Theres an old, tasteless joke from the mid-1990s, back when some Boeing 737s were having a problem with uncommanded rudder movement eventually traced to the hydraulic systems power control unit. The rudder hardovers were probable causes in two fatal U.S. accidents, and were suspected in other incidents worldwide.
Airlines For America (A4A) petitioned the FAA for a five-year exemption from the January 1, 2020, ADS-B Out mandate for some aircraft, citing difficulties in upgrading older GPS systems to meet position accuracy requirements.
Despite the FAA Administrator publicly stating that the 2020 deadline would not be extended, the FAA later indicated it is likely to approve A4A's exemption request.
This potential exemption for major airlines, while general aviation also faces significant compliance costs and older equipment, risks undermining the FAA's credibility and the efficiency goals of the ADS-B system.
There’s an old, tasteless joke from the mid-1990s, back when some Boeing 737s were having a problem with uncommanded rudder movement eventually traced to the hydraulic system’s power control unit. The rudder hardovers were probable causes in two fatal U.S. accidents, and were suspected in other incidents worldwide.
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