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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 [* K7 o8 W0 {" n3 V2 T7 cNATO North Atlantic
9 T" t% A( o) Q% {NATS National Air Traffic Service (UK)
& [7 S6 e) I0 a% M3 [5 s# fNATURAL FREQUENCY Standard engineering term See Also: second-order filter; Symbols: omega sub n; Typical Units: rad/s, Hz; Dimensions: 1/Time; $ A% w9 B, \! |: i1 J
NAUTICAL MILE Measurement of distance. Equals 1.15 statute miles. 7 Q: S8 d/ t% h0 u% q) R
NAV Navigation Receivers + L4 F( j" n% z: f" u: l
NAV/COM Navigation and communication radios combined in a single unit.
" G+ L' D6 i* e) [) u7 H5 pNAVAID Navigation Aid (Ground Radio Station for Navigation) * Y9 r: w( n* T
NAVIGABLE AIRSPACE airspace at and above the minimum flight altitudes prescribed by or under this chapter, including airspace needed for safe takeoff and landing
" P1 b# @8 R# q, @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...
; o$ D6 n) x* t ONAVIGATION AID A device or process to help with navigation, such as a VOR station or a position update;
8 l$ s5 X1 C. O; B; A# fNAVIGATION 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... 0 f8 ?# ?. G) |% _# u* E* O, a
NAXOS (FuG 227) German ground radar which produced fixes on H2S.
+ a5 R% E: p5 `* C- q* {NAXOS 2 Airborne version of NAXOS. 5 M3 v' U+ ~# l
NBAA IFR FUEL RESERVES Fuel for go-around at destination airport : r7 R8 s. _# v
NDB Navigation # R; ?+ ?: p# @' u4 f/ e
NEAN North European ADS-B Network 5 [+ S, S6 O, g; I" [& Q4 }
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... 5 c9 f# {- ?9 S+ b5 G
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... 2 F$ w& v) U/ I: v* X
NELS Northwest Europe Loran Steering Committee - g3 n' S9 p! Y2 N% l
NEPTUN (FuG 216-217-218) German warning device fro attack from the rear or alternatively, a night-fighter search radar. D, N6 y) _0 o7 b) z" n
NICAD (OR NICD) Nickel Cadmium battery. Rechargeable batteries which are typically used as power for radio transmitters and receivers. + l5 n4 ]2 a8 \6 z+ V
NICKELLING Codename for leaflet dropping
+ N6 Y/ S, ~ N* V, z) n: sNIGHT 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... : ]. v4 E/ n) V" _+ O% p
NIL Nothing, no information $ V3 E: p0 T1 B$ g7 x& w
NIMBY "Not In My Back-Yard"-Syndrome: "We need an airport but not here"
7 K- J1 Y, {' @# Y2 Q& KNITRO 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.... ' B6 Y! f/ W$ I) e4 q0 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 ...
5 C2 K% n/ X0 O5 |" ]0 u6 r+ t' WNM Nautical Miles. One nautical mile = 1.15 statute miles = 6,080 feet.
6 J3 p1 D& |/ x7 c' l$ XNM, NMI Nautical Mile (1.852 km)
, p; }$ A" h. p! qNMS Navigation management system.
' n3 L( a O$ p1 |/ @, e0 wNMU Navigation management unit. 8 I' K1 \& V$ g q6 g
NOISE Part of received data that is undesired, consisting of random sinusoidal terms added to a signal; Compare: offset, signal; |
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