Unmonitored NAVAID – What Does It Mean?
In IFR conditions, navigation is performed via a network of navigational aids (NAVAIDs) which can provide vertical and lateral guidance …
ILS and MLS – Differences, Advantages, and Disadvantages
ILS is by far the most commonly available instrument approach available in North America and Europe. The precision and ubiquitous …
ILS X/Y/Z – What’s the Difference?
On Instrument Approach Charts (IAPs), there are often instances in which the specific ILS approach is followed by a suffix, …
Difference Between ILS And LOC
Under Instrument Flight Rules (IFR), there are a number of different instrument approaches which may be performed, depending on the …
Difference Between SMOH, TBO, and SFOH
When recording specific technical details pertinent to an aircraft and/or components, there are numerous abbreviations used to measure certain maintenance …
Difference Between VOR and NDBs
In air navigation, pilots make use of various forms of navigational aids en route and on approach. Two particular forms …
Difference Between VOR and VORTAC
In relation to navigational aids, there are various forms of equipment utilized. The various navigational aids available have different functions …
Advantages of Squawking 7700
During an in-flight incident, there may be a need for the aircraft to land as soon as possible due to …
Difference Between Semi-Monocoque and Monocoque Structures
The difference between a monocoque and semi-monocoque structure is the way in which they absorb and carry flight loads. A …
What does Bingo and Joker Fuel Mean?
In aviation terminology, there are a plethora of phrases which represent various terms across the industry. Two terms which may …
“What’s Our Vector, Victor?” | What Does it Mean?
From a phrase quoted in the 1980 comedy film Airplane, “What’s Our Vector, Victor?” refers to the captain of the …
Why Are Airport Runways So Expensive?
If you have ever read the financial breakdown of investments made by airports, it is apparent that a major portion …