Boeing is expected to announce details about the software updates and other fixes it plans for its troubled 737 Max jets, but questions remain about whether the company and its regulators can be trusted to ensure that the planes are safe.
A grounded American Airlines Boeing 737 Max 8 is parked at Miami International Airport on March 14 in Miami.
In the first of what are likely to be several congressional hearings, Sen. Ted Cruz , chairman of the subcommittee on aviation and space, is scheduled to hold a session Wednesday afternoon on the state of aviation safety. Testimony is expected from Daniel Elwell, acting administrator of the Federal Aviation Administration, Robert Sumwalt, chairman of the National Transportation Safety Board, and Calvin Scovel, the Transportation Department's inspector general.
"The traveling public needs assurances that the FAA will only recertify the aircraft for flight if and when the FAA, outside safety and technical experts, and pilots agree the aircraft is safe to fly," DeFazio said. Elwell did not say. He said the certification process was robust, but later events added critical new information.
They put the updates in a real plane for an"engineering verification" flight with several steep or otherwise problematic maneuvers on Feb. 7, then held a certification flight with the FAA on March 12, two days after the Ethiopian Airlines plane crashed. Boeing officials also said the software updates will decrease the downward angle which the plane's nose is pointed when it is in operation, and will prevent it from repeatedly engaging once it is corrected.In the Oct. 29 Lion Air crash, a malfunctioning sensor and an automated response from the aircraft's software impeded the pilots' efforts to control the Indonesian flight from plunging into the sea, killing all 189 people on board, according to a preliminary investigative report.
In addition to making the warning light that alerts pilots to discrepancies between angle-of-attack sensors standard on all Max jets, Boeing said it will also give airlines the option of installing angle-of-attack indicators, which feed pilots information from the two sensors. Both have been available to airlines, but only for an additional charge, outraging a group of lawmakers — led by Sen. Edward J.
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