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NATIONAL AIRSPACE SYSTEM (NAS) The common network of US airspace; air navigation facilities, equipment and services, airports or landing areas; aeronautical charts, information and ...
7 A$ }, J- ~; t5 i$ w3 R! qNATO North Atlantic : B/ e/ b. ~) q
NATS National Air Traffic Service (UK)
1 j3 h3 ~, I- UNATURAL FREQUENCY Standard engineering term See Also: second-order filter; Symbols: omega sub n; Typical Units: rad/s, Hz; Dimensions: 1/Time;
1 e6 ] y; e% lNAUTICAL MILE Measurement of distance. Equals 1.15 statute miles.
; P6 i" W9 T. B0 ~7 V; TNAV Navigation Receivers
' W( A0 @+ x" I8 [0 _$ YNAV/COM Navigation and communication radios combined in a single unit.
0 l/ h7 J, s; n3 E, @NAVAID Navigation Aid (Ground Radio Station for Navigation) " O7 @! _4 L1 Y5 Z/ p8 B
NAVIGABLE AIRSPACE airspace at and above the minimum flight altitudes prescribed by or under this chapter, including airspace needed for safe takeoff and landing ' E8 R' Y, U, u
NAVIGATION A system, usually software, in which the primary purpose is to generate position relative to a coordinate frame, usually fixed earth frame, such as la... ! G0 m0 r% l- [
NAVIGATION AID A device or process to help with navigation, such as a VOR station or a position update; / c, n' e+ l7 A; U: ?
NAVIGATION REFERENCE POINT (NRP) A point, usually fixed in earth coordinates but possibly moving; Also, a basic guidance mode, providing lateral guidance to an NRP, either by course o... * _& d# S i( I
NAXOS (FuG 227) German ground radar which produced fixes on H2S.
$ W; Z, @+ s+ `NAXOS 2 Airborne version of NAXOS.
$ d# o: e2 S" k$ t, h" sNBAA IFR FUEL RESERVES Fuel for go-around at destination airport
; v7 ~% O4 ?* j" ^: bNDB Navigation
; k& ]- Y( Z4 y6 sNEAN North European ADS-B Network : I" i6 Z/ p- \! r, ^4 M
NEAR MIDAIR COLLISION (NMAC) An incident associated with the operation of an aircraft in which the possibility of a collision occurs as a result of proximity of less than 500 feet... 0 ` X4 \8 p% `, Q9 H I7 y5 I0 P& F8 D
NEEDLE VALVE This is used to tune the fuel to air mixture on the engine carburetor. On most engines, the needle is turned clockwise to lean the mixture, and counte...
6 O! K, O7 H8 R$ N9 s vNELS Northwest Europe Loran Steering Committee
, N$ o9 ^6 x( v# qNEPTUN (FuG 216-217-218) German warning device fro attack from the rear or alternatively, a night-fighter search radar. # D2 h) F* } e$ M4 a3 \% f
NICAD (OR NICD) Nickel Cadmium battery. Rechargeable batteries which are typically used as power for radio transmitters and receivers.
! `! U$ r! B+ h; HNICKELLING Codename for leaflet dropping
3 k; H1 Y7 h8 f2 G, mNIGHT the time between the end of evening civil twilight and the beginning of morning civil twilight, as published in the American Air Almanac, converted to...
3 Q2 h0 p% Q d2 e- l8 n; H! YNIL Nothing, no information
. {4 h1 `) c: pNIMBY "Not In My Back-Yard"-Syndrome: "We need an airport but not here"
& h6 x1 i1 o" }NITRO Abbreviation for nitro methane. The addition of nitro methane in fuel provides more power, and a smoother idle, thus making the engine easier to tune.... # `. \/ @7 E) Z
NITRO METHANE The addition of nitro methane in fuel provides more power, and a smoother idle, thus making the engine easier to tune. The nitro also makes an engine ... # o f" P. V0 d! U8 H5 [; V, [0 N6 p
NM Nautical Miles. One nautical mile = 1.15 statute miles = 6,080 feet. & o- m1 n/ Y, o9 T5 u
NM, NMI Nautical Mile (1.852 km) # w5 H" ]8 ]4 }4 J8 w; }
NMS Navigation management system.
7 ^- j- s( p. D k( L7 `NMU Navigation management unit. 9 F) r* d& b$ B, U! u% l
NOISE Part of received data that is undesired, consisting of random sinusoidal terms added to a signal; Compare: offset, signal; |
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