"On one hand, these results are in agreement with our findings from the West London School Study where aircraft noise exposure around Heathrow airport was weakly associated with mental health problems, " she said.

BBC: Traffic noise 'harms' child health

Dr Douglas-Hamilton's collars, however, simply record their data in memory chips until those chips are prompted to regurgitate their contents to a receiver on board an aircraft that flies over the study area once every few months.

ECONOMIST: Elephant behaviour

Importantly, many of the problems cited in the GAO study arise from the inappropriate evaluation of Block 10 aircraft against Block 30 standards they are not expected to be meeting at this point.

CENTERFORSECURITYPOLICY: Center for Security Policy | SUMMARY OF THE CENTER FOR SECURITY POLICY��S SECOND HIGH-LEVEL ROUNDTABLE ON THE FUTURE OF THE MANNED BOMBER FORCE

Gulfstream and aircraft designer Lockheed Martin Skunk Works are jointly engaged in a feasibility study on producing such a craft.

CNN: ASIANOW - TIME Asia | Travel Watch

Also, a study of nonsmoking flight attendants who worked when smoking was allowed on aircraft had higher lung cancer rates than nonsmoking airline employees who did not work onboard.

CNN: Is secondhand smoke really that risky?

Piloting small aircraft represents the riskiest type of transportation, according to fatality data analyzed for the study.

WSJ: Executive No-Fly Zone? When a CEO's Thrill-Seeking Rattles the Board

Careful study of when and where cancellations are most likely, and adjusting spare aircraft availability to keep flights moving if there is a breakdown helped, as did a rebuilt baggage system at its Atlanta hub to reduce lost luggage.

WSJ: Believe It or Not, Flying Is Improving

This is the ninth consecutive year JetBlue has earned the highest score in the study, thanks in large part to its appealing in in-flight services and comfortable new aircraft.

FORBES: America's Most Satisfying Airlines

Executives licensed to fly small aircraft led 176 of 2, 073 major public companies at some point between 1992 and 2009, a recent study says.

WSJ: Executive No-Fly Zone? When a CEO's Thrill-Seeking Rattles the Board