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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 ... # l3 T1 g+ r8 a& }$ V
NATO North Atlantic
, q- H# } z/ LNATS National Air Traffic Service (UK)
4 J1 O& u3 h4 W) t/ {NATURAL FREQUENCY Standard engineering term See Also: second-order filter; Symbols: omega sub n; Typical Units: rad/s, Hz; Dimensions: 1/Time; 7 ~/ Y& B2 c& e1 m/ w9 Y
NAUTICAL MILE Measurement of distance. Equals 1.15 statute miles. & c, Y6 ~& H% ^& `+ ?2 Z4 Q
NAV Navigation Receivers
5 S; H; |6 _+ v8 `, c1 j# oNAV/COM Navigation and communication radios combined in a single unit.
7 L" X0 [2 _/ ]+ d& f: i8 pNAVAID Navigation Aid (Ground Radio Station for Navigation)
O% ?* x g) a6 i4 G# l6 rNAVIGABLE AIRSPACE airspace at and above the minimum flight altitudes prescribed by or under this chapter, including airspace needed for safe takeoff and landing
. k, K8 \5 Q" S- z. nNAVIGATION 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...
7 g# z1 _# X/ p9 t, }4 c9 ANAVIGATION AID A device or process to help with navigation, such as a VOR station or a position update; 0 |! F; |' y9 _+ ]3 n. J( A
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...
7 j" L$ L1 @0 h6 ^5 g' u6 n) h" r7 [NAXOS (FuG 227) German ground radar which produced fixes on H2S. & E% i( O2 n0 t
NAXOS 2 Airborne version of NAXOS.
- @: v+ e. {, ^; H, u0 RNBAA IFR FUEL RESERVES Fuel for go-around at destination airport 2 X2 e% _1 v' ^1 }! E* o
NDB Navigation 6 L5 W1 Y6 b6 I3 N1 ~6 ~; x
NEAN North European ADS-B Network 3 ]$ U8 |! H+ n a6 v
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... ; F8 |( q: T. P# J- M5 P! l
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... 7 z; u G; k' W
NELS Northwest Europe Loran Steering Committee 7 X- b/ Y; |% X
NEPTUN (FuG 216-217-218) German warning device fro attack from the rear or alternatively, a night-fighter search radar.
7 E) A. c. T; f& cNICAD (OR NICD) Nickel Cadmium battery. Rechargeable batteries which are typically used as power for radio transmitters and receivers. & \! ]6 c$ u" Z* q& o6 J, M0 }
NICKELLING Codename for leaflet dropping
0 o% C+ g# L* V1 ~, eNIGHT 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...
& t2 x2 d" V) I# s% y, aNIL Nothing, no information
# O2 G* X4 V2 U) _NIMBY "Not In My Back-Yard"-Syndrome: "We need an airport but not here" ( T7 ^1 T. ~, N+ v/ ^2 e7 f* o& Y
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.... 9 X# t! b% M l7 c; q
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 ...
* |8 _1 S9 b1 X) q* C! `" o# dNM Nautical Miles. One nautical mile = 1.15 statute miles = 6,080 feet. , I* M- m L% Z5 i* L; H, C4 p
NM, NMI Nautical Mile (1.852 km)
7 R, u; c; N! K$ N: @9 ^NMS Navigation management system.
0 x, J7 w1 `0 `) H1 ?3 P, q% t" T% _NMU Navigation management unit.
+ y9 U# k4 x( p! w7 }3 ANOISE Part of received data that is undesired, consisting of random sinusoidal terms added to a signal; Compare: offset, signal; |
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