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Pilot/Controller Glossary 

6/17/21 

vector or when radar contact is lost while the aircraft 
is being radar vectored. 

(See RADAR CONTACT LOST.) 
(See RADAR SERVICE TERMINATED.

)

 

RESUME PUBLISHED SPEED

 Used by ATC to 

advise a pilot to resume published speed restrictions 
that are applicable to a SID, STAR, or other 
instrument procedure. It is issued to terminate a speed 
adjustment where speed restrictions are published on 
a charted procedure. 

RHA

 

(See REFINED HAZARD AREA.) 

RMI

 

(See RADIO MAGNETIC INDICATOR.) 

RNAV

 

(See AREA NAVIGATION (RNAV).) 

RNAV APPROACH

 An instrument approach 

procedure which relies on aircraft area navigation 
equipment for navigational guidance. 

(See AREA NAVIGATION (RNAV).) 
(See INSTRUMENT APPROACH 

PROCEDURE.) 

ROAD RECONNAISSANCE (RC)

 Military activ-

ity requiring navigation along roads, railroads, and 
rivers. Reconnaissance route/route segments are 
seldom along a straight line and normally require a 
lateral route width of 10 NM to 30 NM and an altitude 
range of 500 feet to 10,000 feet AGL. 

ROGER

  I have received all of your last 

transmission. It should not be used to answer a 
question requiring a yes or a no answer. 

(See AFFIRMATIVE.) 
(See NEGATIVE.) 

ROLLOUT RVR

 

(See VISIBILITY.) 

ROTOR WASH

 A phenomenon resulting from the 

vertical down wash of air generated by the main 
rotor(s) of a helicopter. 

ROUND

ROBIN FLIGHT PLAN

 A single flight 

plan filed from the departure airport to an 
intermediary destination(s) and then returning to the 
original departure airport. 

ROUTE

 A defined path, consisting of one or more 

courses in a horizontal plane, which aircraft traverse 
over the surface of the earth. 

(See AIRWAY.) 
(See JET ROUTE.) 
(See PUBLISHED ROUTE.) 
(See UNPUBLISHED ROUTE.) 

ROUTE ACTION NOTIFICATION

 EDST notifi-

cation that a PAR/PDR/PDAR has been applied to the 
flight plan. 

(See ATC PREFERRED ROUTE 

NOTIFICATION.) 

(See EN ROUTE DECISION SUPPORT TOOL.) 

ROUTE SEGMENT

 As used in Air Traffic Control, 

a part of a route that can be defined by two 
navigational fixes, two NAVAIDs, or a fix and a 
NAVAID. 

(See FIX.) 
(See ROUTE.) 
(See ICAO term ROUTE SEGMENT.) 

ROUTE SEGMENT [ICAO]

 A portion of a route to 

be flown, as defined by two consecutive significant 
points specified in a flight plan. 

RPIC

 

(See REMOTE PILOT IN COMMAND.) 

RSA

 

(See RUNWAY SAFETY AREA.) 

RTR

 

(See REMOTE TRANSMITTER/RECEIVER.) 

RUNWAY

 A defined rectangular area on a land 

airport prepared for the landing and takeoff run of 
aircraft along its length. Runways are normally 
numbered in relation to their magnetic direction 
rounded off to the nearest 10 degrees; e.g., Runway 
1, Runway 25. 

(See PARALLEL RUNWAYS.) 
(See ICAO term RUNWAY.) 

RUNWAY [ICAO]

 A defined rectangular area on a 

land aerodrome prepared for the landing and takeoff 
of aircraft. 

RUNWAY CENTERLINE LIGHTING

 

(See AIRPORT LIGHTING.) 

RUNWAY CONDITION CODES (RwyCC)

 Nu-

merical readings, provided by airport operators, that 
indicate runway surface contamination (for example, 
slush, ice, rain, etc.). These values range from “1” 
(poor) to “6” (dry) and must be included on the ATIS 

PCG R