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Aviation History
1949
1949 - 1405.PDF
AUGUST IITH, 1949 FLIGHT 169 CIVIL AVIATION NEWS Traffic-Control Radio Require- ments : B.O.A.C. Canadairs' Early Start : Corporations' March Statistics JUNCTION AIRPORT : A Soviet Air Lines (Aeroflot) modified C-47 unloading passengers at Helsinki on arrival from Leningrad and Moscow. There is a twice-weekly connection with the S.A.S. services to and from Stockholm. The entrance is on the starboard side, in conformity with standard Russian practice. IDLEWILD SETTLEMENT "DRITISH Overseas Airways Corporation were represented,-L* together with three American airlines, at a conference on August 5th to discuss the possible use of Idlewild Airport(Long Island) in place of LaGuardia as the airport for New- York. After prolonged discussion with Governor Dewey, anagreement was reached on all the points at issue, and it is understood that the full facilities at Idlewild "will be madeimmediate^' available on a voluntary basis to the airlines represented. It is reported that four other companies,originally involved, will be encouraged to subscribe to the agreement. The controversy originally arose when the Port of New YorkAuthority, on assuming control of Idlewild, sought to modify the terms of leases which had been concluded between the Cityand the airlines for the use of LaGuardia. The airlines insisted that the leases were valid and have subsequently con-tinued to use LaGuardia. Permanent leases for the use of Idlewild are likely to be signed in October. TEMPORARY INDIAN AGREEMENTT HE British and Indian Governments have agreed to atemporary arrangement to govern the operation of authorized British and Indian airlines between the two coun-tries. The arrangement was reached at the recent air talks, but discussions on a long-term bilateral agreement have beensuspended and will be resumed within the next 12 months. It is understood that no agreement was reached on the capacityof services to be operated, and on several other points. The temporary agreement provides for the continued opera-tion of existing Indian and United Kingdom services, and also allows for a measure of development as a result of the re-equip-ment and reorganization of B.O.A.C., and for some expansion by Ait India International. The latter company is permittedto operate a scheduled service to East Africa. TRAFFIC PLANS ^ '"PHE Ministry of Civil Aviation has outlined the policy upon-*- which basic traffic control and navigational services will be developed in the United Kingdom during the next two tothree years, and upon which regulations governing the carriage of radio equipment in aircraft will be based. Aids to finalapproach and landing have not yet been dealt with. This general statement of policy provides a warning of the newregulations, so allowing sufficient time for the production and installation of equipment to meet the minimum scale to becarried in all aircraft flying under I.F.R. when standardization of approved navigational systems has been agreed. The use of the medium-frequency band for air-to-groundcommunications will contract rapidly in the near future as a result of the implementation, during 1950, of the new inter-national frequency allocation plans. The first ground stations to be withdrawn will be those in South-Eastern England andthen progressively in the North and South-West of England, followed by Scotland. The D/F facilities associated with thisfrequency band will be withdrawn also. B'I7 ' Provision of V.H.F. R/T. equipment for airfield andapproach communications at M.C.A. airfields is now virtually complete and it is intended that all short-distance com-munications shall eventually be conducted within that band H.F. VV/T. will ultimately be used only for long-distance com-munications and developments may show an increasing possi- bility for using H.F. R/T. also for long-distance communica-tions. Facilities for airfield control on this band have recently been placed on a "request only" basis, and it is intended 1owithdraw H.F. R/T. airfield control facilities as soon as tb<- development of V.H.F. R/T. permits. Basic navigational services will be provided by employingthe available medium frequencies for the increased use of radio range.and the M.F. non-directional beacons. Control areas inthe form of airways—defined by radio ranges and M.F. beacons —are being set up, but there will not be sufficient mediumfrequencies to provide a complete system of check points, so the latter will be defined throughout the country by V.H.F.fan markers. The whole plan will probably begin to take effectduring 1949 and will be completed in 1950-51. V.H.F. D/F. will continue to be available at many airfields, but the abilityto use this facility alone will not continue to be sufficient for air-traffic control purposes under I.F.R. in control areas, andin control zones associated with major airports. It is intended progressively to extend the system of positivecontrol of air traffic throughout the country. With the growth of air traffic needing I.F.R. clearance in control areas and zonesit will probably become necessary by 1950 to require each air- craft to carry a minimum scale of equipment in the form ofV.H.F. R/T., M.F. receiving equipment and associated D/F. facilities, and V.H.F. receiving equipment for the 75 Mc/s fanmarker signals. The use of Gee and Decca will continue to be acceptable for traffic control. For international flying it is thought probable that full opera-tional flexibility will be achieved only if aircraft are capable of communicating on at least 19 V.H.F. R/T. frequencies. Inthe United Kingdom full use of airfield, approach and en route facilities will be achieved only if communication is possible onten frequencies. In the interests of safety it is anticipated that, aircraft having less than the full facilities will be restricted tothose routes on which their equipment will allow communica- tions to be maintained. Since the M.F. band is being used morefor navigational facilities, great importance is attached to the incorporation of better selectivity characteristics in new air-borne M.F. receivers. CANADAIRS' EARLY OPERATION TAKING advantage of the early delivery of their newCanadair fours, known as the Argonaut Class, B.O.A.C. will introduce its first landplane services between the UnitedKingdom and the Far East on August 23rd. At 0930 G.M.T. on that day, a service to Hong Kong will open on a weeklybasis. Night stops will be made at Karachi and Rangoon, and refuelling stops at Rome, Cairo, Basra, Calcutta andBangkok; Hong Kong will be reached at 0840 hours G.M.T. on August 26th. The total journey time will occupy three
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