Investigators plans briefing on New York City chopper crash

This photo released by the New York City Fire Department shows damage caused by a helicopter crash, south of Central Park in New York on Monday, June 10, 2019. The crash that killed the pilot and occurred near Times Square and Trump Tower shook the 750-foot (229-meter) AXA Equitable building sparked a fire and forced office workers to flee on elevators and down stairs, witnesses and officials said. (FDNY via AP)
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NEW YORK (AP) — Investigators are working to determine what caused a helicopter to crash into the roof of a midtown Manhattan skyscraper.

The National Transportation Safety Board scheduled a briefing for Tuesday afternoon.

The Monday crash killed the pilot, Tim McCormack. The former fire chief in upstate Clinton, New York, was an experienced pilot.

The crash shook the 750-foot (229-meter) AXA Equitable building, sparked a fire and forced office workers to flee.

The helicopter was flying in a driving downpour with low cloud cover and in tightly controlled airspace.

A flight restriction in effect since President Donald Trump took office bans aircraft from flying below 3,000 feet (914 meters) within a 1-mile (1.6-kilometer) radius of Trump Tower, which is less than a half-mile (0.8 kilometers) from the crash site.