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Aviation History
1931
1931 - 0156.PDF
FLIGHT, FEBRUARY 13, 1931 AIR MINISTRY NOTICES AIR MINISTRY NOTICES TO AIRMEN Night Flying without Navigation Lights 1. ROYAL AIR FORCE aircraft will be flying at night between 18.011 and 22.00 hr. during the period from January 28, 19,11, to May 17, 1931, inclusive, over an area bounded by straight lines joining Chelsfield, Addington (approxi- mately 4 miles K. of Croydon air port), Oxted, Sevenoaks, and Chelsneld. 2. Above an altitude of 5,0(10 ft., the aircraft will not exhibit navigation lights, unless other aircraft are observed in thvir immediate vicinity. Navigational Warning No. 1 n/1931) Burma : Rangoon Landing Ground A GOVERNMENT-OWNED landing ground has been established at Rangoon and is available for use. The new landing ground is situated 81 miles N. by W. of Rangoon and on the E. side of the Rangoon-Proine main road. The Kyaikasan racecourse, Rangoon, is no longer available for use by air- craft. General Notice No. 1 of 19:il.) A.—The Air Navigation Directions, 1930 (A.N.D. 10) B.—The Air Navigation (Amendment) (No. 2) Order, 1930 C.—The Air Navigation (Amendment) (No. 3) Order, 1930 A.~The Air Navigation Directions, 1930 (A.N.D.10) 1. ATTENTION is drawn to the publication of the Air Navigation Direc- tions, 1930 (A.N.D.10), copies of which are obtainable direct from H.M. Stationery Office, or through any bookseller, price 6ii. net. 2. The new Directions replace the Air Navigation Directions, 1928 (A.N.D.7), the Air Navigation Directions, 1929 (A.N.D.7A), the Air Navigation Directions 1929 (A.N.D.7B), and the A\r Navigation Directions, 1930 (A.N.D.7C), and incorporate, in addition, amendments affecting inter alia the following matters :— (i) Pilot's licence for private flying machines ("A Licence").—Test for altitude and gliding flight. (ii) Pilot's licence for passenger or goods flying machines (" B Licence ").— Carrying out of further official flying tests in event of failure at first attempt. Fees payable in respect of such further tests. (iii) The dropping from aircraft in flight of smoke producing or other apparatus for the purpose oi navigating the aircraft and of message bags, etc. (iv) The provision in all flying machines, for all flights, of safety belts for pilots, whether carried in an open cockpit or not. B.—The Air Navigation (Amendment) (No. 2) Order, 1930. 1. An Order in Council, entitled " The Air Navigation (Amendment) (No. 2) Order, 1930," lias been established further amending the Air Navigation (Consolidation) Order, 192;*, as amended by the various subsequent Air Navigation (Amendment) Orders. The new Order, Which came into operation provisionally as from November 27, 1930, will, when established as a Final Order, be published in the S.R. & O. series. 2. The Order provides, inter alia, for the insertion of the following new paragraph after paragraph 7 of Schedule V of the principal Order :— " 7A. A member of the operative crew of a passenger or goods flying machine of any type, who is manoeuvring the machine under the direct supervision of the pilot thereof, shall be deemed to be the holder of a licence in respect of the capacity in which he is so acting, if he holds a pilot's licence, granted or rendered valid under the provisions of this order, to fly passenger or goods flying machines of that or some other type. " In this paragraph the expression ' passenger or goods flying machine ' means a flying machine carrying passengers or goods for hire or reward or being flown for any industrial purpose." C.—The Air Navigation Amendment) (No. 3) Order, 1930. 1. An Order in Council entitled " The Air Navigation (Amendment) (No. 3) Order, 1930 " has also been established. This order, which came into opera- tion provisionally as from December 18, 1930, was published in the issue of the "London Gazette" dated December 30, 1930, and will, when established as a Final Order, be published in the S.R. & O. series. 2. The Order provides for the amendment of Schedule VIII to the principal Order and affects the Customs rules for the departure of an aircraft on a voyage to a place outside Great Britain and Northern Ireland. (General Notice No. 2 of 1931.) AIR MINISTRY NOTICES TO AIRCRAFT OWNERS \\n GROUND ENGINEERS Marconi-Newton Constant Speed Windmills 1. WHEN Marconi-Newton Constant Speed Windmills of anv of t1 approved types, i.e., types 110, 140, 160 and 180, are employed for drivi"'. aircraft generators installed on aircraft flying with a Certificate of Airworil' ness, it is essential that the following instruction!; be observed to ensure (I correct functioning of their regulating mechanism. '_'. The windmills are to be tested before each flight for freedom of II blades. For this purpose the blades arc tr) be turned against the force of til. internal springs in the direction to coarsen their pitch, care being taken th - the blades are gripped a= near as possible to the centre to avoid damaui,,,, ?' distorting the blades. *> ° 3. The windmills are to be lubricated after approximately every 2(1 hour- flying by means of a few drops only of very light machine oil introduced iuu the hole provided. (No. 1 of 1931). Blackburn Bluebird Mk. IV Aircraft : Top Longeron Fitting 1. CASES have occurred of the fitting Part No. N.D. 134, cracking aloir the bend lines. This fitting is situated on the after side of the fireproof bulk- head and forms the top longeron joint on both port and starboard sides 2. These joints should, therefore, be inspected immediately for signs of eraeks, and further inspection should be carried out at frequent intervals, 3. An improved design of fitting, Part No. S.K. 3443, has been produced by The Blackburn Aeroplane and Motor Company, ISrough, East Yorkshire 4. In the event of failure being detected, Part S.K. 3443 should be substi tutedfor Part N.D. 134. (No. 2 of 1931.) Westland Widgeon Aircraft : Wing Hinge Joints I. THE attention of aircraft owners and ground engineers is drawn u> Modification Widgeon/'13, Wing Hinge Joints. 2. Owing to the distortion which sometimes takes place at the hinge joints on Widgeon aircraft due to repeated folding am; assembly of the wings, it is considered desirable to replace all existing hinge fittings by the new type introduced by the above Modification. 3. The new hinge fittings must in all cases be incorporated before the next renewal of the Certificate of Airworthiness. In cases where the hinges .m- already distorted or the attachment bolts arc bent, the modification must lv; introduce! immediately. 4. The necessary new parts can be obtained on application tu Messrs. Westland Aircraft Works, Yeovil. (Mo. 16 o/'19311 Approved Airscrew Designs A SERIES of Notices have been issued bv the Air Ministry, giving in detail the airscrew designs approved for various aircraft. These embrace Notices numbered from No. 3 of 1931 to No. 15 of 1931, both inclusive. In each case are given the diameter and pitch in feet with various engines. No. 3 relates to Avian III with Cirrus II and Cirrus III engines. No. 4 relates to Avian II, with the same ensincs. No. 5 relates to Avian IIIA, with Genet II and 11A and Cirrus II and III. No. H relates to Avian IV, with Cirrus II and III, Genet II and 11A, Genet Major and Hermes I. No. 7 relates to Avian monoplane, with Genet Major and Hermes I. No. 8 relates to Avro V, with Genet Major. No. 9 relates to Bluebird IV, with Cirrus III, Gipsy I and II, and Herme?. No. 10 relates to Moth D.H. 60.X, with Cirrus II and III. No. 11 relates to D.H. 60 M, with Cirrus III, Gipsy I and II.. No. 12 relates to Moth D.H. 60 G, with Gipsy 1 and II. No. 13 relates to Puss Moth D.H. 80 A, with Gipsy III. No. 14 relates to Simmonds Spartan, with Cirrus III, Hermes, Gipsy 1 aid II. No. 15 relates to Westland Widgeon, with Cirrus II and Genet II. All the above are obtainable upon application to the Air Ministry. "Armour" Wind Direction Indicator 1. The smoke producing devices and their method of use described in letter? patent No. 326161 are approved by the Secretary of State under the terms oi paragraph 119 (b) (1) of the Air Navigation Directions 1930 (A.N.D. 10). 2. The glass cylinders containing a chemical substance, forming part of these devices, must not be carried inside cockpits or cabins of aircraft, nor in such a position on board that, in the event of breakage, the contents will cause inconvenience or injury to the occupants. No. 17 of 1931). IN PARLIAMENT North-West Frontier of India MAJOR-GENEKAI, SIK ALFRED KNOX, on February 2, asked the Secretary of State for India if he would take steps to remedy the present system of divided command between tho military and Air Force on the North-West Frontier of India ? The Secretary of State for India (Mr. Wedgwood Benn) : On January 11 the Government of India announced the appointment of a Committee to consider the system of tribal control and defence against tribal incursions on the North- West Frontier. The terms of reference of the Committee include the question whether any departure from existing arrangements in respect of the strength, disposition, organisation, co-ordination and mutual relations of the Royal Air Force, the Regular troops and the armed civil forces on the North- West Frontier is advisable in order to increase efficiency and promote economy. It is estimated that the cost of bombs thrown by air by the Royal Air Force during the period of active operations between May and October last was in the neighbourhood of £160,000. The expenditure involved is debatable to Military Estimates, Part C, Royal Air Force. Lieut.-Commander Kenworthy : Is the right hon. gentleman aware that the last military expedition in the Old style cost over £20,000,000 ? Aerodromes, Moray and Elgin MR. MONTAGUE, on Feb. 4, in reply to Mr. Smithers, said, there are no service or licensed civil aerodromes or landing grounds in the county of Moray or Elgin, maintenance of which entails any cost to the State. There are, however, in this county as in others, areas available for use for individual flights by arrangement with the owners on payment of a small charge on each occasion of such user. Air Services in the Far East MR. MONTAGUE, in reply to Mr. L'Estrange Malone, said, an ajre was signed a few months ago between the Chinese Government and "it Deutsche Lufthansa for the establishment of a Berlin-Nanking air seiwfl and a Sino-German air traffic company is about to be formed which will "e financed both by the Chinese Government and the Lufthansa. The air service between Berlin and Shanghai, via Nanking, is to be confined to the carriage of mails in the- first place, but later may be used for the transport of passengers. The Berlin-Peiping section of the route is expected to be in operatic1" during - - - eular service considered. Royal Air Force Collisions v MR. MONTAGUE in reply to Capt. Balfour, said, during 1930 there. "<^ eight collisions in the air between aircraft of the Royal Air Force in w^ c.-oai personnel were killed and five were injured ; in addition, three c0~^.tc(! occurred which did not involve death or injury. In regard to a rest*Vnie field of vision being a predominating cause of collisions, this is not DU^ out by the facts. At the same time the necessity of securing to the P"° ^ best possible field of view is always regarded as a most important tact ^ the design of aircraft. We demand the very highest standard, havwf to the design of the aircraft and the purpose for which it is used. 150
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