THLAWHTHEIHNA BLACK BOX

Digital Flight data recorder (DFDR), ADR-Accident Data Recorder tih bawk, hi electronic device a ni a, thlawhtheihna electronic system-a electronic instruction pek chhuah leh lâk apiang record-tu a ni. Specific aircraft performance parameters record nan hman a ni. Thlawhtheihna a tlak emaw accident emawa an zawn hmasak ber, data vawnghimtu a ni.
Hei hi “black box” tia hriat làr leh sawi țhin a ni bawk.

Data a record te chu accident investigation, leh air safety issue thil analyze nan te, thlawhna khâwl leh part tlachhia en nân te (material degradation) leh Engine thawh țhat leh țhat loh hriat nan (engine performance) te hman a ni bawk. Hetia a pawimawh em vang hian na tak leh chak taka vuak/khawn chawrh (high speed impact) dâwl zo tur leh meialh laka eng emaw chen him thei (heat of an intense fire) tura design a ni.

Underwater Locator Beacon (ULB) a nei bawk a, tuia a tlak chuan device pakhat, “pinger,” tih chu a activate ta thin a ni. Acoustical signal (37.5 KHz) chu special receiver-a dawn theih turin tuifinriat hnuai 14,000 ft (4,200 m) vela thuk atangin a pe chhuak thin a ni.

A RAWNG:
Tin, Black box tih a ni na a, a rawng hi kàngmei laka him tur (heat-resistant) serthlum rawng lar tak (bright orange paint)-a hnawih chhuah a ni țhin, a chhan chu accident palh pawha hmuh awlsam turin [comment hmasa berah a thlalak 😉 ]. Cockpit voice recorder (CVR) hi a bulah dah a ni țhin bawk a, chu chuan cockpit chhunga pilot-te inbiakna leh thalwhtheihna ațanga ATC inbiakna chi tin reng a record a, a pahnih hian unit khata dah dun a ni fo.

A AWMNA:
A dahna hmun hi thlawhna mei lam [aircraft’s empennage (tail section)]-ah a ni deuh ziah bawk. Hei hi thlawhtheihna a tlak pawha engine puak leh fuel kang laka him nana tih a ni. Airbus A320 series-hovah hi chuan a mei lamah hian ding lam (starboard side)-ah hawn theih kawngkhar tereuhte a awm a, chutah chuan luha downloader hmanga download țhin tur a ni. Chu chu Aircraft Maintenance Engineer hna a ni a, operations department lamah theh luh țhin tur a ni. Hei hi avionics engineer-ho hna a ni na a, keini Mechanical (Engine & Airframe) lam pawhin kan ti ngun hle. Thlawhna nâwt faitute leilawn kan hman țangkai hun lai ber a ni bawk awm e.

A HMING HI:
Science, computing, leh engineering, lamah chuan khâwl emaw, hmanrua emaw, taksa chi khat eng emaw pawh hi a thil dawn/lâk luh leh pek chhuah chauh hriat a, a chhunga a thawh dan tak hriat chian theih si loh a nih chuan ‘black box’ tia sawi a ni. A hna hlen chhuah dan (implementation) chu hriat loh/ thim chhah tak (“opaque/black) ang mai a ni. Hengte hi Black Box tia sawi a ni fo: a transistor, algorithm, mihring thluak.

Aviation bikah hian a hming put dan hi sawi dan hrang hrang dang a awm leh nuk a:
1. Thlalak siamtu thlalak siamna hmun- darkroom an tih ang maia a chhung lam hi a thim/dum a ngai a, recording data corruption ven nan. Chu vang chuan black box tia sawi a ni, an ti.

2. Cold War lai, kum 1950 chho khan a vawi khatna atan thlawhtheihna instrument reading mai ni lo, inbiakna audio thlenga record thei khâwl chu Australia mi David Warren-a’n a siam chhuak a, a rawng a sen lar vât vangin “Red Egg” tia sawi a ni nghe nghe.

Meeting țum khat an neihin journalist pakhat chuan, “Black box mak dangdai leh țha tak a nih hi,” tia a sawi ațanga hman țan nia sawi a ni. He unit hi EMI Minifon wire recorder, kum 1950 chhova West-German manufacturer Protona Monske siam inenthlakna hmanrua (espionage gadget) zulzuia siam a ni nghe nghe.

3. Sawi dan dang leh chu Indopui Pahnihna laia RAF (British Air force)-ho țawng hman uar a ni, tih a ni. Kum 1940-1945 hhung khan electronic khawl thar tam tak thlawhtheihna (a bikin bomber)-ah vuah chhin a ni a, entir nan: Oboe, GEE leh H2S. A hmasa lamho chu kuta siam thîr bâwm, enkhalh (reflection) dâl tura rawng dum hnawih-ah khung a ni hlawm vek a. Hun a vei deuh hnu chuan eletronic khawl thar apaiang chu “box-of-tricks” (mit dawivaih thiamte bâwm) emaw “black-box” emaw tiin an sawi zui ta zêl ni awm a ni.

Author : Samuel Lalrozâma Hmar

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