Cme aireraft was flew over the Pikind Atoll area, and the contavinated area, which was expeate? tc be downwind of the atoll, was to
be delineated,
Surveys were sehriulod for minue three, and minus ixc.
The preeshot surveys were requestel by Program
II on Navaje
—3
ATSTITS
corn.finey- to an area
60 miles ure
19 miles north of cround zore.
area wae delinerte?.
It was
ce
The Deday survey was staried late on the afternoon of D-day.
The ecuthern boundary of the contaminated
The sircraft enersumtere? no airborne ecntaminetion.
The D plus 1 survey utilize? two airercft simultaneously.
a
ountered
Q
eraft contamination was
ao
elapsed flight time totaled aprroximately
16 hours for the two.
va
Total
No air-
throughout the area of contaminated
The contaminate? arca extended arproximately 15° miles frem GZ.
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