One of the helicopters involved in the search for a prominent Quebec businessman and his son crashed Sunday.

Quebec provincial police said those on board were transported to hospital with minor injuries.

Stéphane Roy — the president and founder of the company that sells greenhouse-grown produce under the Savoura brand — and his son were expected to return by helicopter from their cottage in Quebec's Mauricie region on Wednesday.

The pair has not been heard from since.

The Canadian Armed Forces has been searching possible flight paths from the cottage to the family home in the Saint-Jérôme area.

The search area, originally 20,000 square kilometres, has now been reduced by about 40 per cent.

"We are now putting our resources in an area that is much smaller," said Maj. Christian Labbé.

The rescue helicopter crashed on property belonging to Roy's company, Les Serres Sagami, in Sainte-Sophie, Que.

No distress signal from Roy's helicopter was received. The army says this could have been caused by missing, or malfunctioning, equipment.