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Pilot/Controller Glossary

4/3/14

PCG F−3

FLAMEOUT PATTERN− An approach normally

conducted by a single-engine military aircraft

experiencing loss or anticipating loss of engine

power or control. The standard overhead approach

starts at a relatively high altitude over a runway

(“high key”) followed by a continuous 180 degree

turn to a high, wide position (“low key”) followed by

a continuous 180 degree turn final. The standard

straight-in pattern starts at a point that results in a

straight-in approach with a high rate of descent to the

runway. Flameout approaches terminate in the type

approach requested by the pilot (normally fullstop).

FLIGHT CHECK− A call-sign prefix used by FAA

aircraft engaged in flight inspection/certification of

navigational aids and flight procedures. The word

“recorded” may be added as a suffix; e.g., “Flight

Check 320 recorded” to indicate that an automated

flight inspection is in progress in terminal areas.

(See FLIGHT INSPECTION.)

(Refer to AIM.)

FLIGHT FOLLOWING−

(See TRAFFIC ADVISORIES.)

FLIGHT INFORMATION REGION− An airspace of

defined dimensions within which Flight Information

Service and Alerting Service are provided.

a.

Flight Information Service. A service provided

for the purpose of giving advice and information

useful for the safe and efficient conduct of flights.

b.

Alerting Service. A service provided to notify

appropriate organizations regarding aircraft in need

of search and rescue aid and to assist such

organizations as required.

FLIGHT INFORMATION SERVICE− A service

provided for the purpose of giving advice and

information useful for the safe and efficient conduct

of flights.

FLIGHT INFORMATION SERVICE−

BROADCAST (FIS−B)− A ground broadcast service

provided through the ADS−B Broadcast Services

network over the UAT data link that operates on 978

MHz. The FIS−B system provides pilots and flight

crews of properly equipped aircraft with a cockpit

display of certain aviation weather and aeronautical

information.

FLIGHT INSPECTION− Inflight investigation and

evaluation of a navigational aid to determine whether

it meets established tolerances.

(See FLIGHT CHECK.)

(See NAVIGATIONAL AID.)

FLIGHT LEVEL

− A level of constant atmospheric

pressure related to a reference datum of 29.92 inches

of mercury. Each is stated in three digits that represent

hundreds of feet. For example, flight level (FL) 250

represents a barometric altimeter indication of

25,000 feet; FL 255, an indication of 25,500 feet.

(See ICAO term FLIGHT LEVEL.)

FLIGHT LEVEL [ICAO]− A surface of constant

atmospheric pressure which is related to a specific

pressure datum, 1013.2 hPa (1013.2 mb), and is

separated from other such surfaces by specific

pressure intervals.

Note 1: A pressure type altimeter calibrated in

accordance with the standard atmosphere:
a. When set to a QNH altimeter setting, will
indicate altitude;
b. When set to a QFE altimeter setting, will
indicate height above the QFE reference datum;
and
c. When set to a pressure of 1013.2 hPa 
(1013.2 mb), may be used to indicate flight levels.

Note 2: The terms ‘height’ and ‘altitude,’ used in

Note 

1 above, indicate altimetric rather than

geometric heights and altitudes.

FLIGHT LINE− A term used to describe the precise

movement of a civil photogrammetric aircraft along

a predetermined course(s) at a predetermined altitude

during the actual photographic run.

FLIGHT MANAGEMENT SYSTEMS− A comput-

er system that uses a large data base to allow routes

to be preprogrammed and fed into the system by

means of a data loader. The system is constantly

updated with respect to position accuracy by

reference to conventional navigation aids. The

sophisticated program and its associated data base

ensures that the most appropriate aids are automati-

cally selected during the information update cycle.

FLIGHT MANAGEMENT SYSTEM PROCE-

DURE− An arrival, departure, or approach procedure

developed for use by aircraft with a slant (/) E or slant

(/) F equipment suffix.

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