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Aviation History
1949
1949 - 1708.PDF
472 FLIGHT, 6 October 1949 CIVIL AVIATION NEWS . . . that both aircraft were airworthy and their documentation inorder; the members of both crews were qualified; Air Traffic Control was not involved, as the collision occurred outside anyControl Area or Zone; the weather was cloudless with good visibility—estimated at six miles—and there was a bright sun.As no apparent avoiding action was taken by either aircraft it was concluded that the pilot of the Anson (Pit. II K. Snwala)did not see the Dakota, owing to the glare of the sun, and that the pilot of the Dakota (Capt. S. McDermott) did not see theAnson. This was attributed to failure on the part of the captain of each aircraft to ensure the maintenance of an effec-tive look-out. "MET" DEVELOPMENTS THE annual report of the Meteorological Office, publishedrecently,* reveals that several photo-electric visibility meters have been installed at selected stations as a means of measuring visibility at night. Preliminary reports have shown satisfactory results. Work has also been started on the development of an instrument to measure oblique visibility It is intended primarily for obtaining observations * Price 9d, H.SI. Stationery Office. from which it should be possible to advise pilots at what distance they shonld be able to see airfield lighting. Of great navigational importance in view of impending jet- aircraft operation is the news that the first draft of the charts of the upper winds have been produced and manifolded. These charts give information as to the mean winds and wind variability up to 30,000ft for most of the world, and up to 50,000ft for the northern hemisphere. In addition, research is being carried out to determine the magnitude of wind and temperature variations with time, height and place. Temperature variations, particularly, are of obvious importance in the operation of jet aircraft. The existence of narrow, high-velocity air-streams in the upper air is being studied and statistics of cloud in the upper atmosphere are being collated. The report reveals a slight reduction in the number of report- ing stations in the British Isles making regular synoptic observations. To supplement reports received from meteoro- logical offices some 50 auxiliary reporting stations are main- tained, particularly in the more remote districts. At these centres part-time observers undertake to make regular observa- tions in accordance with a programme. Further progress has been made in implementing the international agreement to establish 13 weather stations in the North Atlantic. Five more stations commenced operating in September, bringing up to n the total number of ocean weather stations from which regular surface and upper air observations are received. British Airways* Operating Statistics for 3tay9 iff iff (Figures for the corresponding period in 1948 are given in parentheses) • - Passengers carried ... >w2~£O c*rriefl * Mail (tons) rre«g4it (tons) Overall revenue load-lactor (per cent) Passengers (No.l Total (Ib) Average capacity :Seats (No.)... Total Ob) .: Average length of haul (miles) : Passenger Mail Hours flown : Revenue : Passenger services ... Cargo services Charter and speeiaJ flights Non-revenue ... Equivalent annual utilization (revenue hours flown) per aircraft Unduplicaced roues miles in opera- tion at end of period Percentage regularity Average length of stage flights(miles) B.E.A. All Divisions 61,982 (52,3/9) 266.3 (146.7) 513.9 (331.7) 61.3 (.58.0) 14.5 (12.6) 3 233 (2,719) 23.1 (20.9) 5 27814.689) 294 (264) 474 1348) 510 (514) 8,317 (7,802) 59! (276) 178 (52) 739 (314) 1 771 (t',263) • 13,363 Ul.i80) :97.8 (97.6) 203 , ('73) 8.E.A. Continental Division 27,908 (18,503) 167.1 (52.2) 364.2 (236.2) 62.9 (66.5) 154 (15-8) 3 581 (3,595) 23.9 (23.4) 5691(5.402) 438 (467) 656 (718) 642 • (652) 4.712 (3.318) 591 <7V6t 12 I2S UI9) i.l',416) ***** &,17T)96.9 (98.9) • • '••• 3*5 '(381) B.E.A. BritishDivision 34,074 (33,8/6) 99.2 (94S) 149.7 (95.5) 56.9 (4S.3) 13,0 (9.3) 2 529 (',774) 21.7 (18.3)4,443 (3,919) 173 (15/)172 ((44)190 ('74) 3,605 (4,484) 166 (52) 186 (118) i 077 2,942 (2.S07) 98.3 <97.2) J13 ("2' B.O.A.C. All Divisions 11,944 ((0,682) 131.8 (147JO) 303.0 (274.5) 59.8 itOS) 17.8 (15.3) 5 273 (4,535) 26.4 (23.3) BJJI2 (7,49/) 2.845 (3fl38)4,762 (4450) 3 686 (3,'/77) 9,338 (H.H8)1,073 (904) 101 (644) 772 (1,893) i 077 U.Wi 65,340 (60,55*) 95.2 (99.1, 1 035 (947) B.O.A.C. Western Division 3,446 13.133) 33.0 (25.6) 54.1 <4/~5) 59.3 <48.6) 29.1 (20.6) 6,306 (5,6.54) 4J.0 (42.4) 10,627C',584) 2,187 (2.286) 3,766 (3,488) 2,997 (2,952) 1,033 (1.421) <70 048) 122 (606) 7.703 (8^2r.100.0 (98A) IJ0B6 H.I38) B.O.A.C. EasternDivision 8,498 (7.S49) 98.8 (121.4) 284.9 (233.0) 60.0 (64.0) 16.0 (14.2) 5 070 (4,340) 24.3 C9.6)8 454 (6^78) 3,111 (3.348) 5,095 (4,774) 3 836 (3.2(6) 8,305 (9,697) 603 (904) 201 (496) 650 (1.287) 57,640 (S2JD3I) 97.9 (99.2) IjQ2£ (920) B^:A.A. 1,537 (IJ63) 13.1 (14.9) 35.5 (5/,7) 33.0 (blJO) 9.7 (10.4) 3,236 (4.082) 20J V8J)8 SI2 (6^95) 1,958 (3J78)5,161 (5,538) 4607 (5,254) 1,461 (2./06) 310 (55) 879 <3S) 322 (178) 1 762(t'.4IB) 16,217 </8.*78) 98.9 (98.0) 987a.ns) LOAD ton-mileage (passengers, mail and freight) flown bythe British Airways Corporations in May, 1949, amounted to 7,220,000, an increase of 8.5 per cent over the correspond- ing month last year. Passenger-mileage increased by 8.3 per cent and freight and mail ton-mileage by 2.4 per cent and 17.4 per cent respectively. Traffic carried by B.S.A.A. declined, but B.E.A. reported substantial increases and their overall revenue load-factor rose from 58 per cent in May, 1948, to 61.3 per cent in May, 1940; the greatest increase was shown by the British Division, whose load factor rose from 45.3 to 56.9 per cent. The number of passengers carried by B.E.A.'s Continental Division during the month established a record. Hours flown by B.E.A. aircraft on training flights at Alder- maston in May, 1948, and CranneJd in May, 1949, are included above in "Non-revenue boars flown" under the heading "B.E.A. All Divisions," as they cannot be divided between the Divisions. Statistics fof the operation of scheduled services in associa- tion with B.E.A. show that 498 passengers were carried durinf,' April, 1949, and 2,444 in May, with an overall revenue load factor of 27.5 and 38.8 per cent respectively. During the two months the respective percentage regularity was 95.5 and 99.5 per cent. In issuing these last figures the M.C.A. stresses that as the statistics are compiled on the basis of returns received from operators at the time of publication they may therefore be incomplete. B 20
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