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Fuel planning and performance is the topic in today’s episode. This real world flight will offer you an insight into the importance of this process.



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Aviator90 Episode 29

Chris Palmer: [0:58] Welcome to another episode of “Aviator 90″ from Angle of
Attack. I am Chris Palmer and this is episode 30 of “Aviator 90″,
and this is our flight planning. We’re going to try to keep this
one pretty brief. I’m going to talk about what my decision was
today that affected everything and we’ll just discuss that a little
bit quartile here. And I have some points that I will make along
the way.
[1:13] So let me show you the screen because that will be easier to
explain what’s going on. Brighten it up here, for you guys.
Focus…

[1:49] All right, today as you can see there’s some weather up
here, and we came from this area which is my home base. We’re going
up here to North Dakota. Now, usually we would have gone up this
direction and over. But because of this weather, I just decided to
go direct, and that worked out better for us. Now, usually I keep
the route over some VORs and some airports, just for safety
reasons. And that would be better for us – just a safer situation.

[2:08] Performance was pretty good today because it’s still…
Well, it’s spring now, but the performance is still pretty damn
good. We don’t have to worry about… Well we do have to worry in
certain situations, but density and altitude isn’t as much of a
concern, because the temperature is so cold.

[2:43] The one thing we did have to be concerned with was obviously
the weather, as you guys can see. I’ll get in a little closer
there, and so, yeah, performance has been great. We got into our
cruise pretty quick. If it was summer, this would have been a
different story. It would have been a different flight. We wouldn’t
have gotten to our cruise altitude as fast because of the density
altitude and the warmer air, and therefore we would have burned
more fuel, so that is certainly a consideration.

[3:25] Now, I’ve done this trip many times. I know that I can fly 3
-1/2 hours without needing to refuel, and I’ll show you the fuel
range rings here so you can see… Sorry about that. I kicked it
off. I’ll show you the fuel range rings here. So here, as I
discussed earlier, this is our reserves ring right here. That shows
where we will start cutting into our reserve, and this darker green
ring is the zero fuel ring. It’s very important that we don’t use
our reserve fuel, that we keep that as reserve for obvious reasons.

So today we’re going IFR simple. We don’t have to deal with a lot
of maps or anything. But you know, this is a map in and of itself.
It’s great to have a GPS like this where I can just follow
things… to show you how detailed it can get, but follow things on
a pretty detailed basis here [inaudible 3: [4:13] 56] range, and
you’ll see you start seeing airways and VORs and everything, so you
get down into here. There’s Billings, Montana [indecipherable 4:08]
. Sorry this is so shaky, guys. It’s just a little bumpy up here.

Let’s talk about FS, flight simulator. [inaudible 4: [4:37] 23] you
guys over here. I’ll pull this back a little bit so you don’t have
to see my bug up close. I think that should be good. If not, you’re
going to be looking at my nose hair or something.

[5:16] All right, so there are some sources you can use for a
flight simulator to do some flight planning. One great one I like
is CheckWX.com. What that is, is a website where you can pull up
weather for any airport really quick. You can get an idea of what
the weather will be there. That’s very nice. I really like “Real
World Weather” when I’m flying in “Flight Simulator” for a program
like “Active Sky”, which you can find at HiFiSim.com, or “Real
Environment X”, which you can find at RealEnvironmentXtreme.com, I
believe.

[5:48] Just google it. Those two both have a weather generation
program. I like REX better, because it’s just more simple for me.
It doesn’t have a lot of whiz-bang features. I can load up a flight
and do it quickly and it also has the best texturing for “Flight
Simulator”. It has clouds, it has runway textures, it has different
sun textures, different water textures, and that is integrated with
the weather engine.

[6:18] Another great source, and I know the maker of this has
followed our blog a little bit, is “Plan-G”. I’ve just barely
started getting into “Plan-G”, but I really like it. It’s a great
free program. I’ve actually been flight planning with it quite a
bit for some of the “Aviator 90″ stuff I’ve been doing. You guys
are definitely going to see that, because I like it a lot. But
google that if you want to look at it now, “Plan-G”.

[6:48] Another one, more complex, maybe if you’re a big metal,
heavy metal airliner guy this one would be better for you. It’s
called “FSBuild”. It’s great for everything, too. It’ll
automatically generate a route for you based on what you punch in.
Great program, it’s been around for years. I really like it, I use
it for all my PMDG stuff and all my airliner flying I do, when I do
that.

[7:00] Another real world source that a lot of guys use for flight
simulator is FlightAware.com and you guys can actually track my
flights on Flight Aware as they’re happening.

[7:31] The cool thing is that other airlines are all on there too
but they have to file the route on there so you can pick up that
route. You can put it in your FMC or whatever. Or if you want to do
a single engine one, there’s a feature on their website where you
can search to airports. So you can if someone was flying from the
airport you want to go to and then see what they filed for their
route. That’s another way to get it.

[8:00] Really that’s about it, I mean, we’re going to get into
flight planning more as we go along here to a certain extent. As
you have noticed throughout these last several episodes, I’m not
huge into getting really detailed about flight plans. I think it’s
useless. You can’t just calculate every knot of wind, every
deviation, every thing that’s going to happen in your flight. It
seems unrealistic.

[8:19] For example, earlier we were flying near Jackson Hole,
Wyoming, just about an hour ago and I started to pick up ice. I
didn’t want to stay in the ice and so I requested from air traffic
control that we deviate 30 degrees to the right to get around the
weather and then from there we got direct again.

[8:48] But you know that’s something you don’t plan on and the
reason why we couldn’t have planned on it is because that dang
icing report wasn’t even there. There wasn’t even a notification.
How can you plan on something you don’t know about? We talked a lot
about that, the up plan, being prepared for what’s coming at you,
taking it as it comes, and in a lot of ways that’s more important
than a perfectly planned out flight plan.

[8:59] You need to have some certain amount of flight planning. You
need to know what the heck you’re doing. That does it for this
episode and we’re done with the flight planning stuff guys.

[9:20] Now we’re going to get into the part that I’ve been waiting
for since episode one, this whole time, which is actually doing
some cool flights with you guys and doing the 10 cross country
flights for Aviator 90. So that’s it for this for this episode of
Aviator 90. Until next time, throttle on.

Transcription by CastingWords




Please comment or ask a question! We would love to hear from you.

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  • Ralston

    Interesting video… was that a client in the background?

    and also when the useful load is used up completely is that performance rating at sea level or can that useful load be used at higher density altitudes?

    thanks

    ralston

    • http://www.flyaoamedia.com/ Chris Palmer

      That was actually my Dad behind me ;)

      Useful load is good for all altitudes and all conditions. The numbers that change are the takeoff and landing lengths and climb rates. With that in mind, one can sacrifice excess fuel or a small unwanted child for better takeoff or landing performance ;)

  • Ted Wagner

    Once again, without fail, another great episode Chris. I really enjoy hearing the radio chatter in the background.

    Which headset is that by the way?

    • http://www.flyaoamedia.com/ Chris Palmer

      That is a BoseX Aviation Headset. Pretty nice! My Dad actually has a LightSPEED Zulu, and I like that one a lot more. It’s a bit more comfortable and has some neat features.

  • Pingback: …und die nächsten 6 Flugstunden! « Westwood Inn (P)Reviews

  • Alexander Hughes

    Hey Chris,

    What are those tubes u got in ure nose?

    Just curious

    Alex.

    • http://www.flyaoamedia.com/ Chris Palmer

      That would be supplemental oxygen. When flying above 12,500 for more than 30 minutes, you have to have this oxygen. Looks funny but it keeps me from passing out ;)

  • Alexander Hughes

    Ahh yeah, though this one was pressurized. So you guys have to carry bottles of oxygen every time you guys wanna fly higher then 12,500 feet? Or does the aircraft make it on the fly? heh?

    • http://www.flyaoamedia.com/ Chris Palmer

      Nope, not pressurized. The aircraft has a built in oxygen tank and oxygen system. We basically plug our little oxygen device into the ceiling and we’re all set. I generally always cruise above 12,500 because cruising performance is much better up there.

  • http://www.flightsimnation.net/forum Paul

    Exactly why is the higher you go considered a higher density? My though process makes me think higher density means a lower altitude.

    • http://www.flyaoamedia.com/ Chris Palmer

      Higher density of air does mean you’ll get that at a lower altitude. But we are talking about higher ALTITUDE. Let me explain…

      Basically Density altitude is a performance altitude. It’s the altitude at which the air, temperature and so on are ACTING like, not what it actually is.

      So a colder (more dense) than average area will more than likely have a LOWER density altitude because it is denser. That’s good for aircraft performance!

      However, a hotter than average day at a higher altitude would give you a GREATER density altitude (or the aircraft is ACTING like it’s flying through a higher altitude). That is not good!

      The dangers for density altitude are HIGH, HOT, and HUMID. Any one or a mix of those you need to be cautious.

      So say you have a field elevation of 3000 feet. On a really hot day, the density altitude may be 7500 feet. That means that it’s basically like the aircraft is at 7500 feet, and your plane will perform as such.

      Pretty interesting, eh?

      You can try this out in sim. It’s pretty eye opening! Just use the same flight, do a cold temp using the custom weather and perform a takeoff. Mark where you took off, reset the flight, and then try it again with a really hot day.

      • Charles Earl

        Interresting that this is brought up! I had an unplanned emergency in FSX on VATSIM yesterday due to pilot inexperience.

        I fly all the time in PNW area using mostly real weather or close to it. Usually I only mess with visability and cloud to keep things VFR. I fly Cessnas from CArenado and the default 172SP all the time so I have come to expect certain things in terms of behaviour.

        Yesterday I jumped onto VATSIM with my Default 172SP and the only controller up was in Albuquerque New Mexico. So I decided to do a quick flight from Alexander Municipal to Double Eagle just to the West outside of the city of Albuquerque.

        I did not plan my take off well at all. I was in a rush. I did the checklist for takeoff for the 172SP and did Mixture FULL RICH. I pulled onto the Runway at Alexander and Throttled up to begin my take off to Depart on Runway 3. The runway is VERY long. Over 6000 feet! But the airport is 5,193 altitude and it is HOT out.

        I could not get enough to get off the ground very well. Once airbourne, I did a pitch angle I was used to from months of flying in the PNW. I was not watching airspeed too closely. Guess what happens next? I am a few hundred feet in the air. 10 degree pitch angle fighting to make 12 degrees pitch to climb. Nose feels heavy. Controls are getting sloppy. Then I hear the stall horn blaring in my headset. First thing in my head is WHAT THE @#%^$##@! Why wont this thing fly? I can climb well at over 5000 feet. I do it all the time. What is happening? Starting checking throttle. Nope Full. Flaps? Nope they are up. Having trouble keeping speed over 65kts with any pitch. Horn keeps going off. Losing controll of the plane. Feet are on the rudders left right left right. End of the runway comming.

        Having watched this series and had some external guidance from a very patient pilot friend of mine over coffee, my brain clicks. I look down and I had not set trim to T/O. Fixed it. It helps but I am still getting sweet tweet for power. MIXTURE!!!!!!!! I have the Saitek throttle quadrant so I reach over and start pulling it out and of course I hear the RPM’s climb and the 172 responds and I am back in control.

        I now understand how people get killed doing this. That was 2 simple checks I missed. Had the plane had more weight in the load screen? Perhaps a few people and bags added? I would have stalled for sure. 100 foot drop + humans = bad.

        I will not forget my little sim lesson. Let me tell ya. Next time I am in a plane with someone, you can BET I will be doing my own silent checklists from the right seat.

        Charles.

  • Matthias

    Thanks for sharing that nice little story of yours, Charles. Love to read that stuff!

  • Les Appleton

    Chris,
    Listening to this episode reminded me of how little I know about aircraft fuel types. Obviously they need to be different from automobile fuels because of the lower temperatures involved but thats it. Can you enlighten me?
    BTW giving a lesson while flying has got to be a first, great multitasking.

    Throttle on
    Les

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