01.18
01.25
1500
1
No
No
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These observations were taken wit the perspex" windows open. When the windows were closed the screen was much less obvious and its efficiency improved.
ANNEX LII GO AFFEND LA
Smoke Screens at Doach, Co. Antrim.
Questionnaire for Aerial Observers of
DATE. 18/19 December, 1940. TYPE OF AIRCRAT. Battle PILOT. F/O N.C S. RIDDELL. R.A.F. Observer
↓
TIME OF TAKE OFF. TIME OF LANDING. TOTAL TIME OVER TARGET REA.
00.50 B. S. T. 01.50.
40 mins.
Civilian Met.
P.Д. Sheppard.
Fine
Target Cogry will. No Cloud
WEATHER VISIBILITY (State distance at 4-5 miles from 1000 which unscreened targets in 5000* Very clear
sy rounding area were clearly atmosphere. bea-sky visible, giving time * height horizon visible at and bearing of observations). acut '15 miles. Moon Looking
. Looking
into Moon. behind into Moon
01.05 BST.
5000
?
No
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57
(4)
3
Were you able to identify the sources of smoke? If so why? eg, fingers of smoke, straight lines of generators, fires, etc.
(5) was the target visible at any stage of the flight over the target area from
(d) Any other height (state height)?
(6) Could an aimed bombing attack have been carried out on the target from
If not was this due to smoke Screen? (d)
(3) Did the Smoke Cloud assist you in locating Target Area? If so, at what distance did you identify smoke?
?
Yes
Yes, about 8 miles.
No
Yes
line
Not
defin-
Yes
ors visible.
itely
No
Yes
lof generat-
5000
8000*
(c)10,000
?
?
2000
No
5000
1
?
Doubtful
Yes
b
8000
?
10000 ?
2000
?
No
(7) If smoke offered no hindrance to attack was this due to
a
smoke too thin?
Yes
b
main body of smoke cloud out of position?
(Signed) N. RIDDELL
11
(c) Gaps in screen (give)
approx. position)?
(8) what, roughly, were the dimensions of the screen?
(9) General remarks and observations.
200 yds wide
X4-5mls. long.
Yes but generators were being extinguished
Some smoke streaks visible, particularly on East side of screen. The water surface and tents alongside the Target were not visible at any stage of the flight. From a few miles the screen might have been mistaken for a patch of mist or fog,
P.A.
SHEPPARD
(1) Time and Height of Approach to Target rea
(2) Did you have difficulty in locating Target Area? If so, why?
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