aaee. aim. see. mein jaari rakhaa

nirantar vee. aff. aar. aaee. aim. see. taba hotaa haye jaba drishya udaan niyamon key tahat sanchaalit ack vimaan jaanboojhkar yaa anajaane mein upkaran mausam sambandhi sthitiyon mein pravesh kartaa haye. jameen parr drishya sandarbh key binaa ack vimaan udaane seey ack ghatana hoe sakati haye jise sthaanik dishahinta key roop mein jaanaa jaataa haye, jisase pilot koo usa konn, oonchaai aur gati koo galat samajhane kaa kaaran bunn sakata haye joe way yatra curr rahey hain. ise samanya vimanan mein ack bahut hii gambhir suraksha khatra maanaa jaataa haye. aopa kii noll report key anusaar, lagbhag 4 pratishat samanya vimanan durghatanaaen mausam seey sambandhit hain, phir bhee yeye durghatanaaen sabhi mauton mein seey 25 pratishat seey adhik key liye jimmedaar hain.
upkaran mausam sambandhi sthitiyon mein anajaane mein pravesh.
yadi udaan key dauran mausam bigadata haye yaa vimaan baadlon mein udataa haye, tou vee. aff. aar. key tahat shuru hui udaan aaee. aim. see. key tahat udaan mein badal sakati haye. ise aaee. aim. see. mein vee. aff. aar. yaa upkaran mausam sambandhi sthitiyon (aaee. aaee. aim. see.) mein anajaane mein pravesh key roop mein jaanaa jaataa haye. aaee. aaee. aim. see. ack khatarnak sthiti haye jisake parinamswarup kaee durghatanaaen hui hain, kyonki pilot binaa drishya sanketon key sthaanik bhatkaav key adheen hoe sakate hain, jisase niyantran khou jaataa haye yaa bhoobhaag mein niyantrit udaan hoe jaati haye. sanghiya vimanan prashaasan key aankade bataate hain kii lagbhag 15 pratishat samanya vimanan durghatanaon mein sthaanik bhatkaav ack kaarak haye; unamen seey lagbhag 90 pratishat ghaatak hain. anya aankade bataate hain kii samanya vimanan durghatanaon kaa 4 pratishat mausam key kaaran huaa; una mausam seey sambandhit durghatanaon mein seey 50 pratishat aaee. aim. see. mein vee. aff. aar. key parinamswarup hui, aur aaee. aim. see. durghatanaon mein vee. aff. aar. kaa 72 pratishat ghaatak thaa.
ilinois vishvavidyalaya dwara 1954 mein aayojit "180-degree turn prayog" mein, bees chhaatr pilots ney vee. aff. aar. seey nakali aaee. aim. see. mein udaan bharee; pravesh key baad, way sabhi antatah 20 seey 480 sekand kii avadhi mein ack khatarnak udaan sthiti yaa drishtikon taka pahunch gaye. ack khatarnak sthiti taka pahunchane kaa ausat samay 178 sekand thaa, joe 1993 mein sanghiya vimanan prashaasan dwara vitarit "178 sekand too live" lekh key sheershak mein pratidhwanit huaa; haalaanki, mool 1954 key adhyayan koo ack vimaan kaa anukaran karane key liye nott kiya gayaa thaa, jisake vishayon key saath bahut cumm yaa koee anubhav naheen thaa, aur kewal ack aanshik upkaran panel pradaan kartaa thaa. isake alawa, praarambhik mulyankan seey "178 sekand" kaa ausat samay nikala gayaa thaa; aaee. aim. see. seey baahar nikalane key liye ack maankeekrit prakriya key liye prashikshan key baad, pratyek chhaatr pilot kaa teen baar pareekshan kiya gayaa thaa, aur 60 mein seey 59 parinami nakali udaanon key parinamswarup safaltapurvak ack niyantrit avrohan huaa joe ack khatarnak sthiti taka pahunche binaa cloud deck seey baahar nikla.

