The engineering firm, which supplies equipment to planemakers including Boeing and heavy equipment maker Caterpillar, said its profit before tax for the six months ended June 30 was 11.1 million pounds ($13.52 million), compared with 22.3 million pounds a year earlier.

($1 = 0.8212 pounds)

(Reporting by Eva Mathews in Bengaluru; editing by Uttaresh.V)