![]() ![]() Although the weapons have limited range, and their accuracy is affected by poor visibility and adverse weather, they can be fired from anywhere on land or from boats where there is unrestricted visibility to the target. Terrorists choose MANPADS because the weapons are low cost, highly mobile, require minimal set-up time, and are easy to use and maintain. The potential for MANPADS use against airborne aircraft is real and requires familiarity with the subject. MAN PORTABLE AIR DEFENSE SYSTEMS (MANPADS)- MANPADS are lightweight, shoulder-launched, missile systems used to bring down aircraft and create mass casualties. MAKE SHORT APPROACH- Used by ATC to inform a pilot to alter his/her traffic pattern so as to make a short final approach. This value will vary depending on the particular friction measurement equipment used. MAINTENANCE PLANNING FRICTION LEVEL- The friction level specified in AC 150/5320-12, Measurement, Construction, and Maintenance of Skid Resistant Airport Pavement Surfaces, which represents the friction value below which the runway pavement surface remains acceptable for any category or class of aircraft operations but which is beginning to show signs of deterioration. The phrase “climb and” or “descend and” normally precedes “maintain” and the altitude assignment e.g., “descend and maintain 5,000.”Ĭoncerning other ATC instructions, the term is used in its literal sense e.g., maintain VFR. The principle objective is to achieve improved utilization of the airspace and to ensure that separation between successive aircraft does not decrease below the established minima.Ĭoncerning altitude/flight level, the term means to remain at the altitude/flight level specified. MACH TECHNIQUE - Describes a control technique used by air traffic control whereby turbojet aircraft operating successively along suitable routes are cleared to maintain appropriate MACH numbers for a relevant portion of the en route phase of flight. MACH NUMBER- The ratio of true airspeed to the speed of sound e.g., MACH.
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