THE solution seemed simple after a Malaysia Airlines jet vanished last year over the Indian Ocean: expand the use of technology that keeps tabs on airliners to find them if they crash.
Almost a year after the jet disappeared, however, regulators, safety advocates and the airline industry still can't agree on what to do.
The US National Transportation Safety Board (NTSB) has recommended tamper-proof devices to transmit the location of crashes, as well as beefed up flight data for investigators. An industry task force and the United Nations' aviation arm plan is meeting this week to consider proposed tracking options that, at least initially, don't include that.
In many ways, the lack of...