What is the maximum allowable error for an altimeter when used for IFR flight is this recommended or mandated?
What is the maximum allowable error for an altimeter when used for IFR flight is this recommended or mandated? Anyone who is IFR rated knows (or SHOULD know) that your allowable altimeter error is +/-75 feet.
What is the maximum error of VOR in flight or IFR navigation?
The maximum permissible variation between the two indicated bearings is 4 degrees.