▁one ▁built . ▁G ad fly ▁III ▁Sal m son ▁A . D . 9 ▁radial - engine - power ed , ▁one ▁built . ▁ ▁Spec ifications ▁( G ad fly ▁II ) ▁ ▁References ▁ ▁Notes ▁ ▁Bibli ography ▁ ▁Category : 1 9 2 0 s ▁British ▁civil ▁utility ▁aircraft ▁Category : L ow - wing ▁aircraft ▁Category : A ircraft ▁first ▁flow n ▁in ▁ 1 9 2 9 <0x0A> </s> ▁The ▁Nad ab indu ▁Up an ish ad ▁( S ansk rit : ▁ न ा द ब ि न ् द ु ▁ <0xE0> <0xA4> <0x89> प न ि ष त ् , ▁I AST : ▁N ā d ab indu ▁Up ani ṣ ad ) ▁is ▁an ▁ancient ▁S ansk rit ▁text ▁and ▁one ▁of ▁the ▁minor ▁Up an ish ads ▁of ▁H indu ism . ▁It ▁is ▁one ▁of ▁twenty ▁Y oga ▁Up an ish ads ▁in ▁the ▁four ▁V ed as . ▁It ▁also ▁known ▁as ▁Am rita ▁N ada ▁B indu ▁Up an ish ad . () ▁ ▁The ▁text ▁exists ▁in ▁two ▁significantly ▁different ▁versions , ▁the ▁North ▁Indian ▁and ▁the ▁South ▁Indian . ▁These ▁manuscript s ▁are ▁respectively ▁attached ▁to ▁the ▁Ath ar v av eda , ▁or ▁to ▁the ▁R ig ved a . ▁ ▁Et ym ology ▁The ▁word ▁N ada , ▁being ▁a ▁V edic ▁termin ology ▁refers ▁to ▁as ▁the ▁un stru ck ▁sound ▁or ▁" An ah ata ▁N ada " ▁which ▁is ▁reported ▁as ▁a