Sentry Aerospares acquires AirStart

On July 7, 2026, Sentry Aerospares (“Sentry”), a portfolio company of Acorn Capital Management (“Acorn”), announced the acquisition of AirStart Inc. (“AirStart”), a Canadian-headquartered global aviation aftermarket specialist, focused on the exchange and leasing of rotable parts for commercial aircraft. The acquisition expands Sentry's inventory portfolio, customer relationships, and capabilities in the regional aircraft market.

Acorn is a middle-market private fund manager focused exclusively on aerospace, defense, space, and intelligence.

Sentry specializes in providing rotable spares support to airlines worldwide, headquartered in the UK with existing global hubs in London, the New York metro area, and Dallas.

McCarthy Tétrault LLP acted as Canadian counsel to Acorn with a team led by Shevaun McGrath and David Choi that included Michael Shahinian, Ivor Selimovic, Nicholas Geringer and France Courtemanche (M&A), Debbie Salzberger, Alykhan Rahim and Madison Bruno (Antitrust/Competition & Foreign Investment), Patrick Pengelly and Andrew Weizman (Labour & Employment), Julia Miller (Pension, Benefits and Executive Compensation), Vincent Yip (Intellectual Property), Sarit Pandya and Joshua J. Wallace (Real Property & Planning), Martha Harrison and Oksana Migitko (International Trade & Investment), Una Radoja and Gwenyth Wren (Environmental), Brian Allen Lipson (Transportation and Logistics), D.J. Lynde, Zachary K. Kroll and Angela Oh (Financial Services), Raj Juneja, Suhaylah Sequeira and Quinn Finlay (Tax), Michael Scherman (Technology), Sarah Adler and Stéphane Duval (Immigration), Erica Barrera and Leah Bedder (Law Clerk).