oF
ES 7
Rr PTTRUPEE,
eee a SD SI
Table 43.
Aircraft positioning data for CASTLE, UNION.
Slant
Aircraft
Altitude
(km)b
Ranged
(km)b
B-36 Effects
12.2
19.1
188
---
B-47 Effects
10.7
abort
9.4
9.1
20.0
--42.6
55.6
180
174
C-54-1
4.3
138.9
315
---
C-54-2
3.2
92.6
270
~--
C-54-3
3.8
138.9
225
---
B-50 IBDA‘
B-50 IBDAS
B-50 IBDAS
Heading
(deg)
Directioga
(deg)
-------
--_—
a--
Notes:
SF rom ground zero.
Done kilometer equals 3,281 feet.
“Indirect Bomb Damage Assessment.
The Test
The UNION cloud reached an altitude of about 94,000 feet
(Figure 83).
Cloud travel was influenced by three winds.
(28.65 km
The low-altitude
portion moved toward the west, the middle portion moved east-northeast
and
the mushroom cap is believed to have moved to the north and west.
of
Non
the cloud-tracking aircraft made contact with fallout from the cloud mupbhroom cap
(Reference 16, Tab N, p.
CONTAMINATION.
33).
The Wilson 2 and Wilson 3 flights, in the air until
about H+13, detected no contamination moving toward Enewetak or Ujelang
and at H+15 Wilson 2 proceeded to monitor the upwind sector of the patt
Wilson 2 noted low-level contamination in the vicinity of Rongelap; acc
ingly, PC-1546 was ordered to move south out of the area and return to
kini.
An early report
(H+3)
from a sampling aircraft indicated an aeri
reading in the roentgen-per-hour range 10 nmi
290
(18.5 km)
south of the sh