Appendix E: Glossary -Cont.

T-34C INSTRUMENTS

APPENDIX E

FINAL APPROACH SEGMENT The segment of an instrument approach between the FAF

and the MAP.

FIX A geographical position determined by reference to one or more radio NAVAIDS. A fix

can be defined as the actual location of the NAVAID, a distance and radial from a NAVAID, or

the crossing point of two different radials from two different NAVAIDS.

FLIGHT PLAN Specified information provided to air traffic control facilities, relative to the

intended flight of an aircraft.

FLIGHT SERVICE STATION (FSS) A facility operated by the FAA to provide flight

assistance service.

GROUND CONTROLLED APPROACH (GCA) A Radar approach system whereby a

controller interprets a radar display, transmitting approach instructions to the pilot by radio, to

place the aircraft in position for landing. The approach may use airport surveillance radar (ASR)

providing course and range information, or precision approach radar (PAR) providing course,

range, and glideslope information. Usage of the term "GCA" by pilots is discouraged. Pilots

should specifically request a "PAR" or "ASR" approach.

HEADING The direction in which the longitudinal axis of the aircraft is pointed, usually

expressed in degrees magnetic from North.

HEIGHT ABOVE AIRPORT (HAA) The height of the MDA above the published airport

elevation. HAA will be published in conjunction with all circling minimums.

HEIGHT ABOVE TOUCHDOWN (HAT) The height of the DH or MDA above the highest

runway elevation in the touchdown zone. HAT will be published in conjunction with all

straightin minimums.

IDENT A request for a pilot to activate the aircraft transponder identification feature. This

will help the controller to confirm an aircraft identity or to identify an aircraft.

INITIAL APPROACH FIX (IAF) The fix depicted on an Instrument Approach Procedure

chart that identifies the beginning of the initial approach segment.

INITIAL APPROACH SEGMENT That part of an instrument approach between the Initial

Approach Fix and the intermediate or Final Approach Fix or point.

INITIAL CONTACT The first radio call you make to a given facility or the first call to a

different controller.

INSTRUMENT APPROACH PROCEDURE (IAP) A series of predetermined maneuvers

for the orderly transfer of an aircraft under instrument flight conditions from the beginning of the

initial approach to a landing or to a point from which a landing may be made visually.

E-3

GLOSSARY