An army parachutist had to be rescued from Telstra Stadium's roof and another was forced down outside the Olympic venue when wind gusts blew them off course as they were about to land on the field before the NRL Grand Final.

Four parachutists from the crack Red Berets were scheduled to land in the stadium carrying team and national flags as part of the pre-match entertainment.

Only two made it - one falling heavily and injuring his knee.

He was taken to the ground's medical centre for treatment.

The other two parachutists were circling from the western side of the ground when they were hit by a strong wind shear and decided to abort their landings on the field for safety reasons.

One parachutist came close to a roof strut but managed to manoeuvre to land safely on the flat section of the roof.

"He was up there about 10 minutes before he was brought down through a man-hole," said stadium public relations and communications manager Kyle Patterson.

The fourth parachutist also aborted his landing and came down near Dawn Fraser Drive on the southern side of the ground.

Neither was injured.

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