DCA Monthly
Circulars were instituted in September 1940 as a means of communicating
information throughout the by now far-flung branches of the Department.
The Monthly Circulars were continued until December 1950 when they
were replaced by Administrative Instructions.
These
indexes list noteworthy entries only - minor administrative matters are
not listed.
Circular No.29 January 1943
Security
of Information
Responsibility for safeguarding official information and penalties applying
for those in dereliction of their duties in this regard.
Hawker
Hurricane, Typhoon, Tornado
Type description.
Model
designation of U.S. Army and Navy Aircraft
Table of Symbols applied to various categories of Aircraft
Army
Air Force contract cargo operations flown by civil Airlines
Explanation of the system.
Operating
Requirements for Air Cargo Operations
Description of how Air Cargo Operations should be conducted and the requirements
for equipment and handling.
German
Radiolocation Equipment
Part fact, part fantasy description of German equipment fitted to Night-fighter
aircraft.
Circular No.30 February 1943
They
Also Served - A.B. Corbett
Tribute to Auxiliary services contributing to the war effort in Papua.
Tin
Control
Shortage of tin due to loss of supplies from Malaya and Siam,
Pen Nibs
Detailed instructions on the care and prolongation of the life of pen
nibs due to the lack of replenishment of supplies. This item was not made
in Australia at this time.
A new London Airport
Proposal to build a new Airport in the blitzed areas of London, rather
than some miles out of the city!
From
the Aeradio Logs
Examples of the breaching of signal security and compromise of codes through
laxity of Aeradio operators.
Economic
effects of Airport size and Airway Deficiencies
Economic effect of diversions due to bad weather, stacking of approaching
aircraft due to airspace congestion and design of airports for efficient
ground manoeuvring.
Avro
Lancaster
Type description.
Circular No.31 March 1943
Britain's
Airlines
Operation of British airlines and route structure in wartime
Britain
stripped for war
Speech by Oliver Lyttleton, British Minister for Production, in Washington
USA
U.S.
War routes for Air Cargo
US Policy regarding the allocation of national resources to military air
transport.
New
devices for saving allied merchant seamen
Development of a portable, buoyant emergency radio transmitter.
Bristol
Beaufighter
Type description
Japanese
type designations
Explanation of current practice
Wound
plastic bearings used in German Aero engines
Use of textile fabric tape soaked in synthetic resin for use as bearing
material in aero engines.
A
new use for Walnuts
Use of walnut shell in the formation of plastic moulds in Flying Fortress
production.
Circular No.32 April 1943
British
Transport Aircraft
Call for the setting up of a committee to promote design of post war transport
aircraft to keep pace with American and Russian efforts in this field.
Smothered by inaction of government department.
Armstrong
Whitworth Whitley Transport
Type description.
War
in the Air - some facts and figures
Aircraft and munitions production.
North
American Mustang
Type Description.
Canadian
War Production
Facts and figures
Health
Suggestions
Dietary and exercise.
Circular No. 33 May 1943
Merlin
61 Engine details revealed
Engine description
Australian
Regular Air Transport Services
Facts and Figures.
Improved
Exhausts
Process developed by Taylorcraft in the USA to apply porcelain enamelling
to the steel in exhaust systems.
New
Rotol Propeller
Development of constant speed propellers for training aircraft.
No
Super designers in Germany
Description of the performance particulars of a captured Focke Wulf 190
aircraft.
Lockheed
Lightning (P-38) Fighter Aircraft
Type description.
Future
of the Helicopter
Statements by Igor Sikorsky.
Traffic
Control - Canada
Women being trained as Air Traffic Control assistants.
Flying
Boat Accident
Loss of Qantas Empire Airways Flying Boat VH-ADU in SW Pacific - with
loss of life.
Circular No.34 June 1943
Five
Billion Dollar Aircraft Production in 1942
American Aircraft Manufacturing Industry statistics.
Plastic
Surgery and Monkey Glands
Australian re-design of the A model Stinson Trimotor aircraft to take
two Pratt and Whitney Wasp engines. A successful operation.
De
Havilland Mosquito (DH 98)
Type description.
The
North - West African Campaign
Remarks by Winston Churchill on the victory in Tunisia.
Circular No.35 July 1943
Awards
to Civil Aviation Personnel
Awards and commendations for bravery in the execution of duty.
Flying
Boat or Landplane
Interesting discussion of the relative merits of large landplanes and
Flying boats in relation to the future of long range services.
Air
Transport in the Future
Speech by Mr W.L. Runciman DG of BOAC.
Army
Pilot's Recklessness : Cause of Airline crash
Mid - Air collision between an Army B34 bomber and Civil DC3. DC3 destroyed
(12 dead), Bomber survived.
Mustang
adapted for dive bombing
P-51 redesign as a dual purpose dive bomber and fighter.
Circular No.36 August 1943
Award
to Civil Aviation Personnel
For Bravery.
First
"Air Train" crosses the Atlantic
C47 tows Waco Glider across the Atlantic.
The
Boeing Flying Fortress
Description of battle damage tolerance.
Do
you eat the right food?
Description of Protein and energy rich foods.
Australia
at war
Facts and figures.
Circular No.37 September 1943
Awards
to Civil Aviation Personnel
Award of George Medal to W.E. Clarke
Signal
Security - Civil Aviation W/T stations
Memo from Director - General of Security and remedial action by Department.
Control
of Photography Order
Regulations regarding photography.
The
type 500C Radio Beacon Transmitters
Provision of NDB's under Lend-Lease by the US Government for use in Australia
Technical description.
DH
Mosquitoes as Civil Aircraft
Use of "De-Militarised" Mosquitoes by BOAC
Circular No.38 October 1943
Type
500C Radio Beacon Transmitter : Suppression of Interference
Difficulties caused by proximity of NDB and Australian communications
Frequencies around 333 Kc/s
Aviation
and Empire
Political aspects of the future of civil aviation.
Republic
Thunderbolt
Type description.
Daring
Civil Air Service to Malta during Blitz
The operation of the civil air link with Malta under fire.
Circular No. 39 November 1943
Four
British Transport types
Post war transport designs.
Civil
Aviation in the U.K.
Facts and figures
Australia
at War
Facts and Figures.
Circular No.40 December 1943
Cessna
develops new cargo plane
Type Description Cessna Loadmaster.
Sky
Cars
Consolidated Vultee design of "Aerocar" type of "flying
automobile
Messerschmitt
Me 323
Type description (6 engine powered glider)
7
Mile high over the Atlantic
Description of a trans-Atlantic flight in a B24 Liberator.
Index compiled
by Brian Surtees, CAHS
Click here
for the index of DCA Monthly Circulars for 1942,
1944
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