This page is having a slideshow that uses Javascript. Your browser either doesn't support Javascript or you have it turned off. To see this page as it is meant to appear please use a Javascript enabled browser.

Featured Definitions

Stabilized Approach Concept

A stabilized approach is the safest profile, and it is one of the most critical elements of a safe approach and landing operation. There are five basic elements to the stabilized approach: Landing Configuration - Stabilized Approach Element 1 The airplane should be in the landing configuration early in the approach. The ...

Flight Director - FD

Flight Director Electronic flight calculator that analyzes the navigation selections, signals, and aircraft parameters. It presents steering instructions on the flight display as command bars or crossbars for the pilot to position the nose of the aircraft over or follow. Flight Director Functions A Flight Director is an extremely useful aid that displays ...

Air Transportation Oversight System ATOS

ATOS The Air Transportation Oversight System (ATOS) is the Federal Aviation Administration’s primary tool for overseeing the nation’s airlines. The fundamental principle of ATOS is that air carriers must have properly designed systems to eliminate or lessen risks before they result in accidents or incidents. ATOS Air Carriers Air carriers are responsible for ...

Rebuilt Aircraft Engine

Rebuilt Aircraft Engine - A used engine that has been completely disassembled, inspected, repaired as necessary, reassembled, tested, and approved in the same manner and to the same tolerances and limits as a new engine with either new or used parts. However, all parts used in it must conform to the ...

Compressor Stall - Turbine Engine

Compressor Stall A Compressor Stall in a gas turbine engine is a condition in an axial-flow compressor in which one or more stages of rotor blades fail to pass air smoothly to the succeeding stages. A stall condition is caused by a pressure ratio that is incompatible with the engine rpm. Compressor ...

Aviation Weather Terms

Aviation Glossary Terms & Definitions in the “Aviation Weather” Category

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Aviation Weather Terms

Aviation Glossary Terms & Definitions in the “Aviation Weather” Category

St. Elmos Fire

St. Elmo s Fire — A corona discharge which lights up the aircraft surface areas where maximum static discharge occurs.
Although referred to as “fire”, St. Elmo’s fire is, in fact, plasma. The electric field around the object in question causes ionization of the air molecules, producing a faint glow easily visible in low-light conditions. Approximately [...]

Bookmark or email this page. Send to Facebook or Twitter:

Posted in Aviation Weather Terms, Video | Tagged FAA Pilot's Handbook, static

WTHR

WTHR is a FAA Acronym for: “Weather”

Bookmark or email this page. Send to Facebook or Twitter:

Bookmark or email this page. Send to Facebook or Twitter:

WST

WST – Convective Significant Meteorological Information – Aviation Term – Abbreviation / Acronym

Bookmark or email this page. Send to Facebook or Twitter:

Bookmark or email this page. Send to Facebook or Twitter:

WW

WW – Severe Weather Watch Bulletin – Aviation Term – Abbreviation / Acronym

Bookmark or email this page. Send to Facebook or Twitter:

Bookmark or email this page. Send to Facebook or Twitter:

WSO

WSO – Weather Service Office – Aviation Term – Abbreviation / Acronym

Bookmark or email this page. Send to Facebook or Twitter:

Bookmark or email this page. Send to Facebook or Twitter:

WSP

WSP – Weather System Processor – Aviation Term – Abbreviation / Acronym

Bookmark or email this page. Send to Facebook or Twitter:

Bookmark or email this page. Send to Facebook or Twitter:

WS

WS – SIGMET – Aviation Term – Abbreviation / Acronym

Bookmark or email this page. Send to Facebook or Twitter:

Bookmark or email this page. Send to Facebook or Twitter:

Visual flight rules (VFR)

Visual flight rules (VFR). Flight rules adopted by the FAA governing aircraft flight using visual references. VFR operations specify the amount of ceiling and the visibility the pilot must have in order to operate according to these rules. When the weather conditions are such that the pilot can not operate according to VFR, he or [...]

Bookmark or email this page. Send to Facebook or Twitter:

Troposphere

Troposphere. The layer of the atmosphere extending from the surface to a height of 20,000 to 60,000 feet, depending on latitude.

Bookmark or email this page. Send to Facebook or Twitter:

Bookmark or email this page. Send to Facebook or Twitter:

Tropopause

Tropopause. The boundary layer between the troposphere and the mesosphere which acts as a lid to confine most of the water vapor, and the associated weather, to the troposphere.

Bookmark or email this page. Send to Facebook or Twitter:

Bookmark or email this page. Send to Facebook or Twitter:

Aviation Glossary Definitions - Category List

Stabilized Approach Concept

Flight Director - FD

Air Transportation Oversight System ATOS

Rebuilt Aircraft Engine

Compressor Stall - Turbine Engine

Aviation Weather Terms

A

B

C

I

M

S

T

V

W

Aviation Weather Terms

St. Elmos Fire

WTHR

WST

WW

WSO

WSP

WS

Visual flight rules (VFR)

Troposphere

Tropopause

Categories

Tags

Aviation Links