MONTREAL Oct 22 (Reuters) - Montreal-area Sonaca workers

who produce parts for Boeing's ( BA ) 787 as well as business

jet makers Bombardier and Gulfstream voted by

98% this week to authorize a strike, their union said on

Tuesday.

Workers at the plant, a subsidiary of Belgian aerospace

supplier Sonaca, can legally strike as of 2025 if talks fail to

produce a labor agreement, where a key issue is higher pay, said

Benoit Pepin, president of the union local represented by the

Confederation des syndicats nationaux.

It's the latest case of labor tensions in the aerospace

industry that is grappling with shortages of parts and workers

while seeing ripple effects from a five-week strike by more than

33,000 U.S. West Coast Boeing employees.

Sonaca's Montreal plant manufactures wing and tail section

aerostructures for commercial and business aviation, including

horizontal empennage spars for the Boeing 787, which is produced

in South Carolina and not impacted by the planemaker's strike.

A spokesperson for Sonaca's Montreal plant was not

immediately available for comment.