Pilot/Controller Glossary 

5/19/22 

oceanic activities and advances with the mission 
progress; i.e., the reservation moves with the aircraft 
or flight. 

(See MOVING ALTITUDE RESERVATION.) 

MOVING ALTITUDE RESERVATION

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 An alti-

tude reservation which encompasses en route 
activities and advances with the mission progress; 
i.e., the reservation moves with the aircraft or flight. 

MOVING TARGET INDICATOR

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 An electronic 

device which will permit radar scope presentation 
only from targets which are in motion. A partial 
remedy for ground clutter. 

MRA

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(See MINIMUM RECEPTION ALTITUDE.) 

MRE

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(See METER REFERENCE ELEMENT.) 

MRP 

(See METER REFERENCE POINT LIST.) 

MSA

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(See MINIMUM SAFE ALTITUDE.) 

MSAW

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(See MINIMUM SAFE ALTITUDE WARNING.) 

MTI

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(See MOVING TARGET INDICATOR.) 

MTR

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(See MILITARY TRAINING ROUTES.) 

MULTICOM

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 A mobile service not open to public 

correspondence used to provide communications 
essential to conduct the activities being performed by 
or directed from private aircraft. 

MULTIPLE RUNWAYS

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 The utilization of a 

dedicated arrival runway(s) for departures and a 
dedicated departure runway(s) for arrivals when 
feasible to reduce delays and enhance capacity. 

MVA

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(See MINIMUM VECTORING ALTITUDE.) 

PCG M

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