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.
indexes list noteworthy entries only - minor administrative matters are
Circular No.53 January 1945
Empire Airways Notes
Statement By the Chairman Sir Fergus McMaster at the shareholders annual
meeting on 9th Nov 1944 regarding profit and loss, also the assumption
of Australia New Guinea routes.
- increased Inland Services
The frequency of Services between Brisbane and Darwin is to be increased
to 4 per week with Douglas airliners.
Airways : Post War Plans
The Acquisition of a fleet of larger faster Clippers and revised operational
procedures will cut the length of journeys to South America to less than
in Airport Location Essential
Advice to local Authorities on the siting and size of airports, relevant
to the size of the community served.
Very Important Visitor
Asian and Australasian Itinerary followed by Mr D. Nelson, President Roosevelt's
envoy, which included several notable flights in a C54 Skymaster fitted
with extra fuel tanks.
Discovery of oil reserves in Nottinghamshire.
A Table showing numbers of licences and certificates issued in recent
years and those in force at 31 Dec 1944
Message 1944-1945 - E.C.
Johnston acting DGCA
Circular No.54 February 1945
of Surplus RAAF Aircraft
The Commonwealth Disposals commission will handle the disposal of surplus
aircraft and stores. Some aircraft types available are listed.
Air Photography Project
The Victorian Government has awarded a contract to Adastra Airways to
photograph 62,000 sq miles of Victoria.
in Airline Schedules
Increases in frequency of services on internal and Indian Ocean routes
of Pilots and Navigators from RAAF
A shortage of civil aircrew leads to the transfer of pilots, navigators
and Radio operators to the reserve so that they may join Airlines as operating
Civil Aviation Conference
A description of the proceedings and resolutions at the Chicago conference.
of the Air
An American view that equates freedom of aerial passage to the freedom
of the seas.
Table of Statistics.
Instrument Landing System
The U.S. War Department announces the existence of the first ILS systems.
In this case they are trailer mounted and mobile.
at Idlewild opens next year
The new airport will have six runways of up to 10,00 feet in length and
centrally located administrative buildings.
An American Airlines survey of passenger preferences revealed some interesting
of difference between DC-4 and DC-6
Description of a new lightweight, Aluminium alloy, inverted V12 700hp
aero engine built by the Fairchild Corporation.
Ailerons" on the Black Widow
Description of the spoiler system fitted to enhance roll control.
Circular No.55 March 1945
Issue of Edition 4 of "Airway Navigational
Negotiations with the Department of Defence result in the 24hr operation
of certain Defence radio beacons thus enhancing the coverage for civil
flight operations. The broadcast of weather information over these beacons
will be implemented.
The radio communications facilities information formerly contained in
this circular will henceforth be incorporated in the "Airway
Navigational Facilities" publication.
A table showing the civil aircraft fitted with equipment sourced from
the USA under the Lend-lease system.
Circular No.56 April 1945
Beacon, Bowen, QLD
RAAF Upgrading this beacon for continuous operation. Radiating on 200
Kcs. this beacon will greatly improve service in this area.
Air Transport Services - Statistics
Comparative Statistics for the years 1942, 1943, and 1944 for regular
Australian Air Transport Services.
Description of a snatch apparatus whereby allied aircraft operating over
enemy territory can pick-up a person without landing.
Type description of the double deck C97 transport developed from the Superfortress.
Capable of operating pressurised at 30,00 ft and at 380 mph will be developed
as a civil airliner called the Stratocruiser.
Doctors and Mail for the Kimberleys
The introduction of an air mail and medical service by McRobertson-Miller
Airlines to all stations with a suitable airstrip has replaced the Pack-Horse,
which had been the only connection in many cases.
Mails in the USA
Domestic Air-Mail in the USA has proved to be very profitable.
- New Guinea Service
QANTAS introduces a service from Sydney to Lae, via Brisbane, Rockhampton,
Townsville and Port Moresby.
- Driven Airliners predicted
A Proposal for the development of airliners with electricity as the motive
39 Liberator Liner
Type description of a civil development of the Liberator Bomber.
Trans Tasman agreement to alter the scheduled times of broadcast for terminal
weather to 5 and 35 minutes past each hour.
Proposal for the development of the Convair model 37 civil Transport.
This six engined aircraft appears to be similar in design to the B36 Bomber,
but with a double bubble fuselage.
water from Sea for Airmen
Description of a solar still which is being issued to airmen for use in
survival situations. Mention also of a chemical seawater de-salination
kit for use in non sunny conditions.
Range at Seymour Vic.
A new facility operating on 33.3 Mcs. The beams are aligned with Holbrook
and Essendon. Click here to see a photo
of this installation.
- Cairns Service
This service is now increased to 3 return trips daily.
Circular No.57 May 1945
Introduction of a priority "Aircraft Movement" telephone call
to cover the situation where radio propagation is poor, particularly due
to adverse weather.
H/F D/F Station
Accuracy to be improved by the laying of an Earth - mat.
Seymour, Port Pirie, Wagga and Bowen
- Description of each Facility.
Aeradio and Navigational Facilities Chart
Distribution of wall chart showing all Aeradio Facilities. The scale (100
miles to the Inch) is coordinated with the Area maps of Navigation Facilities
to facilitate regular amendment.
Aerodrome : Trespass
Continuing trespass by a local drover who grazed his horses on the aerodrome
overnight and removed them by morning. Finally prosecuted, found guilty
of creating a danger to aircraft and fined 10 pounds!!
Air Services Agreements
The Commonwealth Government confirms agreement to ICAO Air Transport agreements
and air transport protocols.
Type description of this new British Airliner.
Control by Positive and Negative switching
Description of the methods of remote control of Aeradio transmitters.
- New Guinea Service, Fares and freight rates.
DC-7 Transport Features
Congestion on this route caused by large volume of service mail from UK
to Australia has led to the introduction of a Lancastrian service from
London to Sydney.
Air Ambulance Service
The RAAF maintains an air ambulance service between the Australian mainland
and the Pacific Islands, using Lockheed Hudson, Douglas C47, and Curtiss
Circular No.58 June 1945
of RAAF D/F Stations
Arrangement to use RAAF Facilities in emergency and the procedural and
frequency differences involved.
Promulgation of Ground-air frequencies.
New H/F D/F station.
Aircraft Accident at Spring Plains Vic on 31.1.45
Air Court of Inquiry - Findings
a Nation Air minded
Various courses of study implemented over the years in the USA have led
to the introduction of a basic general aviation course in High Schools.
- England Lancastrian Service
A 4 day trip from Sydney to London via India. The frequency, initially
weekly, will be upgraded to daily.
Range - Higgins Field
New Facility in North Queensland with beams aligned to Merauke (315deg
M) and Cooktown (144 deg M)
York - Air Traffic
Circular No.59 July 1945
Plans for Aviation after the War
Proposal for the establishment of a single airline for overseas operations
rejected. Three Airlines will be allowed to fly the Atlantic Route.
Instruction No.3 - Aerodrome Serviceability Reports
Responsibilities of various Persons involved with Aerodromes.
of Aeradio Frequencies
List of frequencies and allocation to various Aeradio Stations.
transmission of Weather broadcasts etc.
Relaxation of security measures to permit the transmission of weather
reports in plain language, except for route forecasts for areas north
of 10deg South which must be encrypted.
-(Joint Army-Navy Radio Facility Charts)
Publication issued by the US Army Airways Communications system.
Severe shortage of staff leads to the release of RAAF personnel for training
as Civil Aeradio operators.
Political argument in the USA over federal funding for aeronautical infrastructure.
Circular No.60 August 1945
signs for Indian Ocean and Trans-Australian routes
Allocation and descriptive nature of call signs used by civil and service
aircraft on this route.
to begin civilian use of Radar
American CAA to develop radar control procedures using ex service equipment.
The experimental use of radar in the civil field is already underway in
- RAAF H/F D/F Stations
The geographical grouping of RAAF stations into Zones with appropriate
frequencies, and operating times is tabulated.
Table of Licenses and Certificates issued.
Airports fall into one of five classes depending on runway length. Parameters
to be considered in the planning of airports are mentioned.
Australia-India-UK Lancastrian service is now twice weekly Tues (arr Thurs)
and Sat (arr Mon). Stops are: Gawler (refuel) - Learmonth - Colombo -
Karachi - Lydda - Hurn.
Perth - Colombo, twice weekly. The Catalina service ceased with trip 2Q132
which departed Perth on 12.7.1945 (inaugurated 22.7.1943)
- New Guinea Service
Thrice weekly using DC-3 aircraft.
- New Zealand Service
Sydney - Auckland 4 times weekly.
Circular No.61 September 1945
Article by T.P. Wright - Administrator of Civil Aeronautics USA.
The Aeroplane should be used as a positive force in the progress of civilisation....
- Tree planting
Advice on the establishment and maintenance of trees at departmental stations.
and Air Bases in the USA
in radio Navigation facilities
De-commissioning of RAAF M/F Bellini-Tosi D/F stations at Ballarat, Nhill,
Mt. Gambier and Port Pirie on 1st Sept 1945. Details of changes to navaids
at Nowra and Camden, Commissioning of Yass radio beacon.
Circular No.62 1945
Detailed guidance on the categorisation, investigation and reporting of
Procedures for the routine testing, inspection and maintenance of airport
Guidance on fire types and the appropriate extinguisher to use.
H/F D/F Frequencies
Table of frequencies and operating times for each Zone.
Air Transport Services
Circular No.63 November 1945
Security - Manpower regulations
Wartime restrictions on the release of personnel from Nominated professions
Broadcasting of Weather Reports
Improvements in the coverage, broadcast and re-broadcasting of Weather
of Information - Press Statements
Caution to be exercised by employees in Statements to the press to avoid
compromising departmental policy.
Rationalisation of handbooks used by service pilots which list facilities
of particular use in service operations.
Changes made to RAAF M/F homers.
of Services rendered
Letter from American airman in detailed appreciation of the training and
technical services rendered to his unit over a period of time, which he
considered contributed greatly to the safety and operational record of
of DC-8 Medium Transport
Type description of a twin piston engined 48 passenger aircraft.
Specifications between the Douglas DC-8 and the Douglas DC-3
Table of specs.
Table of staff employed.
Plane, not Bomber, Wars greatest development
The greatest thing to come out of the war was the development of the transport
plane with itd implications for civil operations.
Developments in Pressurisation and technical measurement.
DH Mosquito flew from St Mawgan (Cornwall) to Torbay (Newfoundland) in
7hrs 2min - the fastest East-West crossing ever.
and Certificates etc.
New routes flown by BOAC to Middle East, India and Australia.
of telephone wire from the air
Experiment conducted with a C47 aircraft at Fort Dix in the USA.
Circular No.64 December 1945
Organisation - New Guinea
Anticipated requirement for the Department to operate an Airways Organisation
in New Guinea. Call for Volunteers to staff the organisation.
Adcock D/F Stations
Stations at Pearce, Laverton and Richmond taken out of service.
Flying Boat Base
The Department calls for Staff applications to operate the base which
is to be returned to Departmental control. Click here to see pre-war
photos of the base.
Commercial Application for Helicopter
Calculated costing for the operation of the Piasecki PV-3 Helicopter.
Details of possible route structure around New York.
War Employment in Civil Aviation
Bulletin issued by the CAA in the USA for the guidance of ex servicemen
looking for employment in the industry.
Aircraft for McRobertson Miller Aviation Ltd
Acquisition of a converted C-47 by the airline to boost capacity.
Aircraft for Civil Services
Acquisition of surplus American transport aircraft in the South pacific
for operation with Australian airlines.
of Rainbow Aircraft by Pan American Airways
Type description of the "Rainbow Clipper" aircraft proposed
for intercontinental routes.
by Brian Surtees, CAHS
for the index of DCA Monthly Circulars for 1944,
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