Photo detail

This South Rim view of the Grand Canyon was taken from one of the flight routes that cover national park. The government is trying to encourage quiet-technology aircraft to reduce noise pollution over the park. (Photo courtesy the National Park Service)

Stories this photo appears in:

Tease photo

FAA allows more 'quiet' flights over Grand Canyon

The Federal Aviation Administration said it will allow 1,721 additional flights through Grand Canyon National Park this year, with one catch: The tour flights will have to use quiet-aircraft technology.