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July , 1937 AIRCRAF T ENGINEERING Instruction s to Ground Engineers and Private Owner s on Essential Modifications Gipsy Six IA .. 70 4 No . 12 of the year 1937 The Air Navigation (Amend Gips y Six (HC) .. D.T.D. 230 (87) 4 1. As several kinds ot compressed gas are ment) Order, 1937 (S.R.& May 7, 1937. now used for various purposes in connection O., 1937, No. 96) .. ..0 6 0 7 with civil aviation, precautions should be taken No . 14 of the year 1937 The Air Navigation (Amend t o prevent one kind being mistaken for another. ment) (No. 2) (Provisional) 1. Examination Boards will sit for the pur 2. British Standards Specifications Nos. Order, 1937 0 1 0 1½ pose of examining applicants for ground 341 and 349 give particulars of the identifica The Air Navigation Directions, engineers' licences at the following places and tion markings for gas cylinders, and the 1936 (A.N.D. 13) .. ..1 0 1 1 times :— dimensions for the connections on valves for The Air Navigation Directions, (a) London, weekly, on each Tuesday in gas cylinders, respectively. The following 1936 (A.N.D. 13A) ..0 1 0 1½ July, August and September, 1937. particulars have been extracted for guidance:— The Air Navigation Regula (b) Croydon, on the second Friday in July, Identification tions, 1937 0 2 0 2! August and September, 1937. Gas markings Dimensions of 3. New regulations, adding to, amplifying or contained Ground Colours connection on valve (c) Manchester, on the first Friday in colour of bands amending the existing regulations, are issued September, 1937. Air .. .. Grey Nil Internal ⅝ in. U.S.P., from time to time. Brief particulars of those K.H . thread of 14 (d) Bristol, on the first Friday in July, 1937. T.P.I . specially applicable to ground engineers will (e) Glasgow, on the first Thursday in Acetylene. . .. Maroon Nil Internal ⅝ in. I3.S.P., be published in Notices to Aircraft Owners L.H. thread of 14 August, 1937. T.IM . and Ground Engineers. Carbo n Dioxide Mack Nil* Kxtcrnal 0·860 in. 2. Applications for licences should be made May 24, 1937. (C.O ). U.S.W., R.H. thread on C. A. Form 2B, which is obtainabl e on request, o t 14 T.P.I . and should be addressed to The Secretary, No . 16 of the year 1937 Oxyge n (O) .. Mack Nil Internal ⅝ in. U.S.I*., K.H . thread of 14 Air Ministry (C.H.3 (a) ), Ariel House, Strand, 1. New Civil Specifications. T.P.I . Nitroge n (N) ..Dark Grey Mack Internal ⅝ in. B.S.P., London, W.C.2. Applications for extensions to Civil Specification No. 15, " Electrical R.H. thread of 14 existing licences will also be dealt with at Generators," has now been issued and copies T.P.I . these boards, and such applications should be Sulphu r Dioxide Green Yellow External ½ in. B.S.P., can be obtained, price 6d. net or 7d. post free, (S.C2). K.H. thread of 14 made on C.A. Form 2D to the above address. from H.M. Stationery Office at any of the T.P.I . When forwarding the application, the applicant * Whit e or aluminium coloured hands are used in th e tropics. following addresses: Adastral House, Kings- should indicate the provincial centre which he way, London, W.C.2 ; 12J, George Street, 3. Compressed nitrogen may be used as a wishes to attend for examination, if he is unable Edinburgh 2 ; 26, York Street, Manchester 1 ; substitute for compressed air in high pressure to take the examination in London. 1, St . Andrew's Crescent, Cardiff; 80, Chichester systems pertaining to controls or units such as 3. Application for examination at the Street, Belfast; or through any bookseller. wing flaps, air brakes, pneumatic oleo legs and centres named at 1 (c), (d) and (c) above can 2. Revised Civil Specifications. retractable undercarriages, or for the purpose only be accepted provided that the application, (1) Civil Specification No. 8A, "Rate of of inflating tyres. together with the appropriate fees, is received Turn Indicators," has been issued. This 4. Owing to the possibility of danger arising 28 days before the dates specified, and provided cancels and supersedes Civil Specification No. 8. from connecting a high pressure gas cylinder also that the total number of applications (2) Civil Specification No. 11A, "Electrical direct to an aircraft system, a reducing valve received is within the capacity of the board. Apparatus (other than Wireless Apparatus)," or safety valve which will ensure that the Applicants whose applications are not accepted has now been issued. This cancels and super pressure applied to the system is kept within owing to these provisions will be given the sedes Civil Specification No. 11. a safe range, should be incorporated. opportunity of early examination in London, or, (3) Copies of Civil Specifications Nos. 8A Cancellation alternatively, of being placed on a waiting list and 11A can be obtained from H.M. Stationery Notice to Aircraft Owners and Ground for the next board to be held in the place in Office at any of the addresses given in para. 1 Engineers No. 45/1936 is hereby cancelled. question. above. April 26, 1937. May 11, 1937. (4) The new and amended clauses in these No . 13 of the year 1937 two revised Civil Specifications are indicated 1. The use of special fuels in engines not No . 15 of the year 1937 by a marginal line. New Type instruments designed for using such fuels may cause serious 1. The attention of ground engineers is drawn certified after 1st July, 1937, must comply with engine trouble. The fuel for which a particular to the necessity for keeping themselves familiar the revised issues.—(See Civil Specification engine has been approved is shown in the engine with the air navigation regulations already in Memorandum No. 1, issued as Notice to Aircraft log book. Fuels are not to be used which force and for acquainting themselves with the Owners and Ground Engineers No. 36/1936.) (1) arc inferior in anti-detonation value amendments and additions to these regulations 3. List of Current Civil Specifications. (octane number) to the approved as issued. The following is a complete list of current fuels shown in the engine log book, 2. The following is a list of the air navigation Civil Specifications :— or (2) contain added tetra-ethyl-lead fluid regulations at present in force in Great Britain Price (T.E.L.), unless the engines have and Northern Ireland, which are specially C.S. Net Post free been specially approved for T.E.L. applicable to ground engineers. Copies of these No. s. d. s. d. fuels. can be obtained, a t the prices quoted, from H.M. 1. Altimeters.. .. .. 0 6 0 7 2. The following are the only engines which Stationery Office at any of the following 2. Air speed indicators .. 0 6 0 7 have so far been approved for fuels containing addresses :—Adastral House, Kingsway, 3. Pressure heads for use with T.E.L . :— London, YV.C.2; 120, George Street, Edin air speed indicators .. 1 0 1 1 Fuel Spec, or Octane T.E.L. (c.c's per burgh 2; 26, York Street, Manchester 1 ; Engine So. (Min.) gallon) (Max.) 4. Engine speed indicators.. 0 6 0 7 l.yn x IVD .. .. 73 5 1, St . Andrew's Crescent, Cardiff; 80, Chichester 5. Pressure gauges for oil and Gene t Major 1A .. 73 5 Street, Belfast; or through any bookseller. Serva l IVA .. .. D.T.D. 230 (87) 4 fuel systems .. .. 0 6 0 7 Panthe r IX & X .. D.T.D. 230 (87) 4 Price. 6. Oil temperature ther Cheeta h I X & X .. D.T.D. 230 (87) 4 Tige r VII , VII I & I X D.T.D. 230 (87) 4 Net. Post Free. mometers .. .. 0 6 0 7 Mercur y VIS and all D.T.D. 230 (87' 4 s. d. s. d. 7. Radiator temperature ther highe r Mark num bers . mometers . . .. 0 6 0 7 The Air Navigation (Consolida Pegasu s HI M and all D.T.D. 230 (87) 4 tion) Order, 1923, as 8A . Rate of turn indicators .. 0 6 0 7 highe r Mark num bers . amended by the Air Naviga 9. Magnetic compasses .. 0 6 0 7 Perseu s II and all D.T.D. 230 (87) 4 tion (Amendment) Orders 10. Fire extinguishers .. 0 6 0 7 highe r Mark num bers . up to and including the Air 1 1A. Electrical apparatus (other Rapie r V & V I .. D.T.D. 230 (87) 4 Navigation (Amendment) tha n wireless apparatus) 0 6 0 7 Dagge r II & II I .. D.T.D. 230 (87) 4 Kestre l V and all D.T.D. 230 (87) 4 Order, 1935.. .. ..1 5 1 6 12. Safety belts and harness.. 0 6 0 7 highe r Mark num The Air Navigation (Amend 13. Fire resistance tests .. 0 6 0 7 bers . Cascad e I I ... . 80 1·8 ment) Order, 1936 (S.R. & 14. Directional gyros. . .. 0 6 0 7 Gips y Six II .. 77 4 O., 1936, No. 571) . . ..0 2 0 2½ 15. Electrical generators .. 0 6 0 7 Gips y Major IA 69 4
Aircraft Engineering and Aerospace Technology – Emerald Publishing
Published: Jul 1, 1937
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