IV. Instrumental errors of barometric altimeters and air data computers Further errors lowering the accuracy of the altitude measurement by barometric mechanic altimeters are instrumental errors caused by qualities of barometric boxes, it means hysteresis and elastic after-effect, and also errors caused by the friction in the gear mechanism.
I am about to travel. However, I need to renew my passport. Will the new one have the same number as the old passport? When renewing your passport, please note that the number assigned to a particular passport is for that document only. Upon renewal, your new passport will have a different number. It is, therefore, recommended that you plan ahead if you intend to travel soon or apply for a visa as your passport number is required for the visa-application process.
When applying for a US passport renewal, the online form (DS-82) asks you for your Passport Book Number but does not define what this is, exactly. After finding nothing definitive online, I contacted the National Passport Information Center and asked them. (They have a toll free number.