What happened to MH 370? And other aviation news links.

Air Canada will start flying more widebodies - with flat-bed seats in business class - between Toronto and major cities in the west, including San Francisco, Vancouver and Los Angeles. Photo: Air Canada. 

Air Canada will start flying more widebodies - with flat-bed seats in business class - between Toronto and major cities in the west, including San Francisco, Vancouver and Los Angeles. Photo: Air Canada. 

Good morning, everyone. These are the stories I have been following this week. 

Southwest Airlines said Tuesday it was temporarily grounding 128 737-700s because of a maintenance oversight. Arizona Republic.

What happened to Malaysia Airlines Flight 370? Private pilot and science writer Jeff Wise shares his theory in New York magazine. 

JetBlue Airways still wants international flights at its Long Beach, Calif. focus city. But first it needs a customs facility. Cranky Flier. 

Air Canada is going to offer more flat-beds in business class on important North American routes, such as Toronto-Los Angeles, Toronto-San Francisco and Toronto-Vancouver. Frequent Business Traveler. 

Remember when you could smoke on airplanes? I don't. But the New York Times reminds us of what flying in the U.S. was like before 1990. 

Flight attendants only work 80 hours per month. So what's the catch? Heather Poole, a flight attendant at a major airline, tells all in Mashable. 

Blogger Gary Leff wants airlines to improve their coffee. I agree. But you probably have to improve the water and heating mechanism, too. 

Emirates will resume flights to Baghdad on March 1. AP 

Is the Essential Air Service program - it gives government subsidies to small cities so they can have airline service - a "Boondoggle In The Sky." CBS News "investigated" and found some waste. You can watch the segment below.