Clearance
Clearance must be obtained before an aircraft enters controlled airspace according to the rule of Air. All aircraft wishing to do so must file a flight plan, either on the ground before flight, or in the air.
Air traffic clearance means an authorization by air traffic control, for the purpose of preventing collision between known aircraft, for an aircraft to proceed under specified traffic conditions within controlled airspace.
clearance - An authorization by air traffic control for an aircraft to proceed under specified conditions within controlled airspace.
CLEARANCE Formal instructions from air traffic control authorizing a specific route or action (climb or descend, entry into controlled airspace).
clearance - authorization from air traffic control to proceed as requested or instructed. Used for ground and air manoeuvring, thus "cleared for take off", "cleared flight planned route", "cleared to descend" etc.
Clearance and tapping drill sizes. more......
Ball Race
The inner or outer rings that form the tracks for the balls in a ball-bearing.
CLEARANCE VOID IF NOT OFF BY (TIME)- Used by ATC to advise an aircraft that the departure clearance is automatically canceled if takeoff is not made prior to a specified time.
Clearance Delivery is the position that issues route clearances to aircraft, typically before they commence taxiing. These contain details of the route that the aircraft is expected to fly after departure.
1. Clearance to fire. 2. In training, a fighter call to indicate kill criteria have been fulfilled.
KNOCK IT OFF
Directive to cease air combat maneuvers/attacks/activities.
CLR
Clearance (or cleared)
CLSD
Closed
CLUNK
Term used to describe the weighted end of the fuel pickup line in the fuel tank. The purpose of this is to ensure that the fuel pickup is always in th...
obstacle clearance, 12.3, 12.3, 1, 13.4
obstacle clearance, 12.1.3, 12.7.2, 12.7.3, 13.3, 13.3, 13.7, 16.17.1, 17.2.5, 20.2.2, 21.4
obstacle clearance , 20.2.4
obstructed field: See landing / takeoff, 12 ...
Approach Clearance: Authorization issued by air traffic control to the pilot of an aircraft for an approach for landing under Instrument Flight Rules.
Expect Departure Clearance Time. The time issued to a flight to indicate when it can expect to receive departure clearance. EDCTs are issued as part of Traffic Management Programs, such as a Ground Delay Program (GDP).
EMERG
Emergency ...
Special VFR is a clearance to operate in controlled airspace when the weather is worse than required for VFR. Other aircraft are kept out of the area and aircraft operating special VFR have to remain out of the clouds.
Traffic Advisories ...
OCH - obstacle clearance height. The lowest height above the elevation of the runway threshold or above aerodrome elevation used to establish compliance with obstacle clearance criteria in an instrument approach.
A pilot who does not hold an instrument rating must fly under VFR, which specify minimum cloud clearance and visibility requirements. In some countries other than the U.S., VFR flight at night is not permitted.
An ATC clearance is required for all aircraft to operate in the area, and all aircraft that are so cleared receive separation services within the airspace. The cloud clearance requirement for VFR operations is "clear of clouds." ...
Depending on the place we are landing, my descision to commit to a landing is dependent on a few major factors: power available and obstacle clearance.
VMC is generally defined as 5 miles visibility or more and 1,000 feet vertical and one nautical mile horizontal clearance from cloud, but variations apply to aircraft operating below 3,000 feet AMSL.
The clearance between the valve operating mechanism and the stems of the intake and exhaust valves should be checked over. All wiring must be clean and the insulation whole. It is important that all connections be tight.
An FAA program, first implemented for the Boeing 777, to give ``out-of-the-box'' ETOPS clearance to a new plane, rather than waiting for a couple of years of domestic service experience.
EFIS - Electronic Flight Instrument System ...
Based upon the intended route of flight, pilots will be issued an IFR "clearance" to operate.
The spacing between the anchor points should allow for wingtip clearance between aircraft of similar size, ie the fuselage length (or wingspan) of the largest expected aircraft plus some extra meters/feet clearance.
3B - This document, titled "TERPS" (terminal instrument procedures), contains obstruction clearance criteria for instrument procedures. Imaginary surfaces for each type of instrument procedure are described.
With Brad Gutman in the right seat, we get clearance to runway 36, and the first thing I notice is how well the comfortable, semi-reclined seating fits my five-foot, 11-inch, 175-pound frame. The cushions are just right-neither soft nor stiff.
After obtaining clearance from the pilot, switch on the laptop and click on the "Lab VIEW" icon. Open the "Flight Expt DAQ.vi" program it will take a few minutes to load the program (so please wait).
citizen, Tamas first had to get a security clearance so he obtained on filled out the required forms, submitting them that same day.
To achieve this high angle of attack, the fuselage geometry must allow ground clearance at take off and on landing (see figure 2).
Typically, this call is made to clearance delivery, which goes over the ATC routes and instructions the crew can expect from takeoff to landing.
decreased angle of climb reducing obstacle clearance capability after take-off;
higher take-off speeds imposing excessive loads on the landing gear, especially if the runway is rough;
reduced ceiling and rate of climb; ...
segmented type and has more limited obstacle clearance, depending upon the pressure
differential between the loop and the air cushion. Usually it gives fairly high drag over
undulating surfaces.
VFR (Visual Flight Rules) Regulations governing a flight for which no IFR flight plan is in effect. There are minimum visibility and cloud clearance limits for operating under VFR, but it may be day or night.
Turn her back in, give her clearance to re-enter controlled airspace...check the other aircraft I turned and make sure he's not going outside the airway...oh jesus more aircraft are calling me...okay climb him, descend that one and give him the ATIS..
PAL - Peripheral Station
PAR - Precision Approach Radar
PDC - Pre Departure Clearance
PIREP - Pilot Report ...
The retractable landing gear consisted of a nose wheel and two skids - to provide sufficient clearance part of the ventral fin had to be jettisoned before landing.
Duties are delineated in FM 55-9, Appendix B, FM 55-12, FORSCOM Reg. 55-12 paragraph 2-8, and Chapter 3 of this SOP. The AMCO must be an officer or NCO, E-6 or above, must have a secret clearance, and be retainable for one year.
The BRL is drawn to exclude the runway protection zones, the runway visibility zones required for clear line of sight from the airport traffic control tower, and all airport areas with a clearance of less than 35 feet (10.5 meters) beneath the FAR ...
the aircraft tries to maintain a constant height above the terrain, usually in the range of 100-1,000 ft; uses a g-command from the Multi-Mode Radar to generate a flight director cue. This controls the aircraft flight path so that the set clearance ...
to a pathetic idling and coughing as the rate of descent increased. I immediately abandoned any plans to cross the river. With the help of Boston Center, I selected and radioed into the nearby Chester airport for an immediate landing clearance.
 See also: Aircraft, Flight, Pilot, Aviation, Landing
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