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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 ... ( E! O9 C: g, Z1 P+ B
NATO North Atlantic - |& @- j, ~! `( q! j0 T
NATS National Air Traffic Service (UK)
' b8 f& r; {: |) x% [" S9 zNATURAL FREQUENCY Standard engineering term See Also: second-order filter; Symbols: omega sub n; Typical Units: rad/s, Hz; Dimensions: 1/Time; - p; E6 Z* ^2 B {8 _9 t
NAUTICAL MILE Measurement of distance. Equals 1.15 statute miles. 5 E6 q* g' ?5 `7 n+ ?+ ]
NAV Navigation Receivers 5 U: X* }& E4 ^
NAV/COM Navigation and communication radios combined in a single unit. / L, m: {) h0 X8 g
NAVAID Navigation Aid (Ground Radio Station for Navigation) 7 [9 O' `, H9 {* M
NAVIGABLE AIRSPACE airspace at and above the minimum flight altitudes prescribed by or under this chapter, including airspace needed for safe takeoff and landing
S5 a4 f, f M1 ]7 Q$ @, F- INAVIGATION 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... # h! ?' `$ q x
NAVIGATION AID A device or process to help with navigation, such as a VOR station or a position update;
+ g- M2 J4 @* q7 }' c: h. ANAVIGATION 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... ! }5 M0 L3 m1 g" a4 L9 q- ~9 L
NAXOS (FuG 227) German ground radar which produced fixes on H2S. - T1 p7 Y& V) D0 J
NAXOS 2 Airborne version of NAXOS.
9 g7 U% u4 H4 Z$ \8 T, W( I6 uNBAA IFR FUEL RESERVES Fuel for go-around at destination airport ' q U; K$ }+ A. e2 m. U
NDB Navigation + K/ v/ c* J; r6 t6 U6 u _
NEAN North European ADS-B Network 3 j, G( b5 [9 Y" b0 {# B% ~
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 V: r3 z* d5 x$ G! K5 c
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 `9 k$ f [# C+ T# m. qNELS Northwest Europe Loran Steering Committee 3 p- k+ w. U- d
NEPTUN (FuG 216-217-218) German warning device fro attack from the rear or alternatively, a night-fighter search radar. % T" M: K9 o! \% R
NICAD (OR NICD) Nickel Cadmium battery. Rechargeable batteries which are typically used as power for radio transmitters and receivers.
- M: V- u# C' E. JNICKELLING Codename for leaflet dropping
2 p* \+ f0 Z, L# b+ O9 Y' }NIGHT 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... 2 f: Q6 G1 n4 n+ J! R8 }: }
NIL Nothing, no information
2 h! }5 x, [0 {: K7 iNIMBY "Not In My Back-Yard"-Syndrome: "We need an airport but not here" 9 z3 r) ^' c, Z7 X T
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.... 2 X) N/ R) k, c, _# r5 E
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 ... , @! s2 B$ ?# \1 _" L& ]
NM Nautical Miles. One nautical mile = 1.15 statute miles = 6,080 feet. 9 Y" H6 R" y0 L
NM, NMI Nautical Mile (1.852 km)
7 s8 x# v" x. P- L2 [: U- ^NMS Navigation management system. 5 h/ t. @; h6 m% Y. M
NMU Navigation management unit.
% q8 q! e+ d. I0 kNOISE Part of received data that is undesired, consisting of random sinusoidal terms added to a signal; Compare: offset, signal; |
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