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Contact photographer Frank Robitaille
What: United Express/Skywest Canadair CRJ-200 en route from Denver to Tulsa
Where: Denver
When: Mar 17th 2012
Who: 49 passengers, 3 crew
Why: After takeoff from Denver, the flight was still above Denver when smoke was indicated in the lavatory.
The pilot returned to make a safe landing with emergency services on standby. Passengers disembarked safely with no reported injuries (and no fire found) and were ported to the gate.
Needful Maintenance? Smoke alarm? Fumes burning off the engine? Someone smoking in the bathroom? Inquiring minds want to know.

Yamal Airlines flight YC-943 had to return and make an emergency landing at Domodedovo International Airport, Moscow Oblast, Russia, on September 1st.
American Airlines flight AA-1157 made an emergency landing at Miami International Airport, Florida, on December 28th.