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Cincpac File No.
Pac-35-tk
A2-11/A16-3(1)
Serial 0627 |
UNITED STATES PACIFIC FLEET
AND PACIFIC OCEAN AREAS
HEADQUARTERS OF THE COMMANDER IN CHIEF |
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21 February 1944
CONFIDENTIAL
PACIFIC FLEET CONFIDENTIAL MEMORANDUM 4CL-44
| From: |
Commander in Chief, United States Pacific Fleet and Pacific Ocean Areas. |
| To: |
PACIFIC FLEET and SHORE ACTIVITIES, Pacific Ocean Areas. |
| |
| SUBJECT: |
Pacific Ocean Areas Standard Signals for Air Raid Warning Conditions, Air Raid Alarm, and Control of Anti-Aircraft Fire. |
1. In order to standardize signals for Air Raid Warning Conditions, Air Raid Alarm, and Control of Anti-Aircraft Fire at Pacific Ocean Area Bases the following will become effective when directed by dispatch on completion of the distribution of this letter.
(a) AIR RAID WARNING CONDITIONS.
| Visual |
Radio
(plain language message) |
Meaning |
| |
| "ZEBRA" Flag |
"FLASH RED" |
Air Attack imminent, enemy aircraft in vicinity. All ships set Condition I. |
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| "TWO" Pennant |
"FLASH BLUE" |
Air Attack probable, unidentified aircraft in vicinity. All ships set Condition II |
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| "ONE" Pennant |
"FLASH WHITE" |
All clear. Aircraft identified as friendly. (Hostile aircraft no longer in vicinity).
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| (b) |
Ten (10) second blasts with five (5) second intervals for a period of two (2) minutes on siren from base or senior ship in harbor. |
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| (c) |
CONTROL OF ANTI-AIRCRAFT FIRE. |
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| Visual |
Radio
(plain language message) |
Meaning |
| |
| GREEN Flag |
"CONTROL GREEN" |
All guns hold fire on air targets. |
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| YELLOW Flag |
"CONTROL YELLOW" |
All guns fire on any air targets. |
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| (d) |
When flag signals for air raid warning conditions and control of gunfire are flown simultaneously the Control Flag will be flown UNDER the Condition Flag.
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C. H. McMorris
Chief of Staff
DISTRIBUTION: (13N-43)
List II.
P, SP, MC, NTS, X1-5, Z,
EN3, 11, 28, NA11-54,
NB18, 49, ND11-15, NS9, 10,
NY8-10, CG.
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