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There are a multitude of weather products out there today to assist pilots in preparing for a flight. Aviationweather.gov is the best source for getting all the information a pilot needs for planning a flight. Aviationweather.gov is the National Weather Service’s source for all aviation related weather products. When I teach about weather and weather briefings, I recommend to my students to utilize Aviationweather.gov in the planning stages, but still call the Flight Service Station to get a full fledged weather briefing before takeoff.
When preflight weather planning, one of the best ways to get a picture of what is happening over a broad area is utilizing the Low Level Significant Weather Prog charts. The Prog chart gives a forecasted 12 and 24 hour picture of what type of weather to expect over the US. The Prog chart gives the expected flight rules, areas of turbulence, and where the freezing level is located. If you’re looking at the 4 panel view, the Surface Prog chart shows fronts, pressure areas, and areas of expected precipitation. That covers just about everything, doesn’t it?
I believe the Prog charts are underutilized in planning. Foreflight and Garmin Pilot have given easy access to radar pictures, satellite pictures, METARs, TAFs, and several other sources of weather information. But, a lot of the easy access data you can get from those apps is current data (with the exception of the TAF) while a lot of the forecast data takes some hunting around. So, products like Prog charts aren’t often utilized.
The other problem arises when pilots know about Prog charts, but don’t know how to read them, then don’t know how to find the legend to decipher the chart, the chart is often set aside and quickly forgotten about just because of a lack of knowledge. Have no fear, though, as now we will use an example 4 panel Prog chart to decipher the lines and colorations.
Just looking at the Low Level Significant Weather Prog Chart above, it can be a little confusing. That’s why they make a legend!
Coupling the legend with the chart above, we can determine some things. First, California, parts of the Pacific Northwest, a small part of southern Arizona, and a good portion of the Midwest and East coast are going to have marginal VFR conditions in the next 12 hours. Wisconsin, Illinois, a good portion of the Northeast, and a small portion of the Pacific Northwest will suffer IFR from IFR conditions. There are going to be a good amount of low level turbulence in the northern and eastern parts of the country. Finally, the freezing level starts at the surface running in a jagged line across the midwest states and curling up into the Northeast.
That’s a good bit of information, isn’t it? If a pilot is planning a VFR flight into the Northeast tonight, it would probably be best to wait for another day, according to this chart.
Now, to see what is causing the conditions above, we need to look at the Surface Prog Chart.
The green circular areas above show that some form of precipitation is in that area. The circular dots with the triangle located in Mexico and Baja California are depicting moderate rain showers. If the triangle was gone, it would just be moderate rain. In the northeast, all those symbols are showing moderate to heavy snow showers. Across the plains, we see a lot of high pressure, meaning visibility and nice flying weather.
These charts are invaluable when it comes to flight planning, especially over long distances when the weather could be changing a lot over the period of your flight. Put them to use the next time you are planning a trip and you’ll learn you have a much better picture of what the weather is doing.
There are a multitude of weather products out there today to assist pilots in preparing for a flight. Aviationweather.gov is the best source for getting all the information a pilot needs for planning a flight. Aviationweather.gov is the National Weather Service’s source for all aviation related weather products. When I teach about weather and weather…
We’ve all been there. You’re flying into an unfamiliar airport at night, you’re having difficulty seeing the field, and trouble identifying the runway. Airports can be hard to identify for a variety of reasons, but approaching in darkness only makes it more difficult. Perhaps the airport is located in a densely populated area and the airport lights bleed into the city lights. Maybe the airport that you’re approaching is located amid terrain that obstructs your view.
Situations like these are not uncommon for charter pilots. Just a few evenings ago I was descending IFR into Asheville, NC (KAVL) on a dark night with high overcast and scattered showers. Although the airport was VFR, the surrounding hills made me doubtful that I would be able to see the field in time to safely and comfortably descend for the visual approach that I was expecting.
Fortunately, there are some things we can do to help find our destination and set us up for the approach. Here are a few tricks that I use regularly when I find myself in this position:
The pictures below should help clarify how to use the OBS to assist in airport orientation.
Step 1- Have the destination set as the next way point in your flight plan. In the picture below, The GPS is set to navigate direct to KJGG. Press the OBS button (circled in red) to engage the OBS mode.
Step 2- Once OBS is selected, use either the window on the screen (which should come up automatically when you press the button in step 1) or the OBS selec tor on your navigation head to select the inbound radial. In this example, I have selected 310 degrees, the landing runway at KJGG.
Step 3- The GPS now shows an inbound course to the airport of 310 degrees. It appears as a magenta line. The line serves as an excellent aid in airport/ runway orientation. Remember that this will not line you up perfectly with the runway, but it can still be extremely useful in planning a pattern entry or for getting your bearings.
Note: As shown below, If you press the OBS button again, the GPS will return to the navigation as previously set.
1. Ask for vectors to the airport/ runway: If you have VFR flight following or are talking to a tower equipped to provide vectors, asking for them can be a good choice. Although the controllers may not always be able to accommodate your request due to workload or equipment limitations, most will be happy to comply if they are able. Some pilots may feel silly asking for help, but my policy has always been that I’d rather feel silly for asking than look silly for being lost.
In the case of the Asheville flight mentioned in the opening of this article, my solution was to ask the controller fo r direct to the final approach fix of the assigned runway. Upon arriving there, I had no trouble seeing the VASI and was in good position to fly the visual approach. If I had wanted to be positioned a little further out, I could have asked to fly to a different fix or simply asked to be cleared for the approach in lieu of the visual. Just remember to keep your intentions clear when communicating them to the controller.
The best way to approach an airport day or night, familiar or unfamiliar, is with careful preparation. Having lighted landmarks picked out as well as being acquainted with the airport layout will pay off when it comes time to plan your pattern entry or find the airport on a dark night. Use the resources available to you to get you safely to your destination.
Andrew Robinson is a 135 Charter Pilot and flight instructor in Pennsylvania. He flies Pilatus PC-12s and instructs in Beechcraft Bonanzas.
We’ve all been there. You’re flying into an unfamiliar airport at night, you’re having difficulty seeing the field, and trouble identifying the runway. Airports can be hard to identify for a variety of reasons, but approaching in darkness only makes it more difficult. Perhaps the airport is located in a densely populated area and the…
Picking up an IFR clearance at first can seem very simple. But, when taking off from an untowered field, especially if a pilot is based at a towered airport, it can be a little more complex. Based at an untowered field? The towered procedures are a little more streamlined, but still different.
At Class B or Class C airports, there is a dedicated frequency to get an IFR clearance and VFR departure instructions called Clearance Delivery. It is published in the airport facilities directory as well as most approach plates. Before you call Clearance Delivery, get the ATIS and tell the controller you have it as well as where you are located on the airport.
Some Class D airports have a Clearance Delivery frequency (see KADS, Addison, TX), but for the most part, you’ll get your IFR clearance on the Ground frequency. If there is a dedicated Clearance Delivery frequency, the ATIS will specify whether or not to get your clearance on it or on ground control.
Class D towers are only part time towers, usually closing between 7pm and 10pm local time, depending on how busy the airspace is. These airports usually have published Clearance Delivery frequencies to contact either the local approach control or center to pick up an IFR clearance on the ground. They will be published on approach plates and in the A/FD.
There are a number of Class E airports that are Class E all the way down to the surface (see KLFK, Angelina County). At these airports, there will either be a Clearance Delivery frequency or you call on the Center or Approach frequency to get your clearance (at KLFK, you call Center as there is no Clearance Delivery frequency. At Temple, KTPL, there is a published Clearance Delivery frequency which you would be talking to Grey Approach).
There are two ways to pick up an IFR clearance at a Class G airport, one typically a little safer than the other.
The first option is to take off and maintain VFR while calling Center or Approach control. They will give you your clearance making you IFR and allowing you to enter the clouds. This option can be unsafe depending on the terrain surrounding the airport and how low the ceiling is. If the ceiling is overcast at 1,000, you can legally remain VFR in Class G airspace at 500 AGL, but that isn’t the safest option and you might not be able to raise ATC at that altitude.
The second, and safer option, is to call on the phone. Flight Service has a nationwide Clearance Delivery phone number that every pilot should have saved in their contacts (888-766-8267). Typically, you want to wait to call them until after you are done with your runup because they only give you a five or ten minute window to get off the ground. With bluetooth equipped headsets, this usually isn’t a problem.
Be prepared when calling Clearance Delivery on the phone to wait a few minutes. Us pilots aren’t good at being patient sometimes, but the FSS has to call Center on the phone to get your clearance and release and this can take a few minutes. Be prepared for that going in and just be patient. Remember, this is the safer option!
There are a handful of Class G airports around the US that have a GCO, a Ground Communications Outlet. With a GCO, you tune up the frequency, then click the mic 4 times to talk to ATC or 6 times to talk to FSS. Each mic click must be at least one second, so if you click the mic too quickly, it won’t work.
At certain airports that are underlying an approach control’s airspace, you can actually call the TRACON directly and get your clearance from them (5C1, the Boerne Stage Airport, for example. San Antonio approach is the controlling agency and you can call them directly to pick up your clearance). It’s a good practice to get the TRACON phone number and save that in your contacts as well.
Picking up an IFR clearance at first can seem very simple. But, when taking off from an untowered field, especially if a pilot is based at a towered airport, it can be a little more complex. Based at an untowered field? The towered procedures are a little more streamlined, but still different. Towered Airports Class…
When is the last time you talked to the Flight Service Station?
Believe it or not, FSS is still in existence. Over the past 10 years, they went from FAA run, the being bought by Lockheed Martin, to now being privately run by a company called Leidos. 1-800-WX Brief will get you connected with a weather briefer, but you’ll hear “Leidos Flight Service Station” now when the briefer picks up.
Since the advent of Foreflight, most pilots these days get their weather briefings digitally on the iPad. Foreflight has come a long way since it’s inception. The briefing part of their Flights page is quite comprehensive, with lots of information, and counts as a legal weather briefing (which pilots are still required to get before a flight).
Why does a pilot even need to call Flight Service? Well, when’s the last time you tried to interpret everything the Briefing on Foreflight told you? As I said before, it’s a lot of information and a lot of it can be confusing. Pilots are not fully trained on interpreting Prog Charts and getting an overall weather picture for a flight. A weather briefer is.
I have over 5,000 hours and I still call a weather briefer before almost every flight. On the way to the airport is a great opportunity to get a weather briefing. I get a great picture of what’s going on in my area or over my route, frontal movement, bad weather areas, and whether or not it’s a good idea to even take off. Calling in the car alleviates the main complaint I hear about calling the Flight Service Station, which is it’s inconvenient and causes a delay since you have to call them on the phone.
I don’t do much private pilot training anymore, but when I do, I always teach my students how to get a weather briefing from the Flight Service Station. I’ll show them how to get the briefing on Foreflight too, but usually their eyes bug out of their heads when they start trying to read everything. A breathe of relief is released when I tell them there is a trained professional just a phone call away who can clear everything up.
The other thing that the Flight Service Station provides that is important to a lot of folks are PIREPs. It’s vital in sketchy weather areas for the FSS to get a report of what’s actually going on in the air. This helps other pilots out greatly as they are getting information about icing, cloud bases and tops, turbulence and a myriad of other things from airplanes who are actually in the conditions.
Finally, the most used portion of the Flight Service Station is the Clearance Delivery line (888-766-8267). At airports without a tower or a clearance delivery frequency, with IFR conditions present, the only way to get your IFR clearance is to call Clearance Delivery. Yes, it can take a little time sometimes, but you will get a clearance every time, unlike taking off and trying to dodge the clouds without hitting anything, while trying to call Center on the radio (which isn’t safe or legal).
Been a while since you’ve talked to the Flight Service Station? Give them a call, either on the phone or on the radio. Odds are, they are bored and just wanting someone to talk to, just like you are on that long cross country flight!
Checkout 1800WXBrief.com to see all the cool stuff the Flight Service Station does.
When is the last time you talked to the Flight Service Station? Believe it or not, FSS is still in existence. Over the past 10 years, they went from FAA run, the being bought by Lockheed Martin, to now being privately run by a company called Leidos. 1-800-WX Brief will get you connected with a…
The Garmin GTN 750 is an awesome piece of equipment. Garmin tried to make the user interface with the touch screen as simple as possible (though there still is a bit of a learning curve when moving up from a Garmin 530W). Garmin also integrated several key features that the 530W did not have that makes flying with a Garmin GTN 750 in IFR all that much better.
The two features of the Garmin GTN 750 I want to focus on today are the “Load Airway” feature and the “Hold at Waypoint” feature. If a pilot isn’t looking for these specifically, they can actually be a bit hard to find. The “Load Airway” feature is especially handy when flying IFR long distances with several airways as part of the clearance. Here’s how to utilize both.
The Garmin GTN 750 allows pilots to place a holding pattern at any waypoint that is in the Nav Database (or any user created waypoint). Here’s how to do it.
Once the hold is entered, the GPS will go into Suspend mode, suspending the Flight Plan Waypoint Sequencing. Once you are ready to depart the hold, you will have to tap Unsuspend before crossing the holding point on the inbound leg, then the GPS will resume normal waypoint sequencing.
These are 2 of the really cool, gee-wiz features of the Garmin GTN 750. Following the above steps will make IFR flying much easier for the pilot, as well as much more enjoyable!
The Garmin GTN 750 is an awesome piece of equipment. Garmin tried to make the user interface with the touch screen as simple as possible (though there still is a bit of a learning curve when moving up from a Garmin 530W). Garmin also integrated several key features that the 530W did not have that…
When filing an IFR flight plan, part of the process is determining whether or not an alternate airport is required. An alternate airport is required when the following conditions exist(as is outlined by the FAA in 91.169 (b)):
The weather conditions at the destination airport
Let’s paint a scenario. You are traveling from KSAT (San Antonio International Airport) to KHBV (Jim Hogg County Airport in Hebbronville, TX). You start to file your flight plan and get down to the space where you put your alternate in. Since Laredo (KLRD) is the closest airport with a TAF, you check Laredo’s TAF and see that the forecast conditions there at your ETA are ceilings 1,500 and visibility of 2sm.
Based on this information, you need an alternate airport. Now, the process of finding one. In Part 91.169 (c), the forecast conditions at the alternate airport must be at or above:
Alright, now we have some guidance. Laredo is the nearest airport to KHBV, and we know the forecast from the above TAF showing the conditions are forecast to be above the alternate minimums outlined in Part 91, so let’s pick Laredo. All done?
Not quite. A lot of airports have Non-Standard Alternate Minimums. How do you figure out if they do? The easiest way is to look at any approach plate for the airport. In the notes section of the government plates, there will be a black triangle with an A in it. That means there are non-standard alternate minimums published for that airport (in layman’s terms, different than the ones stated above in Part 91).
Now the question is, where do you find those non-standard alternate minimums? On Foreflight:
This brings up the IFR Alternate Minimums document for all the airports with non-standard alternate minimums in that area. Scroll through to find Laredo.
As you can see, there are several notes there concerning the different approaches into Laredo. For our example, we’ll say the winds are out of the south and we are planning on flying the ILS 17R if we cannot get into KHBV and have to come to Laredo. The note there is that the Alternate Minimums for the ILS 17R are actually 700 AGL ceilings and 2sm instead of the above state 600 AGL ceilings and 2sm, the procedure is NA if the tower is closed, and NA if the local weather isn’t received.
What does this tell us? If the forecasted ceilings at Laredo were below 600 AGL instead of 700 AGL, we would not be able to use LRD as an alternate airport if we were planning on flying the ILS 17R. The RNAV approaches are all fair game, so a GPS equipped aircraft would have no problem.
On top of that, some approaches at a certain airport are not authorized to be used in the case of the airport being used as an alternate. At the Galveston airport (KGLS), the ILS 14 is NA as an alternate procedure, but all the RNAV approaches are available.
Picking an alternate seems simple at first, but there are actually a lot of things to consider in the process.
Need help remember all this stuff? AOPA has put out a kneeboard sheet that helps all IFR pilots remember those important things when it comes to IFR flying. Check it out here.
When filing an IFR flight plan, part of the process is determining whether or not an alternate airport is required. An alternate airport is required when the following conditions exist(as is outlined by the FAA in 91.169 (b)): The weather conditions at the destination airport From 1 hour before your arrival time to 1 hour…
