# Questions tagged [rvsm]

Reduced Vertical Separation Minimum (RVSM) is a class of operations which allow aircraft between FL290 and FL410 to operate with 1000 feet of vertical separation, rather than the 2000 foot minimum separation previously required.

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### When might a pilot hand-fly a jet at cruise altitudes, and is it difficult?

How difficult is it to hand-fly a jet at cruise altitudes? Other than autopilot failure and just doing it for the fun of it, when might you want to hand-fly at those altitudes? I suspect the answer ...
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### Is it legal to fly in RVSM airspace with an inoperative autopilot?

FAR Part 91, Appendix G, Section 2 says: (c) Altitude-keeping equipment: All aircraft. To approve an aircraft group or a nongroup aircraft, the Administrator must find that the aircraft meets ...
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### How does vertical separation work above FL400?

The information mentioned in "Jeppesen Airway Manual" is that after FL400, fight levels are FL430, FL470, FL510 for the 'even' FL's column. Normally, I would expect every level divided by a thousand ...
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### Are altimeters calibrated to ISA geopotential altitude or ISA geometric altitude?

Altimeters convert a pressure measurement to an indication of altitude. When set to standard pressure setting (1013.25 hPa / 29.92"Hg), they assume the atmosphere is according to the ICAO Standard ...
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### What is the maximum allowed difference between two altimeters for flying in RVSM airspace?

What is the allowable altitude difference reading between two altimeters while flying inside RVSM airspace?
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### Can climbing above RVSM airspace cause temporary loss of separation with an aircraft in RVSM airspace?

Consider Aircraft A cruising at FL400 and Aircraft B cruising at FL410. Both in close proximity, heading in the same direction. Ignore altitude for direction of flight issue. When aircraft B requests ...
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### Can RVSM safely be further reduced?

Since the world population shows no signs of slowing down its rapid increase, it's pretty safe to say that means we can only expect more concurrent flights as time moves forward. Is it physically ...
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### Under what conditions can a non-RVSM aircraft or pilot fly in RVSM airspace?

After purchasing an aircraft, it takes the FAA a long time to issue RVSM approval for the new owner. During this time, under what conditions may an aircraft fly in RVSM airspace even though they ...
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### How is RVSM approval obtained for a properly equipped airplane?

If an airplane is already equipped for RVSM flight, how do we obtain a Letter of Authorization (LOA) for RVSM in order to actually fly in RVSM airspace?
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### Does ICAO allow continued flight in RVSM airspace after a transponder failure?

If a civil aircraft's transponder fails in RVSM airspace, can it still be allowed to fly in RVSM according to ICAO? And could it be allowed to fly in class A airspace, according to ICAO?
1 vote
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### Reduction in Service Ceiling / Change in RVSM

I did some research and minimum vertical separation used to be 2000ft but it changed to 1000ft in 2002 and they want to change it to 500ft on american territory. Is this correct? Why they wouldn't ...
1 vote
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### Which American State Aircraft use the RVSM exemption?

Reading about RVSM, I noted the exemption for "state aircraft." This is summarize in wikipedia as "State aircraft", which includes aircraft used in military, customs and police service, are ...
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### Is it allowed for state aircraft to fly within RVSM airspace?

If the answer is no, then it will fly at FL280 or 430? Or it will fly within RVSM airspace with vertical separation of 2000?
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