HAL’s spin test for trainer air­craft HTT 40 suc­cess­ful

The Hitavada - - NATION -

IN A boost to de­fence PSU HAL, its Hin­dus­tan Tur­bo­prop Trainer (HTT 40), a Ba­sic Trainer Air­craft, com­menced its most awaited phase of the ‘spin test’ by suc­cess­fully en­ter­ing into two-turn spin and sub­se­quently re­cov­er­ing with the ap­pro­pri­ate con­trols.

The air­craft was pi­loted by Gp Capt (Retd) K K Venu­gopal, DGMTest Pi­lot from front cock­pit and Gp Capt S Chaki (Retd), Sr Test Pi­lot (FW ) from rear, a Hin­dus­tan Aero­nau­tics Lim­ited (HAL) re­lease said. Ac­cord­ing to HAL, the spin test­ing is the most cru­cial and chal­leng­ing as­pect of flight test­ing of any air­craft devel­op­ment pro­gramme.

HALs Air­craft Re­search and De­sign Cen­tre had con­ducted ex­ten­sive wind tun­nel test­ing and math­e­mat­i­cal model analy­ses to ar­rive at the spin chac­ter­is­tics of the air­craft. The en­tire study was put to test dur­ing the first few mo­ments of spin test­ing, it said. HAL CMD R. Mad­ha­van said the suc­cess­ful start of the spin test­ing gave a boost to HAL and also re­stored its cred­i­bil­ity in suc­cess­fully de­sign­ing a spin wor­thy air­craft. Arup Chat­ter­jee, Di­rec­tor (En­gi­neer­ing and R&D) said the spin com­ple­tion was the last met­ric which needed to be ac­com­plished be­fore the air­craft en­tered ser­vice. s a mat­ter of fact, HTT 40 ex­ceeds the Pre­lim­i­nary Ser­vices Qual­i­ta­tive Re­quire­ments on most fronts and of­fers a tech­no­log­i­cally ad­vanced prod­uct than its com­peti­tor, Chat­ter­jee said.

HAL said the project started its de­tail de­sign in Au­gust 2013 with in­ter­nal fund­ing and quickly made its way to the spin tests in mat­ter of five years.

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