N  M  I-6  N$_{1}$ indicator ..................................................................7-23 N$_{2}$ indicator ..................................................................7-23 National Aeronautics and Space Administration (NASA) ................................................................ 6-2, 3-13 National airspace system..............................................15-7 National Oceanic and Atmospheric Administration  (NOAA) .........................................................................4-5 National security areas (NSAs)....................................15-7 National weather service (NWS) .................................13-1 Navigation instruments ................................................3-13 Negative arm..............................................................10-10 Negative dynamic stability ..........................................5-15 Negative static stability................................................5-14 Net thrust......................................................................7-24 Neutral dynamic stability.............................................5-15 Neutral static stability ..................................................5-14 Newton’s Basic Laws of Motion ...................................4-5 Newton’s First Law........................................................4-5 Newton’s First Law of Motion ....................................5-22 Newton’s Second Law ...................................................4-5 Newton’s Third Law ......................................................4-6 Newton’s Third Law of Physics ..................................5-31 Next generation weather radar system (NEXRAD) ................................................................13-18 Abnormalities .........................................................13-21 Limitations .............................................................13-21 Night blind spot..........................................................17-22 Night landing illusions...............................................17-27 Night vision................................................................17-22 Night vision illusions .................................................17-26 Mach buffet..................................................................5-49 Mach number ...............................................................5-45 Magnetic compass........................................................8-23 Induced errors...........................................................8-24 Acceleration error ................................................8-26 Deviation...............................................................8-24 Dip errors .............................................................8-25 Northerly turning errors .......................................8-26 Oscillation error ...................................................8-27 Southerly turning errors .......................................8-26 Variation ...............................................................8-24 Magnetic compasses ....................................................6-12 Magnetic heading.......................................................16-16 Magnus effect.................................................................4-6 Maintenance entries .....................................................9-10 Managing aircraft automation......................................2-29 Maneuverability ...........................................................5-15 Manifold absolute pressure (MAP)................................7-6 Maximum landing weight ............................................10-5 Maximum ramp weight................................................10-5 Maximum takeoff weight.............................................10-5 Maximum weight .........................................................10-5 Maximum zero fuel weight..........................................10-5 Mean aerodynamic chord (MAC)...................... 5-13, 10-5 Measurement of direction ............................................16-5 Medical certificate .......................................................17-2 Lattitude .......................................................................16-3 Lazy eights ...................................................................5-36 Leading edge device ......................................................6-9 Leading edge cuffs ...................................................6-10 Leading edge flaps....................................................6-10 Leads ............................................................................8-27 Licensed empty weight ................................................10-5 Lift..................................................................................5-1 Lift/drag ratio .................................................................5-5 Lighter-than-air aircraft ...............................................1-15 Lightning....................................................................12-25 Lightning strike protection...........................................3-11 Likelihood of an event ...................................................2-6 Improbable..................................................................2-6 Occasional ..................................................................2-6 Probable......................................................................2-6 Remote .......................................................................2-6 Load distribution..........................................................5-43 Loadmeter ....................................................................7-31 Local airport advisory ..................................................15-6 Longitude .....................................................................16-3 Lost procedures..........................................................16-34 Lubrication.....................................................................7-1 Medical certification requirements ..............................1-20 Motion sickness .........................................................17-12 Multi-function display (MFD) ......................... 3-12, 13-18 Meridians .....................................................................16-3 Mesopic vision ...........................................................17-21 Mesosphere ..................................................................12-3 Meteorologists..............................................................13-1 Microjets ......................................................................7-20 Middle ear ....................................................................17-5 Military operation areas (MOAs).................................15-4 Military training routes (MTRs) ..................................15-6 Minimum control speed (VMC) ..................................8-10 Minimum equipment lists (MEL) ..................................9-9 Mixture control ..............................................................7-9 Moisture .....................................................................12-13 Moment ........................................................................10-5 Moment arm....................................................... 10-4, 5-13 Moment index ..............................................................10-5 Monocoque ............................................................ 3-3, 3-8