## NOT STD $_{ }$ 

(See NOT STANDARD.) 

## NOTAM- 

(See NOTICE TO AIRMEN.) 

NOTAM [ICAO]- A notice containing information concerning the establishment, condition or change in any aeronautical facility, service, procedure or hazard, the timely knowledge of which is essential to personnel concerned with flight operations. 

a. I Distribution- Distribution by means of telecommunication. 

b. II Distribution- Distribution by means other than telecommunications. 

NOTICE TO AIRMEN (NOTAM)- A notice containing information (not known sufficiently in advance to publicize by other means) concerning the establishment, condition, or change in any component (facility, service, or procedure of, or hazard in the National Airspace System) the timely 

knowledge of which is essential to personnel concerned with flight operations. 

NOTAM(D)- A NOTAM given (in addition to local dissemination) distant dissemination beyond the area of responsibility of the Flight Service Station. These NOTAMs will be stored and available until canceled. 

c. FDC NOTAM- A NOTAM regulatory in nature, transmitted by USNOF and given system wide dissemination. 

(See ICAO term NOTAM.) 

## NRR- 

(See NON-RESTRICTIVE ROUTING.) 

## NRS- 

(See NAVIGATION REFERENCE SYSTEM.) 

NUMEROUS TARGETS VICINITY (LOCA- TION)- A traffic advisory issued by ATC to advise pilots that targets on the radar scope are too numerous to issue individually. 

(See TRAFFIC ADVISORIES.) 

