PART 3......................................................................................................................................................................... 3-1 3. MNPS AND RVSM AIRSPACE OPERATIONS. 3-1 3.1 Introduction ...................................................................................................................................................3-1 3.2 Flight Planning ..............................................................................................................................................3-1 3.3 Pre-flight Procedures at the Aircraft 3.4 Flights at RVSM Levels Prior to Entering RVSM Airspace .........................................................................3-2 3.5 In-flight Procedures Within RVSM Airspace 3.6 Procedures for Aircraft Suffering Partial Loss of Navigation Capability Before Entry into MNPS Airspace 3.7 Special Provisions for Aircraft Not Equipped for Operations in MNPS Airspace to Climb or Descend Through MNPS Airspace ...............................................................................................................3-3 3.8 Special Provisions for MNPS Approved Aircraft that are Not RVSM approved to Climb or Descend Through RVSM Designated Altitudes ............................................................................................3-4 3.9 ATC Considerations Particularly in RVSM Airspace .................................................................................3-4 3.10 Contingencies Within MNPS Airspace .........................................................................................................3-5 3.11 Contingencies Within RVSM Airspace All Automatic Altitude Keeping Devices Fail Loss of Redundancy in the Primary Altimetry Systems .................................................................................3-6 All Primary Altimetry Systems Fail or are Considered Unreliable Primary Altimeters Diverge by More Than 60 m (200 ft) .............................................................................3-7 3.12 Encountering Turbulence ..............................................................................................................................3-8 3.13 Crew Training ...............................................................................................................................................3-8 3.14 Presentation of Navigation Information ........................................................................................................3-9