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Show HI FIGURE i PiflCjLOT Three Large Machines Made Ready and Routes Are Planned SW FRANCISCO, Nov. 27. Thej next great flying operation to engage the attention of the whole world i the Crossing of i lie Pacific ocean, ac-, cording to Air Service news letter, aj war department publication of the Information proup of the army air nervice. issued to keep the personnel of the air servlcel nformed. Discussing the project, the Air Service Ser-vice news letter says: Looked at from any point of view.' i- win be the moxt. difficult feat attempted at-tempted by aircraft, and the man who succeeds in the undertaking "ill have won the highest place In the annal". of aeronautics 'As early as March 1920. the Manufacturers Manu-facturers Aircraft association announced an-nounced that the L'nlted States navy1 had In preparation two boats of triple engine power designed especially for tr. UU -Pacific flying. " f the two routes proposed for i rossinK the great expanse Of water, 'one stretches from the San Krancisco 'b.i tn 1 longkong." China a distance of 7. Klii nautical miles. Stops could be made :it Honolulu. W'nke Island. Guam 'and Manila. These Jum ps measure a p-proximately p-proximately as follows. San 1'rancls-co 1'rancls-co to Honolulu, 2000 miles; Honolulu to W iUe slofld to Guam 1320; Guam to Manila 1820; Manila to Hongkong. f HORTEST U nil j "The shortest routo possible, how-'ever. how-'ever. would follow somewhat closely the Great Circles steamr.hlp route, and would cut the distance to approximately approximate-ly 3500 or 3700 nautical miles. Sup-poslng Sup-poslng the fllei to hop off from Victoria, Vic-toria, his first Jump would bring him to Sitka, thence next to I'nlmak Pas i in tho Aleutians and so to Yokohama. "While the more northerly route offers of-fers the advantage In point of distance 'mo long as we are In the present experimental ex-perimental stage of knowledge as rc-;gards rc-;gards aeronautics, other questions suggest sug-gest themselves that must be taken i into consideration before a choice 'could be determined. The fogs familiar fam-iliar to the Great Circle route would ladd to the airmen's difficulties pro-Aided pro-Aided they extend to a very great altitude al-titude into the air lanes. It Is probable, prob-able, howexer. that fairly good visibility visi-bility would extend, say tn 20,000 feet above sea-level from December to February, Feb-ruary, during which period the fogs 'are less apparent "In this reghm, also, high winds, 'another factor to be reckoned within the airman's calculation, come, broadly broad-ly epeaklng from two main sources jand operate In two different directions. direc-tions. A strong southeasterly wind from southern Japan sweeps up across I the Pacific to the Aleutian:-, uhll-' (from South America a gale .sweeps up the coast In a north-westerly dirt t lion FLIGHT FROM SIDNEY "While plans are being considered or. thl side for the trans-Paclf Ic I flight from England comes nnnouncc-ent nnnouncc-ent that an airplane is being built for a flight from Sidney, Australia to San Francisco- From Sidney to the Fill inland the jump would be 1 748. to Honolulu L." . 7 r , them e to Ban Kran- "In anticipation of this event and of its logleal results, a schedule "f I tranv-oceanii flights might be made out reading somewhat as follows: Hal-I Hal-I Ifax to Ireland In tw,. days; New York to Liverpool, two and a half days, San Francisco to Sidney three days, Van-. Van-. couver to Yokohama, three a half days; around the world In twenty-: Sight dSTB allowing for four stops of j j two days each. "It Is reasonable safe to predict that I I the plane that performs the trans-1 I Paclfle flight will he isrjrer, perhaps 'twice OS lar;e. as any of the XC class., which crossed the Atlantic." |