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IL.II.E.K1h

Knowledge

Aircraft systems, including:

Pitot-static, vacuum/pressure, and associated flight instruments

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Get a short, cited explanation of this element written from the FAA handbooks: the core idea, the numbers that matter, common test traps, and a quick self-check.

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From the FAA library

  • Chapter 8: Flight Instruments › Electronic Flight Display (EFD)

    Trapped static pressure causes the altimeter to freeze at the altitude where the blockage occurred. In the case of the VSI, a blocked static system produces a continuous zero indication. [Figure 8-11] Some aircraft are equipped with an alternate ... static source in the flight deck. In the case of a blocked static source, opening the alternate static source introduces static pressure from the flight deck into the system. Flight deck static pressure is lower than outside static pressure. Check…

  • Chapter 9: Techniques of Flight Instruction › Postflight Evaluation › First Solo Flight

    First Solo Flight During the learner’s first solo flight, the instructor needs to be present to assist in answering questions or resolving any issues that arise during the flight. To ensure the solo flight is a positive, confidence-building ... experience for the learner, the flight instructor needs to consider time of day when scheduling the flight. Time of day is a factor in traffic congestion, possible winds, sun angles, and reflection. If possible, the flight instructor needs access…

  • Chapter 6: Flight Controls › Flight Control Systems › Primary Flight Controls

    Flight Control Systems Flight Controls Aircraft flight control systems consist of primary and secondary systems. The ailerons, elevator (or stabilator), and rudder constitute the primary control system and are required to control an aircraft safely during flight. Wing flaps, leading ... control system and improve the performance characteristics of the airplane or relieve the pilot of excessive control forces. Primary Flight Controls Aircraft control systems are carefully designed to provide adequate responsiveness to control inputs while allowing a natural feel…

  • Chapter 9: Techniques of Flight Instruction › Integrated Flight Instruction › Development of Habit Patterns

    Integrated Flight Instruction Integrated flight instruction is flight instruction during which learners are taught to perform flight maneuvers both by outside visual references and by reference to flight instruments. For this type of instruction to be fully effective ... instrument references should begin the first time each new maneuver is introduced. No distinction in the pilot’s operation of the flight controls is permitted, regardless of whether outside references or instrument indications are used for the performance…

  • Chapter 8: Flight Instruments › Blocked Pitot System

    Figure 8-10. Blocked pitot system with clear static system. It can be inferred that airspeed indication must be based upon a relationship between these two pressures, and indeed it is. An ASI uses the static pressure as a reference ... pressure and as a result, the ASI’s case is kept at this pressure behind the diaphragm. On the other hand, the dynamic pressure through the pitot tube is connected to a highly sensitive diaphragm within the ASI case. Because…

  • Chapter 8: Flight Instruments › Blocked Static System

    Blocked Static System If the static system becomes blocked but the pitot tube remains clear, the ASI continues to operate; however, it is inaccurate. The airspeed indicates lower than the actual airspeed when the aircraft is operated above the altitude ... where the static ports became blocked because the trapped static pressure is higher than normal for that altitude. When operating at a lower altitude, a faster than actual airspeed is displayed due to the relatively low static pressure trapped…