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Aviation History
1949
1949 - 1207.PDF
f I IG HJ JUNE 30TH, 1949 CIVIL AVIATION NEWS J.L.S. and G.C.A* Approved Inspection Aids : l.A.T.A. Clearances MANXLAND'S OWN : With the exception of the route to Ireland (which is reserved exclusively for B.E.A.), the Isle of North-West Airlines (I.O.M.), Ltd., is now operating over a number of routes radiating from the island. Several services daily are flown to Glasgow, Newcastle, Blackpool, Leeds, Manchester and Birmingham, reaching a maximum frequency of five a day on some routes at the week- ends Rapides will normally be used, but 32-seater Dakotat, the first of which is seen above, will fly when bookings warrant the larger capacity. An interior view appears on the opposite page. 1.C.A.0 APPROVES TWO AIDS THE Council of I.C.A.O. has approved I.L.S. and G.C.A. lotinternational use The former has been specified as the aid lot all regular international airports where a blind-landing system is required and G.C.A. has been approved as a supple- mentary device wherever it will materially assist air traffic control, or elsewhere for aircraft not fitted with I.L.S Other provisions for standard equipment include the selection of V.H.F. Omnirange as a short-distance radio-aid to navigation when justified by traffic volume. Omnirange beacons, as they are, provide a continuous direct reading of the aircraft's- bear- ing from a fixed ground station, but a standardized distance- measuring indicator will be incorporated when available. A long-range navigational aid is not yet approved, as there is not a system which is considered suitable for adoption as a standard. The Council has recommended, however, that re- search and development should continue on this problem and that, in the meantime, present types of long-distance aids should be maintained. Aeronautical telecommunication standards will be effective as from March 1st, 1950, unless previously disapproved by a majority of I.C.A.O. members. Authority for establishing standards comes from the Convention on International Civil Aviation concluded at Chicago in 1944 and a set of standards becomes an annexe to Lhe Convention when adopted by the I.C.A.O. Council. Any state which is unable to comply with any standards must notify I.C.A.O. so that other member nations may be warned of divergencies. The telecommunications standards are the tenth set adopted by the Organization: the others include rules n\ the air, personnel licensing, dimensional slan dardization, maps and charts. K.L.M. CONSTELLATION LOS I WHEN nearing the end of an extra flight from Batavia toAmsterdam, a K.L.M. Constellation 749., registered PH-TEA, crashed on June 23rd off Bari, on the south-eastcoast of Italy. After taking off from Cairo, routine position reports were passed until 1025 hr, when one was received byRome control, after which nothing more was heard. About 1050 hr (local time), according to eye-witnesses, the Constellationwas flying at an estimated height of I5,ooott when suddenly it went into a steep dive and, say some, disintegrated in the airIt finally fell into the sea a short distance Irom the coast The loss is a particularly personal one lor K.1..M-, a* thepilot was Captain j C Plesman, son of Dr. Albert Plesman. president of the Company, Four accident-investigating officers from K.L.M and eightfrom the Dutch Civil Air Ministry left immediately lor the scene, but it is unlikely tha* any further information will beavailable until the aircraft is salvaged. There were 1 1 crew and 22 passengers on board, all of whom were killed. AIR BROKERS' ASSOCIATIONM EMBERS of the Baltic Exchange have formed an AirBrokers' Association as a non-profit-making organization of some 70 members representing airlines and charter com-panies Membership is at present limited to Baltic members, but it is hoped later to broaden the basis of membership. Fullsupport has been promised by the Board of Trade and the Ministry of Civil Aviation. The Association will seek to establish and maintain a worldmarket for the charter of aircraft for the carriage of freight and passengers and for other commercial purposes In co-operation with the British Air Charter Association, documents of carriage are being drawn up relative to all aspects of thework; one of these documents, the Baltairvoy, for single- voyage charter purposes, has already been published, andrecently was accepted in Paris as the basis for international air-charter documentation. Market research is being undertaken and information ontraffic offering and aircraft availability will be circulated to and from the Air Brokers' Association. Similar organizations havebeen set up in Antwerp, Amsterdam and Paris. In addition to daily representation on the Baltic, the Association now hasan office at 57, St. Mary's Axe, London. EC. 5 THE AMBASSADOR WING IT must be accepted that, in the development stage of anyaircraft, weaknesses in certain design-features may be dis- closed The original Ambassador was designed with an all-upweight of 45,000 lb which has subsequently been increased to 52.000 ib, at which weight operational trials arc now being con-ducted, The airworthiness requirements demand that the Ambassador structure shall withstand forces equivalent to agust ol 50 It per sec at full load and at normal maximum cruising speed. This is equivalent to about 4! g. After thefirst ground test had resulted in a failure certain modifications were made which, according to unbiased opinions, should haveenabled the structure to withstand these severe tests but which, in fact, did not achieve the desired objective. It is now the manufacturers' intention further to strengthenthe wing—presumably by the use of heavier-gauge skin at the more vulnerable points. It is not expected that this setbackwill retard progress in production and Airspeeds are convinced that the Ambassador will be available for B.E.A. at th* agreeddelivery date. INSPECTION AIDST O complement the British Civil Airworthiness Requirements, the Air Registration Board announce that their Civil Air- rrajt Inspection Procedures are now available; they constitute the Board's recommendations on inspection duties for the various aspects of construction, overhaul, repair and mainten- ance. The information given is essentially of a general character, and no detailed guidance is included on specific types of nir-
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