## Monthly Archives: May 2015

### CFI Brief: Global Positioning System (GPS)

Global Positioning System (GPS) is a United States satellite-based radio navigational, positioning, and time transfer system operated by the Department of Defense (DoD). The system provides highly accurate position and velocity information and precise time on a continuous global basis to an unlimited number of properly-equipped users. The system is extremely versatile in its uses […]

We’ve had a few posts about the Very High Frequency Omnidirectional Range (VOR). Take a look at our introduction and at our CFI’s posts on VOR service volumes and a couple questions that might show up on your exam. Today, we’ll illustrate tracking to and from a VOR station. This post is excerpted from the […]

### CFI Brief: Looking at the Big Picture

This week you and I have been tasked with repositioning a Cessna 172 from the Savannah Airport (SAV) to Allendale County (88J) — airports neither of us has ever flown out of. To begin our planning we have obtained the local sectional chart to gain all available information from this important resource regarding our planned […]

### Enroute Flight: Topography

A VFR Sectional Aeronautical Chart is a pictorial representation of a portion of the Earth’s surface upon which lines and symbols in a variety of colors represent features and/or details that can be seen on the Earth’s surface. Contour lines, shaded relief, color tints, obstruction symbols, and maximum elevation figures are all used to show […]

### CFI Brief: W&B Simple Calculations

As a pilot you should always expect change. Change can often occur prior to your flight even beginning. I’ve been in situations before where I have completed my entire cross country flight plan and weight and balance only to find out another friend wants to come along for the ride. Before doing another entire weight and balance problem […]

### Aircraft Performance: Computing Weight and Balance

Back in February, we introduced the concept of weight and balance and its significance in preflight planning. This week, we’ll look at one of the methods of determining your loaded weight and CG. There are a variety of methods to do this, but this week we’ll illustrate the table method with an example from the […]

### CFI Brief: Winds and Temperatures Aloft Forecast

Just the other day I was on a commercial airline flight on my way home from vacation. Prior to departure, the captain came on the overhead to advise the passengers that we would be arriving about 15 minutes late due to headwinds along the route. Like the captain did, it is an important part of […]

### Weather Services: Terminal Aerodrome Forecast (TAF)

This week, we’re taking another look at aviation forecasts and focusing on the terminal aerodrome forecast (TAF), one of the printed forecasts that all pilots need to be familiar with. TAFs are designed to be useful in the preflight planning stage. Here’s how the FAA breaks down a TAF in the Pilot’s Handbook of Aeronautical […]