Although policies put in place to reduce pilot error are not universal across the world, there are varying guidelines about how long a pilot can captain a flight, how many co-pilots should be present and how many hours a pilot can fly before taking mandatory breaks.

BBC: How human error can cause a plane crash

Among non-flight-related services, co-branded credit cards that, for example, award airline miles for purchases, are the biggest source of revenue, as airlines get per-transaction fees from the card-issuing banks.

FORBES: Airlines' Fee Revenue Doubles Since 2008

The family said they stayed up all night after learning that Shaw was co-pilot on the fateful flight.

CNN: Musicians, 9/11 widow, family man among plane crash victims

Also sometime during the flight, a Continental Airlines flight attendant was in the rear galley with co-workers preparing a serving cart when she observed Sawyerr walking towards the rear of the aircraft and enter the bathroom.

FORBES: Sexual Predators At 20,000 Feet As Feds Charge Another In-Flight Groper

The Air Comet co-pilot and a passenger aboard the same flight also saw the light.

CNN: Brazilian air force says debris was not from Air France crash

Clement co-stars in a TV series called "Flight of the Conchords" coming this month from HBO.

NPR: Kiwi Comedian Brings 'Smash Hit' Projects to U.S.

"The Delhi-Bangalore flight was then diverted to Bhopal where it landed safely with the co-pilot in command, " The Hindu reports.

BBC: Indian media: Police violence

Two flight attendants had already been stabbed, she said, while identifying her co-workers by their crew numbers.

CNN: Flight 11 attendant reported events prior to crash

The court said it was detaining Mr Budimir and his co-accused aide, Petar Barisic, because of the danger of flight.

BBC: Zivko Budimir arrested in Sarajevo. 26 April 2013

Swiss pilot Bertrand Piccard and British co-pilot Brian Jones landed about 20 km from the nearest road after their epic flight which made aviation history, smashing records as it went.

BBC: Desert touchdown for balloon heroes