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Pilot/Controller Glossary 

12/2/21 

RESTRICTED AREA

 

(See SPECIAL USE AIRSPACE.) 
(See ICAO term RESTRICTED AREA.) 

RESTRICTED AREA [ICAO]

 An airspace of 

defined dimensions, above the land areas or territorial 
waters of a State, within which the flight of aircraft 
is restricted in accordance with certain specified 
conditions. 

RESUME NORMAL SPEED

  Used by ATC to 

advise a pilot to resume an aircraft’s normal operating 
speed. It is issued to terminate a speed adjustment 
where no published speed restrictions apply. It does 
not delete speed restrictions in published procedures 
of upcoming segments of flight. This does not relieve 
the pilot of those speed restrictions that are applicable 
to 14 CFR Section 91.117. 

RESUME OWN NAVIGATION

 Used by ATC to 

advise a pilot to resume his/her own navigational 
responsibility. It is issued after completion of a radar 
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 AMENDMENT DIALOG (RAD)

 A 

capability within the Traffic Flow Management 
System that allows traffic management personnel to 
submit or edit a route amendment for one or more 
flights. 

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.) 

PCG R