Zener diode
A special type of solid-state diode designed to have a specific breakdown voltage and to operate with current flowing through it in its reverse direction.
Aviation Maintenance Technician Handbook — Airframe, p. G-39
The curriculum
Glossary
2,678 terms. Where the regulation defines a term (14 CFR 1.1 and 1.2, 280 of them), its definition is quoted word for word, and it governs. The FAA handbooks' definitions follow as guidance, each with the page of the handbook that prints it.
Z
Zeppelin
The name of large, rigid, lighter-than-air ships built by the Zeppelin Company in Germany prior to and during World War I.
Aviation Maintenance Technician Handbook — Airframe, p. G-39
Zero-center ammeter
An ammeter in a light aircraft electrical system located between the battery and the main bus. This ammeter shows the current flowing into or out of the battery.
Aviation Maintenance Technician Handbook — Airframe, p. G-39
Zero fuel weight
The weight of an aircraft without fuel.
Aviation Maintenance Technician Handbook — General, p. G-11; Aircraft Weight and Balance Handbook, p. G-5
Zero-lash valve lifter
A hydraulic valve lifter that maintains zero clearance in the valve actuating mechanism.
Aviation Maintenance Technician Handbook — Powerplant, p. G-31
Zone numbers
On drawings, these are similar to the numbers and letters printed on the borders of a map, used for locating a particular point in the drawing.
Zone of confusion
Volume of space above the station where a lack of adequate navigation signal directly above the VOR station causes the needle to deviate.
Zulu time
A term used in aviation for coordinated universal time (UTC) which places the entire world on one time standard.
Sources
- 14 CFR 1.1
- 14 CFR 1.1, General definitions
- 14 CFR 1.2
- 14 CFR 1.2, Abbreviations and symbols
- AMTG
- FAA-H-8083-30B, Aviation Maintenance Technician Handbook — General
- AMTA
- FAA-H-8083-31B, Aviation Maintenance Technician Handbook — Airframe
- AMTP
- FAA-H-8083-32B, Aviation Maintenance Technician Handbook — Powerplant
- W&B
- FAA-H-8083-1B, Aircraft Weight and Balance Handbook
- HFH
- FAA-H-8083-21B, Helicopter Flying Handbook
- PHAK
- FAA-H-8083-25C, Pilot's Handbook of Aeronautical Knowledge
The glossary is CC BY-SA 4.0 as an arrangement; the quoted regulation text is a work of the US Government. Handbook definitions are quoted from the FAA's handbooks, each linked to the FAA's own copy.