by HAROLD JOHNSON
DOES AN ALTIMETER HAVE TO BE TSO'D IN ORDER TO FLY IFR?
ANSWER: Yes, if your aircraft has a standard airworthiness certificate, you must have an FAA approved altimeter installed, and it must be tested and re-certified every 24 months.
A Technical Standard Order (TSO) is the typical way of approving the manufacture of aircraft instruments.
Return to Aircraft Certification Questions.
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