LAS VEGAS – The Latest on an Allegiant Air flight to Knoxville, Tennessee, that returned safely to Las Vegas after reporting an in-flight aircraft navigation problem (all times local):

3:55 p.m.

An Allegiant Air official says a scheduled flight to Knoxville, Tennessee, had 141 passengers and six crew members aboard when it returned to Las Vegas due to an unspecified issue with a navigational display.

The email account by an airline spokeswoman who didn’t provide her last name corrected the number of people aboard the jet, 147, when it landed Monday morning at McCarran International Airport.

Airport spokeswoman Christine Crews says the pilot declared an in-air emergency a little before 10 a.m., and the twin-engine MD-80 and circled the area to burn off fuel before landing in Las Vegas at 10:47 a.m.

Crews had said there were 146 passengers and crew aboard, and that firefighters stood by as a precaution when the plane landed.

Allegiant says the aircraft taxied to a gate under its own power and passengers boarded a replacement aircraft for the flight to McGhee Tyson Airport. They departed a little before 1 p.m.

It says passengers also were given $100 vouchers for future Allegiant travel.

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3:15 p.m.

An airport official says an Allegiant Air flight bound for Knoxville, Tennessee, returned safely to Las Vegas after reporting an in-flight aircraft navigation problem.

McCarran International Airport spokeswoman Christine Crews said Monday that none of the 146 passengers and crew aboard Flight 434 was injured when the twin-engine MD-80 jet landed about 10:47 a.m.

Allegiant officials didn’t immediately respond to messages.

Crews says the pilot declared an in-air emergency a little before 10 a.m. and circled the area before returning to Las Vegas.

She says fire crews stood by as a precaution when the plane landed, but they weren’t needed.

Crews says she doesn’t have information about the aircraft’s equipment problem.