How many autopilots need an passenger aircraft to fly under RVSM rules?

Answer 1

RVSM means the reduction of the vertical separation between two aircraft flying in RVSM airspace (FL 290 to 410) from 2000 ft to 1000 ft. All aircraft flying in the RVSM airspace need to be certified for RVSM. To obtain a Supplemental Type Certificate (STC) for RVSM operations from the national certifying authority, the accuracy of the altitude measurement systems need to fulfill special requirements depending on both the aircraft's construction date and the certification approach. This usually requires an upgrade of the aircraft's avionics equipment.


RVSM Requirements

The following requirements have to be fulfilled to get an RVSM STC:

• Two independent altitude measurement systems meeting the system error requirements.

• One automatic control system keeping the aircraft altitude within ±20 m (±65 ft).

• One altitude alert system with limits ±90 m (±300 ft).

• One secondary surveillance radar (SSR) altitude reporting transponder.

• RVSM compliant avionics configuration.

Answer 2

Trying checking out this website, it should have all of the information that you are looking for about rvsm

http://www.faa.gov/ats/ato/rvsm1.htm

Answer 3

one

Answer 4

One - that is the simple answer to your simple question!