M malfunction  meteorological  P personal  pressure  O N of pilot light ..............................................................7-12 of vent.......................................................................7-12 maneuvering...................................................................7-7 Marquis d’Arlandes .......................................................2-1 maximum allowable gross weight .................................3-8 mechanical ......................................................... 4-21, 4-22 other airspace areas ........................................................5-8 overview.....................................................................10-12 performance  packing the balloon .......................................... 8-11, 11-11 passenger briefing .............................................. 6-12, 8-10 perceptions ...................................................................10-7 performance-based objectives....................................10-11 planning .............................................................. 3-8, 6-4 tests.........................................................................10-19 differences ................................................................11-6 flight planning ..........................................................11-7 middle clouds ..................................................... 4-15, 4-16 middle ear.......................................................................9-3 military operation areas (MOAs) ........................... 5-5, 5-7 military training routes (MTR) ......................................5-8 minimum safe altitude....................................................7-8 miscellaneous items .....................................................2-10 Montgolfier brothers ......................................................2-1 mooring ........................................................................7-13 motion sickness..............................................................9-5 motivation ........................................................ 10-8, 10-12 mountain  flying ........................................................................3-11 wave .........................................................................4-23 National Aeronautical Charting Office (NACO) ...........3-4 National Airspace System (NAS) ..................................5-1 National Center for Atmospheric Research and the  University Corporation for Atmospheric Research......4-29 National Oceanic and Atmospheric Administration  (NOAA) .......................................................................4-28 national security areas............................................ 5-8, 5-9 National Weather Service (NWS) ..................................3-2 navigation.......................................................................3-4 netted balloon...............................................................11-3 neutral stability.............................................................4-20 new territory.................................................................3-12 night vision ..................................................................9-10 nimbus..........................................................................4-15 objectives ...................................................................10-20 obstacles................................................................. 6-6, 8-5 obstructions ..................................................................4-23 occluded front ................................................................4-9 OODA Loop.................................................................1-11 oral quizzes ................................................................10-18 organizing material ....................................................10-12 orographic winds..........................................................4-14  I-4 appearance and habits...............................................10-5 preparation................................................................3-13 phonetic alphabet .........................................................5-10 physics.................................................................. 2-2, 11-5 pibal........................................................................ 3-3, 6-3 recording.....................................................................3-6 pilot/crew communications..........................................7-15 pilot’s log .....................................................................8-13 pilot light systems ..........................................................2-6 pilot performance ...........................................................9-2 pilot weather reports (PIREPs) ....................................4-40 planning instructional activities .................................10-20 plot .................................................................................3-6 positive transfer of controls ...........................................1-6 practical test recommendations....................................10-4 practical test standards ...................................................1-4 practice approaches........................................................8-7 precipitation ......................................................... 4-1, 4-29 preflight inspections.....................................................2-13 checklist......................................................................6-2 preflight operations ........................................................6-1 preflight planning...........................................................3-2 prelaunch check ...........................................................6-14 preparation ..................................................... 10-10, 10-11 presolo knowledge tests .............................................10-19 ceiling .......................................................................11-6 change.......................................................................4-29 gradient.....................................................................4-11 pressure systems.............................................................4-6 pressure vessels..............................................................2-7 preventative maintenance.............................................2-13 progressive fill .............................................................6-11 prohibited areas...................................................... 5-5, 5-6 propane fuel ...................................................................2-6 proper language............................................................10-6 providing adequate instruction.....................................10-3 purity of lifting gas.....................................................11-11