The phrase "allowed it fly" is not correct in standard written English.
The correct form would be "allowed it to fly." You can use this phrase when discussing permission given for something to happen or to be done, particularly in a context involving movement or action.
Example: "After much consideration, she finally allowed it to fly, trusting that it would succeed."
Alternatives: "permitted it to fly" or "let it fly."
The success of the 747 was ensured by the fact that its huge wings and fuel tanks allowed it to fly farther than any other plane.
He slashes the ball towareds the back post, where Etuhu allowed it to fly behind for a kick out.
The chicken-sized creature, named Xiaotingia zhengi in honour of the scientist who established the museum as a repository for vertebrate fossils, shared several features with Archaeopteryx, including long, sturdy forelimbs that presumably allowed it to fly.
CNN has won an interesting waiver regarding its commercial drone operating license with the FAA – an exemption that allows it to fly its Vantage Robotics Snap drone over open-air crowds of people at altitudes of up to 150 feet.
Heating experts de-iced the helicopter allowing it to fly to Glenmore Lodge, before it was flown to RAF Lossiemouth.
Then, taking these air space rights into consideration, choose a flight path for the GlobalFlyer that will allow it to fly the smallest possible distance, avoid no-fly zones, and still complete an around-the-world flight as stipulated in the article.
During successful tests, it flew through the air using almost no moving parts and a special air-breathing system that allows it to fly so fast.
Without the cash injection from Greybull Capital, Monarch would have lost its Air Travel Organiser's Licence (Atol), which allows it to fly package holidaymakers.
Each bat was released by allowing it to fly freely from the hand and then its orientation direction was monitored using a receiver (AR8200) and handheld antenna from the release site and when the signal disappeared the direction it had vanished in was recorded, along with the time taken to vanish.
