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Aviation History
1919
1919 - 0614.PDF
MAY 8, 1919 State on application. The aircraft will either be handed over to the applicant at the official aerodrome for removal, or will be delivered by an official pilot to an aerodrome selected bv the applicant, and approved by the Secretary of State. 13. On the satisfactory completion of the official trials, and after the com pletion to the satisfaction of the Secretary of State of any modifications con sidered necessary for safety, a certificate of airworthiness will be issued. Prior to the issue of such certificate the applicant shall deliver to the Director ,of Research, air Ministry, a complete set of working drawings (process tracings) of the aircraft. SUBSEQUENT AIRCRAFT 14.. Following the receipt by the Secretary, Air Ministry, of an application form, duly completed, certificates of airworthiness for subsequent aircraft which conform in all essential respects with a type aircraft for which a certi ficate of airworthiness has previously been issued will be granted subject to the following conditions and procedure. 15. The applicant may make modifications (including change of engine type) to the aircraft and may depart from the approved complete set of working drawings (process tracings) of the type aircraft that are in the posses sion of the Secretary of State ; but full particulars and drawings of the pro posed modifications shall first be delivered to the Director of Research, Air Ministry, and such as affect the safety of the aircraft shall be approved by the Secretary of State. 16. During the construction of the aircraft the inspection of the work manship, construction and materials shall be as approved by the Secretary of State in accordance with detailed directions in para. 21 below. 17. In the case of an aircraft, which in the opinion of the Secretary of State differs considerably from the type aircraft, or in the case of an aircraft built by a constructor not familiar with the type aircraft, on completion of the aircraft, the Secretary of State may require flying trials to be carried out, by the applicant's or constructor's pilot, in the presence of his repre sentatives, and /or may require the aircraft to be delivered to the official aerodrome for additional trials. The procedure in this case will be in accord ance with the procedure governing similar trials in the case of a type aircraft, as laid down in paras. 10, n and 12 hereof. 18. On the satisfactory completion of .the aircraft and of any trials that may be required by the Secretary of State, and when any modifications considered necessary for safety have been completed to the satisfaction of the Secretary of State, a certificate of airworthiness will be issued. Prior to the issue of such certificate, the applicant shall deliver to the Director of Research, Air Ministry, a complete set of working drawings (process tracings) of any modifications to or departure from the type air craft. TO. In the foregoing; directions the term " aircraft " includes the aircraft and all equipment (unless the context otherwise implies), except that working drawings will not be required for engines or equipment of approved types. METHOD OF APPROVAL OF WORKMANSHIP AND MATERIALS 20. Type Aircraft.—(a) Inspection of type aircraft will be carried out by representatives of the Secretary of State. (6) The Director of Aircraft Inspection will accept wherever in his opinion possible the inspection of details, components and /or materials for type air craft made by employees of the constructor under the supervision of his representative, but each component will be finally inspected and approved by a representative of the Director of Inspection, who will co-operate with the constructor's inspecting staff. Constructors must notify Director of Aircraft Inspection seven days before commencing work on any part of the aircraft, the inspection of which is necessary prior to furtherWork. (c) The constructor must also fulfil the conditions detailed hereunder for subsequent aircraft. 21. Subsequent Aircraft.—(a) Constructors must satisfy the Secretary of State that their inspecting staff is such as to ensure that aircraft passed by them conform in all essential respects to the type design. (b) Constructors must purchase material to the specifications approved for the type design, and must arrange that each and every batch of such material is proved to comply with such specifications by suitable examination, sampling and testing, as may be approved bv the Director of Aircraft Inspec tion. (e) Constructors must make such arrangements at their works as will preclude the use of material other than that approved as in para, (b) above. d) Constructors' inspecting staffs, referred to in 21 (a) above, must stamp or otherwise provide means for the identification of each and every detail, in such a way that the individual responsible for such approval can subse quently be traced, selective inspection being adopted where considered possible. (e) Constructors must issue only details or parts approved as in para, (<f) above to the shops for assembly into components. /) Constructors must maintain an efficient process inspection during such work of assembly, and record such inspection on a process card for each com ponent. Every component must be finally inspected by a qualified member of their inspecting staff, who will stamp the component in such a way that he may afterwards be identified, and will also sign the process card. (g) Constructor's methods of carrying out the following operations must be approved by the Director of Aircraft Inspection, or other recognised authority, viz. : Heat-treatment of steel, seasoning and conversion of timber, glueing of important parts, and doping. (h) Constructors must ensure that all instruments and other parts affecting airworthiness purchased from sub-contractors have been inspected and approved in accordance with these conditions. (t) Constructors (aircraft or engine as may be arranged) must ensure that all engines have been inspected and approved in accordance with these conditions, and further, that they have satisfactorily undergone such bench tests as are required by the Secretary of State, and for this purpose that suitable test stands and accessories are provided to the satisfaction of the Director of Aircraft Inspection. (j) Aircraft constructors must carry out an efficient inspection of the nstallation of all engines, instruments and parts that are fitted by them into the aircraft, such inspection to ensure that they function correctly, the indi vidual responsible being indicated by a signature on the process card referred to above. (k) Constructors must limit the power of their inspection staff to grant concessions to matters which do not affect the weight, the strength or the functioning of the part. Should any of these points be affected, the matter must be referred to the designer of the aircraft, and if affecting the type design, to the Director of Research as laid down for modifications to type designs. IV.—Persons Competent to Undertake Periodical Inspection and Overhaul and Examination before each Flight of Aircraft 1. With reference to Regulation 2 (1) and Schedule III (3 and 5-10), the following is the procedure for any person desirous of being licensed as a com petent person, hereinafter referred to as " ground engineer," to undertake the inspection of periodic overhauls of aircraft required to be certified as air worthy, or as a competent person to examine such aircraft before each flight. 2, Applications for licences should be made to the Secretary, Air Ministrv, London, W.C. 2. 3. Application forms will be supplied on demand. 4. Subsequent to the forwarding to the Secretary, Air Ministry, of an application form for a ground engineer's licence, the candidate will be re quested to report to a local representative of the Director of Aircraft Inspec tion for examination. At this examination the candidate will be required to submit proof :•— (a) That he is .not less than 21 years of age. (b) That he has served at least two years as a mechanic or engineer on internal combustion engines, or a like period on aircraft construction or main tenance, or a period of not under three years on joint aero, engine and air craft construction or maintenance. 5. A candidate may apply to be licensed as a ground engineer to overhaul and inspect all flying machines and/or engines after overhaul and each day before flight ; or may apply for a licence limited to the inspection of any named type or types of flying machine or engine either after overhaul and /or each day before flight. 6. Candidates will be required to submit proof of knowledge:— (a) For engines : Of the general principles of internal combustion engines applied to aircraft, including the general principles of ignition, carburaticn lubrication and cooling ; knowledge of the inspection, testing and adjust ments necessary for the installation and functioning of the complete pewer unit in the aircraft ; and the capacity to supervise, or inspect running repairs and/or overhaul of particular engines. b) For flying machines : The general principles of construction, rigging. trueing-up and adjustment of flying machines ; a detailed knowledge of construction, adjustments, maintenance and final inspection of the flying machine's components ; and the capacity to supervise, or inspect running repairs, and /or the overhaul of specified types of flying machines. 7. The examination may be in part written, and in part oral. Candidates may be required to give practical proof of knowledge. 8. Aircraft certified daily by such licensed ground engineers will be eriodio- ally re-inspected by a person or persons duly authorised by the Secretary of State, who reserves the right to suspend or revoke licenses granted as above should such certified aircraft be deemed by him as a result of such examina tion to be unsafe. 9. Ground engineers certifying flying machines or engines as airworthy after overhaul, must be in a position to certify that all the conditions required for the inspection of subsequent aircraft during construction that apply to the overhaul have been carried out. The Secretary of State reserves the right to suspend or revoke the licence of the ground engineer responsible for certifying that the overhaul has been correctly carried out, should a test inspection be deemed by the former to indicate that the flying machine is not airworthy. 10. Ground engineers' licences will be issued at a charge of 5s., and will be valid for a period of twelve months, and will then te subject to renewal. The Secretary of State reserves the right to re-examine the candidate for renewal, if considered necessary. ir. In the event of any applicant being required to undergo a practical examination, a further fee of one guinea will be charged. Certificate No. PILOT'S CERTIFICATE OF GENERAL FITNESS OF AIRCRAFT BEFORE FLIGHT Flying Machine Type Registration No Preparatorv to Flight from on Time to " Loading Total weight of the aircraft including all items of load does not exceed lbs. Loading (including placing of passengers) such that the centre of gravity of the aircraft is within the specified limits Petrol, oil and water sufficient for proposed journey Name Officers and Creive Duty Licence No. Number of passengers. This aircraft is considered fit in every way for the proposed journey. Signed Date 13- Certificate No DAILY CERTIFICATE OF SAFETY OF AIRCRAFT Flying Machine Type Registered No Inspection at on time I hereby certify that I have this day examined the above flying machine and that I consider it safe in every way for flights to cay when ictded ;s specified in the Certificate of Airworthiness. Signed (Ground Engineer). Date I hereby certify that I have this day examined the engines, engine installa tions and accessories of the above flying machine, and that in my opinion they are in every way safe for flights to-day. Signed (Ground Engineer). Countersigned Date NOTE.—Both certificates may be signed by the same individual if licensed for both flying machines and engines. V.—Instructions for Use of Log Books 1. With reference to Regulation 2 (3) and Schedule V, the several log books should contain the information shown below. 2. The constructor should fill in and sign the original entries in the log book, as far as he is in a position to do so. Subsequent entries should be made and signed by the pilot or competent person. 3. A copy of the certificate of airworthiness should be kept in the pocket at the end of the aircraft log book. 4. All entries to be in ink, except in the case of journey and signal log books, the entries for these may be made in pencil in a rough notebook, but should be entered in ink in the log book every 24 hours. In the event of any official investigation the rough notebook may be called for. 5. No erasures should be made in, nor pages torn from, any log book. 6. A copy of these instructions should be inserted in each log book. I.—Journey Log.—(a) Type to which the aircraft belongs : its nationality and registration marks ; the name, Christian names, nationality and resi dence of the owner ; name of contractor and the carrying capacity. (6) In addition for each journey :—(i) The name, nationality and residence of the pilot and crew, (ii) The place, date and hour of departure, the route followed, and all incidents en route, including landings and weather condi tions. II.—Aircraft Log.—-(a) Type to which the aircraft belongs, its nationality and registration marks, the name, Christian names and nationality and residence of the owner, name of constructor and the carrying capacity, and capacity of tanks. (6) Type and series number of engine, type of propeller showing number, pitch, diameter and maker's name, (c) Type of wireless apparatus fitted, (d) Table showing the necessary rigging data for the information of persons in charge of the aircraft and of its maintenance. («) 614
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