any of a number of charts issued to mariners by the U.S. Hydrographic Office and showing meteorological, hydrographic, and navigational conditions prevailing, or likely to prevail, subsequent to the date of issue in some part of the world: issued monthly for most areas.
a chart giving information on atmospheric conditions at various altitudes.
- Pilot cloth
noun 1. a type of thick blue cloth used esp to make sailor’s coats
[pahy-luh t] /ˈpaɪ lət/ noun 1. a person duly qualified to steer ships into or out of a harbor or through certain difficult waters. 2. a person who steers a ship. 3. Aeronautics. a person duly qualified to operate an airplane, balloon, or other aircraft. 4. a guide or leader: the pilot of the expedition. […]
noun 1. a locomotive sent on ahead of a railroad train to see that the way is clear and the track safe. noun 1. a locomotive that leads one or more other locomotives at the head of a train of coaches or wagons
- Pilot error
jargon (Sun, from aviation) A user’s misconfiguration or misuse of a piece of software, producing apparently bug-like results. E.g. “Joe Luser reported a bug in sendmail that causes it to generate bogus headers.” “That’s not a bug, that’s pilot error. His “sendmail.cf” is hosed.” Compare UBD. [Jargon File] (1994-12-05)