** Shares of aircraft components maker TransDigm Group TDG.N up 1% at $1,448 in morning trading
** TransDigm to buy Jet Parts Engineering and Victor Sierra Aviation Holdings from Vance Street Capital for about $2.2 billion, including some tax benefits
** Demand for aircraft parts and maintenance is rising as airlines keep older jets in service amid delivery delays, boosting the lucrative aftermarket business
** In 2025, Jet Parts and Victor Sierra collectively generated about $280 million in revenue
** TDG's stock has risen 12.2% in the past 12 months
(Reporting by Apratim Sarkar in Bengaluru)
((Apratim.Sarkar@thomsonreuters.com))