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A Designated Engineering Representative (DER) is an engineer who is appointed under 14 CFR section 183.29 to act on behalf of a company or as an independent consultant (IC). [62] The DER system enables the FAA to delegate certain involvement in airworthiness exams, tests, and inspections to qualified technical people outside of the FAA. [ 63 ]
AOC 2: Aeronautical operational control: AOG Aircraft on ground: AOM 1: Aircraft operations manual AOM 2: Airport/aerodrome operating minima AOP Airport operating plan AP Autopilot: A/P Airplane (US), Aeroplane (ICAO) APARS Automatic pressure altitude reporting system APC Auto pilot computer APIRS Attitude and positioning inertial reference ...
The clearance can also specify a departure procedure (DP) or standard instrument departure (SID) that should be followed unless "NO DP" is specified in the notes section of the filed flight plan. [citation needed] En route flight is described by IFR charts showing navigation aids, fixes, and standard routes called airways.
[1]: 11 The aircraft's No. 2 (tail-mounted) engine had accumulated 42,436 hours and 16,899 cycles of operating time immediately prior to the accident flight. [1]: 12 The DC-10 used three independent hydraulic systems, each powered by one of the aircraft's three engines, to power movement of the aircraft's flight controls.
During the late 1990s, Boeing considered replacement aircraft programs due to slowing sales of the 767 and 747-400.Two new aircraft were proposed. The 747X would have lengthened the 747-400 and improved efficiency, and the Sonic Cruiser would have achieved 15% higher speeds (approximately Mach 0.98) while burning fuel at the same rate as the 767. [2]
There is a considerable amount of lawful unlicensed activity (cordless phones, wireless networking) clustered around 900 MHz and 2.4 GHz, regulated under Title 47 CFR Part 15. These ISM bands —frequencies with a higher unlicensed power permitted for use originally by Industrial, Scientific, Medical apparatus—are now some of the most crowded ...
The road has a level 2 road maintenance status described as "assigned to roads open for use by high-clearance vehicles" that includes the following attributes: "surface smoothness is not a consideration" and is "not suitable for passenger cars." [333] [334] The road is open for 14.4 miles (23.2 km) and terminates at the summit's parking area. [312]