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Aviation History
1924
1924 - 0350.PDF
NOTICE TO AIRMEN Rules for Flight over Air Routes. IT is notified : 1. In order to give general application to the rules designed to minimise the risk of collision, which have hitherto only applied to aircraft flying over an officially recognised air route, the following rules haye been agreed on by the British, Belgian and Dutch Governments :— " (a) The normal procedure in order to reduce the risk of collision to the minimum consists in flying in a straight line, steering by the compass and carefully watching the air space in the region ahead of the aircraft. Every pilot, when flying on a compass course, shall, whenever it is safe and practicable, fly on the right of the straight line joining the point of departure to the point of arrival. " (£>) When an aircraft is flying beneath cloud, it must keep at a fair distance below the cloud base in order to see and be seen, i " (c) When a pilot decides to follow a route which is officially recognised or consists of a line of ground marks such as a road, railway, canal, river, etc., he should bear in mind that the risk of collision with another aircraft following the same route is considerable. Every pilot following such a route, therefore, shall endeavour to keep it at least 300 metres on his left. " (d) Every pilot who decides to cross any route he is following shall cross it at right angles and as high as circum stances permit. Should he desire, after crossing it, to resume flight in a direction parallel to the route, but keeping it on his right, he must keep sufficiently far from it to avoid aircraft following it in the normal way. " N.B.—These regulations shall in no way relieve pilots from the necessity of conforming to the regulations set forth in Annex D of the International Air Convention of October 13, 1919." 2. Pilots are not obliged by the above rules to follow an officially recognised air route, where such exists. " Point of arrival" and "point of departure" in rule (a) include all turning points on routes which are normally not flown on one straight course. The straight line referred to is that joining the extremities of each section of the route which is flown on one course. 3. Certain portions of the following routes have been officially recognised by the authorities concerned :— London—Paris, vide Notice to Airmen No. 64 of 1922. London—Brussels ,, ,, 5 of 1923. Paris—Brussels ,, ,, 23 of 1923. London—Rotterdam—Amsterdam -\ Amsterdam—Berlin . . . . .. | Rotterdam—Berlin Rotterdam—Brussels—Paris ::) Vide Notice to Airmen No. 8 of 1924. 4. Instances have recently occurred in which pilots have been careless in the observance of the rules which have been expressly designed for the general safety of all aircraft. 5. The importance of rigidly adhering to these regulations cannot be too strongly accentuated, and all pilots are invited to report at once to the Secretary, Air Ministry (D.C.A.), any infringements which may come to their notice* 6. Previous Notices.—The following Notices to Airmen are hereby cancelled :—Notice to Airmen No. 64 of 1922, para graph 2 ; No. 22 of 1924 ; No. 5 of 1923, paragraph 3 ; No. 23 of 1923, paragraph 2. (No. 42 of 1924.) Government's Airship Scheme A SUPPLEMENTARY Estimate for ^350,000 in connec tion with the Government's airship scheme was issued on May 23. Of this sum, ^150,000 is for airships and ^200,000 for airship developemnt. The details of the scheme as recently given in Parliament appear in FLIGHT. " Bristols " at Wembley. AMONGST the aeronautical exhibits at the British Empire Exhibition at Wembley, the Bristol Aeroplane Co., Ltd., have quite an interesting and very representative display. In addition to the famous 400 h.p. " Jupiter " radial air- cooled engine, they are showing the 100-h.p. '* Lucifer "— a 3-cylinder air-cooled radial—and one of the " Cherub " light 'plane engines. One of the " Bristol " gas starters and a number of models and photographs of " Bristol " machines are also shown. Foreign Decorations. THE KING has given authority for the wearing of the following decorations, conferred in recognition of the valuable services of the recipients :— Order of the Rising Sun (Japan) (Fifth Class).—Capt. W. F. Jones (late R.A.F.). Sixth Class.—Mr. R. M. Brutnell, Sergeant Mechanic (late R.A.F.). Gordon Shephard Memorial Prize Essay Awards. THE Air Ministry announces that the Gordon Shephard Memorial Prizes, which are given annually for the best essays submitted by members of the Royal Air Force on subjects selected by the Air Council, have been awarded as follows in the 1923 competition :— 1st Essay.—1st prize : Flight Lieutenant J. C. Slessor, M.C. ; 2nd prize : Flight Lieutenant J. L. Vachell, M.C. 2nd Essay.—1st prize : Squadron Leader W. S. Douglas, M.C., D.F.C. The competition was established as a memorial to the late Brigadier-General G. S. Shephard, D.S.O., M.C., Royal Air Force. Alan Butler Flies to Prague. DURING the last few weeks Mr. Alan Butler, Chairman of the De Havilland Aircraft Co., has been making an extensive aerial tour of Europe in his D.H. 37, and on May 20 arrived at Prague. He left London on April 16, and visited the following towns:—Lyons, Nice, Milan, Venice, Zagreb, Belgrade, Sofia, Bukarest, Budapest and Vienna. Independent Force (R.A.F.) THE sixth annual re-union dinner of the Independent Force, including all officers of army troops and other attached units, will be held at the Royal Air Force Club, on Tuesday, June 24, 1924, at 7.45 p.m. for 8.0 p.m. Orchestra from the R.A.F. Central Band will be in attendance. Air Chief Marshal Sir H. M. Trenchard, Bart., G.C.B., D.S.O., A.D.C., will be in the chair, and Group Capt. H.R.H. the Duke of York, K.G., K.T., G.C.V.O., has graciously signified his intention of being present. The committee of the R.A.F. Club have kindly consented to making honorary members for the occasion of those members who do not belong to the R.A.F. Club. Tickets, price 8s. 6d. (excluding wines), may be obtained from the Hon. Secretary, I.F. (R.A.F.) Dinner Club, Room 546, Adastral House, Kingsway, W.C. 2 (to whom any alteration in address should be sent). M m m m AERONAUTICAL PATENT SPECIFICATIONS Abbrev The 363 4,583 7,731 12,322 13,555 14,521 21,098 iations : Cyl. = cylinder ; l.C. = internal combustion ; ni. = motor numbers in brackets are those under which the Specifications will be printed and abridged, etc. APPLIED FOR IN 1923 Published May 29, 1924 G. and U. ANTONI. Aircraft planes. (215,048.) H. LEITNEK. Screw propellers. (215,130.) H. LEITNER. Screw propellers. (215,156.) . J. A. ALDWINCKLE. Screw propellers. (215,192.) NAAMLOOZE VENOOTSCHAP MACHINERIEENEN ArrARATEN FAB- RIEKEN. Installations for illuminating and indicating the land ing-places in aerodromes. (210,386.) G. H. TIIOMPSO-S. Screw propellers. (215,211.) E. PISTOLESI. Air-propellers. (215,243.) FLIGHT The Aircraft Engineer and Airships 36, GREAT QUEEN STREET, KINGSWAY, W.C. 2. Telegraphic address : Truditur, Westcent, London. Telephone : Gerrard 1828. d. 7 2 4 s. 3 Months, Post Free.. 8 6 „ „ ..16 12 „ „ ..33 d 3 6 0 SUBSCRIPTION RATES " FLIGHT " will be forwarded, post free, at the following rates :— UNITED KINGDOM ABROAD* s. 3 Months, Post Free .. 7 6 „ „ ..15 12 „ „ ..30 These rates are subject to any alteration found necessary under abnormal conditions and to increases in postage rates. * Foreign subscriptions must be remitted in British currency. Cheques and Post Office Orders should be made payable to the Proprietors of " FLIGHT," 36, Great Queen Street, Kingsway, W.C. 2, and crossed London County and Westminster Bank, otherwise no responsibility will be accepted. Should any difficulty be experienced in procuring " FLIGHT " from local newsvendors, intending readers can obtain each issue direct from the Publishing Office, by forwarding remittance as above. 350
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