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Aviation History
1921
1921 - 0788.PDF
\ • _ ;-••'•'•• .."••;. ~- NOVEMBER 24, 1921 NOTICES TO AIRMEN France : Military Aerodromes ; St. Inglevert, etc. 1. Use of Military Aerodromes, etc.—A list has been issued of military or naval aerodromes and seaplane stations avail- able for use by civil aircraft in cases of emergency only, i.e., when pilots are unable to reach a civil air station. In the case of those marked with an asterisk, thus *, which are joint military and civil aerodromes, pilots should land preferably on the portions reserved for civil use, and should then proceed towards the civil hangars and control offices. Assistance can only be given by the French military authorities in exceptional circumstances, and in all cases only so far as the personnel and material available, permit. (i) Aerodromes.—Aulnat, Avord, Bitche, Cazeaux, Chateau - Roux (La Martinerie), Colmar, *Dijon (Longvic), Dogneville, Douai (La Brayelle), Etampes, Frescaty, Haguenau, Istres, _La Perthe, *Le Bourget, *Le Bron (Lyons), Le Val-Dahon, Luxeuil, Malzeville, Ochey, Pau, Romilly-sur-Seine, Romor- antin (Pruniers), Saint Cyr, Saint Dizier, Saint Raphael, Sommesous, *Strasbourg (Neuhof), Thionville (Basse-Yutz), Toul, Tours, Villacoublay, Villeneuve-les-Vertus. (ii) Seaplane Stations.—Berre, Brest, Cazeaux, Cherbourg, Hourtin, Saint Raphael. (Particulars are given on the notice of Geographical and Local position, accommodation, etc.) 2. Telephone Numbers.—The telephone numbers of the Ajaccio and Orleans air stations are :—Ajaccio, 87 : Orleans, Aydes, No. 17. 3. Previous Notices.—The following Notices to Airmen are cancelled :— By Para. 1 :—Para. 1 (" Military Stations," Page 4) of No. 98 of 1920, No. 6 of 1921, and para. 3 (1) of No. 68 of 1921. By Para. 3 :—No. 71 of 1921. The following is amplified :—By Para. 2 :—Para. 3 of No. 36 of 1921. (No. 97 of 1921.) France : Position of Le Bourget Lighthouse Changed NOTICE to Airmen No. 98 of 1920 (Section i, Aerodromes : Le Bourget) is amended as follows :— The. lighthouse on Le Bourget aerodrome which was situated on the south side of the aerodrome has now been moved to the N.E. corner in the angle between the Route de Flandres and the Moree brook. (No. 98 of 1921). Switzerland : Geneva Customs Aerodrome and Sea- plane Station TH E following information amends and amplifies previous Notices to Airmen relating to Switzerland :— I. Customs Aerodrome. Geneva (Cointrin) Civil Customs Aerodrome, under the control of the Public Works Department, Geneva. Position.—Latitude 46° 14' o" N., Longitude 6°. 6' o" E. Situated 4J kms. N.W. of Geneva on the north side of the Geneva-Lyons road and ij. kms. N.E. of the village of Vernier. Description.—Dimensions for landing, 1,000 metres (N.E. to S.W.) x 550 metres (N.W. to S.E.). Altitude 1,430 ft. Surface hard and dry, slightly sloping from the centre to all sides. Hangars, buildings and high tension electric cable and the village of Cointrin on the S.E. side. Work in progress on the N.W. side. The Jura mountains (5,600 ft.) lie to the W., at a distance of about 5 kms. Accommodation, etc.-—Four hangars, each 52 ft. (approx.) wide and one open shelter, 102 ft. widfe Facilities for small repairs. Large supplies of petrol and oil. Signals and Markings.—Near the centre of the ground is a large white circle, 50 metres-in diameter, on which the north point is indicated. The name "GENEVE," is marked in large white letters in the middle of the S.E. side, and the following other signals, with the exception of the landing arrow, are situated close by :— A Wind indicator in the form of a pennon or wind sleeve is displayed on a signal mast. Other signals on this mast are for the use of the ground staff and -should be ignored by pilots. The strength of the wind is indicated by three triangular signs on the ground showing either red, or white faces, to be read as follows :— White, white, white—Very light wind.^^ , . White, red, white—Moderate wind. , ' »~"j - '•.:-. Red, white, red—Strong wind. ' --. . Red, red, red—Very strong wind (hurricane). ' -? The direction of the prevailing wind is N.E., i.e. roughly parallel to the longer sides of the aerodrome. The portion of the aerodrome to be used for landing is indicated by three rectangular signs, placed side by side, showing white or red faces. The aerodrome is' assumed to be divided lengthways into three parallel and equal strips and each sign represents that strip of the aerodrome with which its position corresponds. A white panel indicates that landing is permitted and red that it is prohibited. Thus, when the panels shown are white, red, white, landing may take place on each side but not on the middle of the aerodrome. In addition a large white arrow is also placed, when neces- sary, on that part of the aerodrome to be used for landing. The arrow points into the wind. The direction in which machines should turn when in the vicinity of the aerodrome is indicated by a white or red disc, white indicating a turn to the right and red a turn to the left. Telegraph and Telephone.—Telegraphic address : " Aero- drome, Gen ve." Telephone No. : Mont Blanc 4600 (Geneve.) 2. Customs Seaplane Station. Geneva (Eaux V'ives.) There is one small hangar in addition to the slipway at this station. 3. Previous Notices. Notice to Airmen No. 41 of 1921, Para. 2 (Cointrin), is cancelled by Para. 1 of this Notice. Notice to Airmen No. 117 of 1920, Para. 2 (6) (Eaux Vives), is amplified by Para. 2 of this Notice. (No. 99 of 1921.) Temporary Closing of Castle Bromwich and Didsbury Wireless Stations IT is notified that the W/T and R/T stations situated on the aerodromes at Castle Bromwich (Birmingham) and Didsbury (Manchester) will, as from Tuesday, 15th instant, and until further notice, be temporarily closed for traffic, and the meteorological reports hitherto transmitted to the Air Ministry will be discontinued. (No. 100 of 1921.) Securing of Ballast and Loose Articles carried in Aircraft. ATTENTION is drawn to the necessity of ensuring that ballast, personal luggage and other loose articles carried in aircraft in such a position that movement might cause them to fall out during flight, or to interfere with or foul the controls, should be properly secured before flight com- mences. , Cushions in the pilot's, mechanic's or passengers' seats should be so fixed that they cannot fall out or slip forward. It is recommended that, in cases where the standard cushion is not suitable for an individual pilot, a special cushion should be provided in preference to using several cushions that cannot readily be secured to the seat. Passengers, should be warned that it is exceedingly dan- gerous to drop any article from an aircraft in flight, and that any person contravening the Air Navigation Regulations in this respect is liable to six months' imprisonment or a fine of £200 or to both such imprisonment and fine. (No. 101 of 1921.) France : Marine Lighthouses 1. The following marine lighthouses on the French N.W. coast have now been unmasked to landward, in addition to those given in Notice to Airmen No. 68 of 1921. (a) Dunkerque. Lat. 510 03' N., Long. 2r' 22' E. Near the W. jetty. A white, group, flashing light, period 10 seconds, is exhibited from a white cylindrical tower on a rectangular base at a height of 193 ft. above high water. Visibility, 20 miles. Characteristics :—Flash, o-i sec; Eclipse, 2-4 sees.; Flash, o-i sec. ; Eclipse, 7-4 sees. (b) Calais. Lat. 500 58' N., Long. i° 51' E. On the N.E. side of the town. A white, group, flashing light, period 15 seconds, is exhibited from a yellow and white octagonal tower at a height of 190 ft. above high water. Visibility, 20 miles. Characteristics :—Flash, £ sec. ; Eclipse, 2 sees. ; Flash, f sec. ; Eclipse, 2 sees. ; Flash, £ sec. ; Eclipse, 2 sees. ; Flash, J sec. ; Eclipse, 6 sees. (c) Etaples Bay (Touquet Point). It-should be noted that this light still has a masked sector of 22° towards the E. The light cannot, therefore, be seen from 259° through W. to 2810 (bearing of the light from the aircraft). 2. Previous Notices. Notice to Airmen No. 68 of 1921, paragraph 4, is amplified by (a) and (b) and amended by (c) of paragraph 1 above. (No. 102 of 1921.) .-..,-:.. .--.- 788
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