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The C check is performed approximately every 20–24 months, or a specific number of actual flight hours (FH), or as defined by the manufacturer. This maintenance check is much more extensive than the B check, requiring a large majority of the aircraft's components to be inspected. This check puts the aircraft out of service for 1–4 weeks.
DO-160, Environmental Conditions and Test Procedures for Airborne Equipment is a standard for the environmental testing of avionics hardware. It is published by the Radio Technical Commission for Aeronautics (RTCA) and supersedes DO-138.
These codes are used to describe technical delay reasons. 41 (TD): Aircraft defects. 42 (TM): Scheduled maintenance, late release. 43 (TN): Non-scheduled maintenance, special checks and / or additional works beyond normal maintenance. 44 (TS): Spares and maintenance equipment, lack of or breakdown.
Operational loads monitoring (OLM) is a term given to act of investigating the characteristics of a structure in its normal operating environment. This term is often used to describe programs involving aircraft to extending their in-service life in a manner that does not compromise flight safety. [1] A typical program would involve the ...
FAA Practical Test. A practical test, more commonly known as a checkride, is the Federal Aviation Administration examination which one must undergo in the United States to receive an aircraft pilot's certification, or a rating for additional flight privileges. The name refers to the portion of the examination in which the candidate being ...
Spar (aeronautics) In a fixed-wing aircraft, the spar is often the main structural member of the wing, running spanwise at right angles (or thereabouts depending on wing sweep) to the fuselage. The spar carries flight loads and the weight of the wings while on the ground. Other structural and forming members such as ribs may be attached to the ...
The control loading systems are designed to allow situating the actuators closer to the pilot. This is necessary for mission training systems [1] that can be easily deployed and moved around the world. Control Loading Systems are similar in design to active sidesticks. These provide cues to pilots during the flight via actuation systems.
Load factor (aeronautics) In aeronautics, the load factor is the ratio of the lift of an aircraft to its weight [1][2]: § 5.22 and represents a global measure of the stress ("load") to which the structure of the aircraft is subjected: where. is the weight. Since the load factor is the ratio of two forces, it is dimensionless.