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Aviation History
1931
1931 - 0372.PDF
FLIGHT, APRIL 17, 1931 AIR MINISTRY NOTICES IT will be seen from the following notice that the AirMinistry Notices to Airmen have been sub-divided in a new manner, and are to be distributed in a different way thanhitherto. In view of this distribution and of the increasing size of these notices, as well as those to Ground Engineersand to the increasing pressure on our space, we shall in future not publish these notices in full, but will summariseeach notice as it appears. We feel that by so doing we shall be enabled to keep up to date with these, as issued,and readers will, from these summaries, immediately be able to see which notices interest them particularly, and if desiredmake application for copies to the Air Ministry. Notices to Airmen : System of Sub-division and Distribution IT is notified that:— (1) Commencing with the issue of this notice, Notices to Airmen will be divided into four separate series, each of which will have its independent distribution list. Present recipients oi the notices should therefore read carefully the information given below concerning the future classification of the notices, and, if interested in any of the series H—D, should note the special steps which it will be necessary to take in order to obtain copies of such notices. (2) The classes of information covered by the various series will be as follow :— Series A.—Information Which is of general interest and which is not covered by Series 13—D, e.g.:— (i) Certain regulations of a temporary or experimental nature which are not for the time being covered by the Air Navigation Directions, etc., such as those relating to flight on the Croydon-Lympne air route in conditions of bad visibility; nights across the Strait of Dover—procedure for reporting; altitude for flight across the Strait of Dover. (ii) Warnings re R.A.F. night flying without navigation lights. (iii) Warnings re air races and displays. (iv) Notifications of issue of new regulations. (v) Warnings re contravention of existing regulations. (vi) Notifications of publication of civil air maps. Notices such as those coming within classes (i)—(iii) above will be printed on pink paper with the word " SPECIAL " in the top right-hand corner ; other notices in this series will be printed on white paper. It will be observed that this sub-division of Series A corresponds, roughly, with the previous division of Notices to Airmen into " Navigational Warnings " and " General Notices " ; but it should be noted that all notices issued under Series A will be numbered consecutively, irrespective of their subject. Series B.—Information concerning countries not coming within the scope of one or other of thr volumes of the Air Pilot. Generally speaking, the scope of this series will be confined for the present to important information affecting flight along the. extra-European sections of long-distance routes, such as England-Africa and England-India, which are most frequently used by British pilots. Series B notices will be printed on buff paper. Series C.—Information of a temporary or specially urgent character which amplifies or amends the information contained in the Air Pilot, Vol. I (Great Britain and Ireland). To be printed on blue paper with one diagonal bar across the top right-hand corner. Series D.—Information of a temporary or specially urgent character which amplifies or amends the information contained in the Air Pilot, Vol. II (Europe, excluding Great Britain and Ireland).' To be printed on blue paper with two diagonal bars across the top right-hand corner. (3) The distribution of the various series will be carried out as follows :— Series A.—All persons at present in receipt of Notices to Airmen will automatically be placed on the distribution list for Series A notices, and this series will continue to be given a wide distribution on the basis on which Notices to Airmen have been distributed in the past. In the event of any individual pilot not having easy access to Series A notices distributed through the normal channels, copies will be supplied direct to him upon application being made to the Secretary, Air Ministry (C.A. 3), Gwydvr House, Whitehall, London, S.W.I. ' Series B,—Copies of all notices in this series will be supplied, as issued, to persons such as licencees of public-use aerodromes and to organisations such as light aeroplane clubs and air transport and air survey companies, if application is made to the Air Ministry7 at the address given above. There will be no general distribution of these notices to individual pilots or aircraft owners, but persons desiring! information concerning a particular country or route can obtain copies of the relative notices, if any, upon application to the Secretary, Air Ministry (C.A. 4), Gwydyr House, Whitehall, London, or from one of the undermentioned sources :— Automobile Association, Fanum House, New Coventry Street, W.I. Royal Aero Club of the United Kingdom, 3, Clifford Street, W.I. National Flying Services, Ltd., London Air Park, Hanworth Park, Middlesex. Series C. & D.—Copies of these Notices, in addition to copies of Series A Notices, will be supplied to subscribers to the Supplements to Volumes I and II of The Air Pilot, respectively, provided that the special Request Forms, which will appear in the Supplements from time to time, are com- pleted and returned to the Secretary, Air Ministry, (C.A. 3.). (4) All past Notices to Airmen should now be considered as cancelled or discontinued with the exception of the following Notices, which should be retained for reference pending their cancellation or replacement by a new Notice in the near future : — General Notices.—1930: Nos. 1 (Reprints Nos. 6-10, 12-18 and 26), 7 and 8 1931: No. 4. Navigational Warnings.—1931 : Nos. 3, 4, 5 and 6. Certain other past Notices not listed above are being re-issued immediately with any necessary amendments, in the appropriate series. Air Ministry, April 1, 1931. (Series A. No. ] of 1931.) • To be published shortly. Forms of Application for Civil Pilots' Licences (1) The form of application for civil pilots' licences (C.A. Form 2A) has recently been revised and reprinted as two separate forms, viz. :— C.A. Form 2. Application for Pilot's Licence—Class B (Public Transport or Aerial Work). C.A. Form 2A. Application for Pilot's Licence—Class A (Private flying). (2) Flying clubs, schools or other organisations which may be in possession of small supplies of the obsolete C.A. Form 2A are requested to destroy them and to arrange for their replacement, as necessary, by supplies of the revised forms. Applications which have been originated on the form hitherto in use will be carried through on that form, but it is essential that all applica- tions made after the receipt of this Notice should be preferred on the new pattern forms. (3) Small supplies of the revised forms may be obtained on application to the Secretary (C.A.2) Air Ministry, London, W.C 1. (Series A. No. 2 of 1931.) Air Navigation Regulations (1) The attention of all pilots and other persons engaged in air traffic over Great Brtiain and Northern Ireland is drawn to the necessity of keeping themselves familiar with the air navigation regulations, etc., already in force and of acquainting themselves with the amendments and additions to these regulations as issued. (1) A list of the air navigation regulaions, etc., at present in force in Great Britain and Northern Ireland, can be purchased from H.M. Stationery Office, Adastral House, Kingsway, W.C.2, or through any bookseller. (3) New regulations, adding to, amplifying or amending the existing regulations, are issued from time to time. Brief particulars of these are published in Notices to Airmen. (Series A. No. 3 of 1931.) NOTICES TO AIRMEN, SERIES A No. 4 of 1931 Flights Across the Irish Sea. Procedure for Reporting This notice gives the procedure to be employed for reporting the passage of aircraft across the Irish Sea from Holyhead to Baldonnell aerodrome, also the similar procedure which may be carried out in the reverse direction for aircraft returning from the Irish Free State. No. 5 of 1931 Flight on Croydon-Lympne Air Route in Conditions of Bad Visibility This notice gives the routes to be followed and regulations for obviating danger of collision between civil aircraft proceeding to or leaving Croydon aerodrome and R.A.F. aircraft in conditions of bad visibility. Alternative routes are given for use under such conditions, the following of which is necessitated when a " Fog Notice " is issued by the Chief Aerodrome Officer at Croydon aerodrome. No. 6 of 1931 Flights Across the Straits of Dover. Arrangements for Reporting and Search This gives the procedure to be carried out by aircraft equipped with radio and also that which those not so equipped are advised to follow. Further information is given as to the circumstances in which search and rescue operations to aircraft in distress in the Straits of Dover are instituted. No. 7 of 1931 Emergency Communication between Aircraft and Ships This gives the method to be followed when aircraft wish to communicate with ships for some urgent reason, such as calling their attention to another aircraft in distress. No. 8 of 1931 Altitude for Flying Across the Straits of Dover Gives the height at which aircraft should be flown across the Straits of Dover. A table gives the route and the suggested minimum safe flying height for various-engined aircraft. No. 10 of 1931 Cranbrook Air Light, Altered Period This notice announces the increase of the period Of the Cranbrook Light from 7 sec. to 10 sec. The alteration is only experimental and is designed to increase the visibility of the light by prolonging the duration of each of the three flashes. NOTICES TO GROUND ENGINEERS No. 24 of 1931 Modification of Sutton Harness Owing to a fatal accident being attributed to the use of the two-pronged safety pin, a three-pronged type is in future to be fitted on this harness. No. 25 of 1931 D.H. 60 X G. & M. " Moth " Aircraft. Main Plane Locking Bolts Modification to the bottom front spar locking bolt of " Moth " aircraft. The tapered end is shortened owing to it having been found that the.bolthas exhibited a tendency to ride forward on the taper under load. Air Mall to Australia. REPLYING to Lieut.-Com. Kenworthy, Mr. Montague, on April 2, said that arrangements had been made between the Air Ministry and Imperial Airways, Limited, for the operation of two experimental flights, in each direction, between London and Australia, which in effect would be an extension of the existing London-Karachi and Karachi-Delhi services. The first through flight would start from London on April 4 and the second on April 25. The route after Delhi would be via Allahabad-Calcutta-Akyab-Rangoon- Victoria Point-Singapore-Batavia-Sourabaya-Koepang-Port Darwin, where the first mail was due on April 19 and the second on May 10. Imperial Air- ways, Limited, were endeavouring to make arrangements With an Australian company to provide an onward connection to towns in Queensland and New South Wales, Any letter prrpaid at the inclusive rate of ga, tor the first half-ounce and 7d. for each additional Sali-OUnce would be accepted for Calcutta and Rangoon. The question of the establishment of a regular air mail service would depend on whether financial assistance was forthcoming from the Governments concerned. The Treasury have agreed, to a subsidy for these two experimental flights, on the understanding that Australia will be told that that is all we can spend on the service until they are in a position to contribute. Netheravon Transferred to No. 22 Group NETHERAVON was transferred from No. 23 Group to No. 22 Group, onMarch 1, 1931. Andover Staff College THE Air Ministry announce that the qualifying examination for the eleventh course at the R.A.F, Stafi College, Andover, will be held from January 26 to 29, 1932, inclusive, only the voluntary papers being set on the last day. Lists of names of officers recommended are to be forwarded so as to reach the Ministry by November 1, 1931. 348
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