RVSM, Equipment required
Airworthiness approval for RVSM may be granted by the appropriate State Authority to individual aircraft, or to a group of aircraft that are nominally identical in aerodynamic design and in items of equipment contributing to height keeping accuracy.
The minimum equipement standard is embodied in the MASPS (Minimum aircraft system performance specification) for RVSM operations. THe MASPS require:
Two fully serviceable independent primary altitude measurement systems. (2 x CADC)
One automatic altitude control system. (auto-pilot)
One altitude alerting device.
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