UH-19B Chickasaw USAF Sikorsky RC Scale Model Helicopter
directors
hnub qub
Sikorsky H-19 Chickasaw (lub tuam txhab qauv nab npawb S-55) yog ntau lub hom phiaj nyoob hoom qav taub siv los ntawm US Army thiab USAF.
Nws kuj tau ntawv tso cai tsim los ntawm Westland Aircraft ua Westland Whirlwind hauv tebchaws United Kingdom.
Txoj kev loj hlob ntawm H-19 tau pib ntiav los ntawm Sikorsky yam tsis muaj tsoomfwv kev txhawb nqa. Lub nyoob hoom qav taub tau pib tsim los ua ib qho kev sim rau ntau lub tswv yim tshiab tsim los ua kom muaj peev xwm nqa tau ntau dua nrog kev saib xyuas yooj yim.
Thawj tus neeg siv khoom yog USAF, uas tau xaj tsib lub dav hlau YH-19 rau kev soj ntsuam; YH-19 thawj lub davhlau yog lub Kaum Ib Hlis 10, 1949.
Qhov no tau ua raws los ntawm kev xa thawj YH-19 mus rau USAF ntawm 16 Lub Plaub Hlis 1950 thiab xa thawj lub nyoob hoom qav taub HO4S-1 rau US Navy ntawm 31 Lub Yim Hli 1950.