HAL’s ba­sic trainer air­craft be­gins ‘spin test’

The Hindu Business Line - - NEWS -

HAL’s ba­sic trainer air­craft HTT 40 be­gan the chal­leng­ing ‘spin test’ by suc­cess­fully do­ing two-turn spins and re­cov­er­ing with ap­pro­pri­ate con­trols.

Two test pi­lots un­der­took the first spin en­try test­ing on Fri­day. The air­craft was pi­loted by Gp Capt (Retd) KK Venu­gopal, DGM-Test Pi­lot (FW), and Gp Capt S Chaki (Retd), Se­nior Test Pi­lot (FW). The stall test­ing is al­ready com­plete.

‘Boost to HAL’

R Mad­ha­van, CMD, HAL, said the suc­cess­ful start of the spin test­ing gives a boost to HAL and also re­stores cred­i­bil­ity of HAL in suc­cess­fully de­sign­ing a spin-wor­thy air­craft.

The spin test­ing is the most cru­cial and chal­leng­ing as­pect of flight test­ing of any air­craft devel­op­ment pro­gramme. HAL’s Air­craft Re­search and De­sign Cen­tre (ARDC) had con­ducted ex­ten­sive wind tun­nel test­ing and math­e­mat­i­cal model analy­ses to ar­rive at the HAL’s ba­sic trainer HTT 40 un­der­go­ing spin test­ing

spin char­ac­ter­is­tics of the air­craft.

The en­tire study is put to test dur­ing those first few mo­ments of the spin test.

Ac­cord­ing Arup Chat­ter­jee, Di­rec­tor (En­gi­neer­ing and R&D), the PSQR test points have been met and the spin com­ple­tion is the last met­ric which needs to be ac­com­plished be­fore the air­craft en­ters ser­vice.

In fact, HTT 40 ex­ceeds the Pre­lim­i­nary Ser­vices Qual­i­ta­tive Re­quire­ments (PSQR) on most fronts and of­fers a tech­no­log­i­cally ad­vanced prod­uct.

The project started its de­tail

de­sign in Au­gust 2013 with in­ter­nal fund­ing and made its way to the spin test in just five years. The De­fence Ac­qui­si­tion Coun­cil (DAC) has ap­proved pro­cure­ment of 70 Ba­sic Trainer Air­craft from HAL.

Mad­ha­van con­grat­u­lated the de­sign and project teams for the timely start of the crit­i­cal test phase. The project has moved at a break-neck speed and stuck to com­mit­ted mile­stones, thereby set­ting new bench­marks in project ex­e­cu­tion and man­age­ment.

The pro­duc­tion clear­ance for HTT 40 is ex­pected to be ac­corded by the end of this year.

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