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3 Things You Might Be Missing On Your Preflight

by Jason Schappert

We do a preflight each and everytime before we leave the ground. However I bet there is a few things you might be missing. In this video I’ll share with you 3 VERY COMMON items that student pilots and pilots alike miss on a regular basis.



What are some other ideas or items you feel it could be easy to miss? Tell me in the comment box below.

Text Transcript

Hey everyone, Jason Schappert here, MzeroA.com. On today’s video I’m going to share with you three things you should definitely be checking each and every time before you fly on your pre-flight inspection but you might be overlooking, that you may be checking every now and then, and that sort of thing. So without further ado let’s go ahead and share those three things with you.

The first thing you might be skipping on your pre-flight is actually tire pressure. Now pay attention to this. This is a Condor 600×6 tire. For the tire pressure you should go onto Condor’s website because you cannot see it on the tire itself. It should be between 35 and even as high as 45 PSI but do check the manufacturers website. You know don’t take my word for it. So let’s check this. It actually looks good by the way. The tire pressure was actually 25 PSI. So let’s take a look at this though. On pre-flight when you look you can’t put a dent in the tire. It looks good because it does not push out and looks fine but this is low PSI, lower which seems too low. Maybe you want to take some air out when you make your landing soft, but I don’t know. But you are really shortening the tire’s life by not having enough air pressure in those tires. So check that tire pressure’s cap so you can do a search so you know what tire pressure it should have.

Let’s move to the second thing now. The second thing is the aileron connecting rod. A little safety precaution here too. When you are working with the aileron you want to make sure it is up with one hand because when you are checking and a gust of wind comes and it closes on your finger you won’t feel so good. Check this connecting rod here with the other hand. You want to hear and feel this. You can hear it but you cannot feel it. It should have a little wiggle to it. Some people just check and see if it moves. It is one thing for it to move, it is another thing for it to be properly attached, which helps make sure you check those aileron connecting rods.

The third and final thing is fuel quantity. So who would not check fuel quantity? Well the same people who find themselves short of the airport because of fuel exhaustion. I always use a fuel stick. Some low-wind aircraft have the tabs. It is one thing to visually look in there, it is another when you have a physical value to it. Stick it down, bring it up, it looks like we have just four gallons. Four gallons in a fuel tank isn’t a whole lot of fuel. Good thing we checked. Quantity is another thing. Ask yourself this, if I have four gallons in this tank and ten gallons in the other, and my fuel selector valve is on both you might think why is gas coming out of this tank and none out of that tank. Maybe you have a fuel problem.

So those are the three things; your tire pressure, your aileron connector rod and your fuel quantity.
What do you guys think? What are things you in particular check? I would love to hear them, so leave me a comment below this video on MzeroA.com. I would love to see what you guys think. So I will let you get flying and remember a good pilot is always learning. See ya.

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  • http://www.facebook.com/profile.php?id=544176184 Dave Grier

    HA!!!  I got 2 of the 3.  The tires I don’t check pressure.  Will now though.

  • Jason Brasher

          Interesting bullets!! I def do perform 2/3 bullets. I always considered checking the tire during pre/ post flight and even on my checkride, it was something I should consider, but I didn’t, no one else mentioned, but I do at the least do a quick eye glance. 

  • elheffe771

    I used to place a small strip of tape on the belly of our trainer that read: “Huge gaping hole.” Most students never check the underbelly of the airplane except to check the antennas. Only a handful of truly astute students would notice the tape.

  • Ssn575seawolf

    I always like to look at the plane as I am walking up to it to make sure it looks right. and the air tire  pressure is a very good point.

  • Gkouba

    anyone checking the counter weights on the all the control surfaces?. Does that trim wheel  actually move the trim tab?

  • JB

    On older Cessna’s I eye ball the seat tracks for stones or any other wear that I can see. 

  • Capt. Pat

    Make it a safe flight by VERIFYING FUEL with stick gauge BEFORE EVERY FLIGHT!  If you leave your plane for even a few minutes, you expose your tanks to fuel thieves.  Over the years, my plane has been hit twice by gas thieves while sitting on a visiting tarmac for just a few hours. 

  • Central CA Flyer

    Student pilots often have NO idea of what all those wires, tubes, and devices are under the cowl. 

    Spend some time leaning how they relate to what you learned in ground school. 

    As to the inspection, in addition to just looking for leaks, secureness and cleanliness/free
    of oil, burning/cracking/checking, and stains (oil, smoke, fuel,
    unknown),  it’s good to (gently) touch  things (especially movable wires, hoses, tubes, covers, etc., but also supposedly “fixed/attached/solid” items) and note if they are secure at both ends/all attachment points,.

  • http://www.facebook.com/profile.php?id=100003315929360 Lee Marshall

    For tire pressure be sure to check the POH for the aircraft.  
    For example, my PA-28 POH specifies 24# in the mains and 30# for the nose tire and  the 1975 C150M POH specifies 21# for the mains and 30 for the nose.
    What you find from the tire mfg. is likely some maximum value based on the tire itself.

  • Cyclefiend1123

    Ive always just pushed on the tires, so your recommendation to actually check
    Pressure is excellent. As to the ailerons, on the C150 I fly I also check that the cotter pins are in the aileron hinges and they the hinges aren’t showing any obvious stress cracks. I check for cracks in the flap tracks as well.

  • Sam

    Hi, Jason
    I watched your video on the three things sometimes overlooked. I noticed when you were checking the tire pressure, air was comming out while you had the gauge on the valve, you cannot get a proper reading this way. I highly respect your knowlege and follow your lessons to a tee.

    PS. Hope this does not affend you!

  • Larry M. Diamond

    When I am checking the connecting rod on the aileron I also make sure the cotter pins are in the hinge. I also when moving the ailerons look over to the other side and glance at the yoke to ensure the ailerons are going in the opposite direction and the yoke is moving in the right direction. I also check the integrity of the belts looking for cracks and how much give the belt has. Last do not forget to check flap slides for debris. Also looking to make not to clunk the back of the noggin.

  • Julie

    Hi Jason,  Thanks for the great videos.  I have soloed and done one dual cross country.  My CFI tells me NO! to checking tire pressure.  He says that is ridiculous and could be dangerous as most people end up letting more air out of the tire when they check it.  Help!

  • Rfcstork

    Jason: Robert here. I personally get down on my knees and look at the entire under belly of the plane. Story of a new instructor that did not do this and he did not realize that the last flight on the previous day, the plane stuck a saw horse at the end of the runway. This was a piper and the wing was opened up like a tuna can. He missed it on the preflight. But, even the fuselage can be damaged on a Cessna. Also check to make each screw is in the nose come over the prop. Stories of it missing some and in flight it loosens and becomes unbalanced. Just some thoughts. Great short video. Was fun Monday night.

  • mzeroa

    Wow Robert! I can’t believe that! But can totally see it happening! Nice addition thank you!

    Jason

  • mzeroa

    Julie as a CFI and aircraft owner I’ve paid for one too many tires because of premature wear directly related to low tire pressure. If your CFI feels you’ll let out too much air checking kindly ask for him or her to show you the proper way so you don’t let out too much air

    Jason

  • mzeroa

    Nice Addition Larry! Greatly appreciated

    Jason

  • mzeroa

    Never once would you offend me Sam! I totally agree with you. I’m very much a “one take video” kind of guy and didn’t realize this until it was back on the computer being edited. Regardless the video was more to say “Hey Check your tire pressure” rather than “this is how to check your tire pressure” so I let it slide :)

    Jason

  • mzeroa

    Nice man! Glad to have helped!

    Thanks for the comment

    Jason

  • mzeroa

    Interesting! And that’s the thing. The POH may say one thing however the actual tire mfg another

  • mzeroa

    I love this idea! I wish more flight schools let their students get down and dirty

    Jason

  • mzeroa

    THANK YOU!!!!!! You are spot on! Some people call me neurotic for checking fuel so much but I’d rather be safe.

    Jason

  • mzeroa

    So I’m assuming you had a seat slide back once or twice? :) hahah Old cessna’s are famous for it

    Jason

  • mzeroa

    Counter weights are something I’m big on! Good call

    Jason

  • mzeroa

    I like that point! A good overall picture. I do that as well

    Jason

  • mzeroa

    NICE! I’m going to use that trick!

    Jason

  • mzeroa

    Nice Jason!

    Jason

  • mzeroa

    2/3 isn’t bad my friend
    :)

    Jason

  • http://www.facebook.com/profile.php?id=1093222495 Kendall B. Cargill

    Hi Everybody. Two weeks ago the trainer C150 was inspected. During the inspection, the horizontal stabalizer was gently checked for secureness. It is segested to check this from about a foot out from the fuselage. There was no movment or play. How ever when checked from out at the end of the stabalizer
    there was enough play found to take the plane out of service to have it replaced.
    Also there were no signs of staining from rivits present. Just food for thought.
    If a wing or other part of the impenage is checked this way it should be gental as not to cause problems.

  • Beak6879

    Jason:  Great video.  As a pilot landing on a flat tire once, I can tell you it’s a surprise!  Checking the tire preasure may not have helped, but I can tell you I check the tires more thouroughly now!

  • Ghpichon

    Jason, that is the first time i  seen a fuel stick. I’m gonna get me one. I usually visually look in the tank or use a wood stick. The tires and aliron hinges i usually look them over but will check them closer in the future

  • Steve W

    Make sure the gust lock ( the wooden type that attaches to the rudder) is removed before flight.

  • elheffe771

    Jason,

    I’ve followed you for a while now and believe that we have the same intentions. i.e. pass pilot check rides and be safe pilots. I’d like to promote your products: however, I don’t promote anything without first reviewing them. My site is http:/www.aviationmd.com. Although, your a competitor, I thought it would be best to contact you first. Maybe we could work together?
    Peter Heffernan
    321-266-3739
    http://www.aviationmd.com

  • http://www.facebook.com/david.hinton.1023 David Hinton

    Although I do not check tire pressures every time (moderately regularly, but honestly not as often as I should!), there are a number of other things I do;

    As I walk alongside the fuselage of our 150 I run my hand along the lower portion, if any damage has occurred one should feel any wrinkles.

    In common with many others I check the cotter pins in the aileron hinges as well as the link and also that both ailerons move correctly.

    I always check fuel first and then, when I am at the tail I eyeball the fuel caps to make sure they are aligned and correctly seated.

  • Burnham Andrew7

    STANDARD WX BRIEFING! I do one every time I fly and even if I’m not flying on a flight plan and practicing in practice area with the University. Always get a WX brief!

  • http://www.facebook.com/asghar.shah1 Asghar Shah

    GR8 video I always ck the weights  on the flaps of the C172 cotter pins and when I am at the rudder I for some odd reason always check the tension on rudder connecting cable ? don’t know if I am doing the right thing ?

  • A.C.

    I always check the quantities of the fuel, and I look at the aileron: hinges cotter pins and connecting rods. but I have never checked the tire pressure before. I think I’ll recommend it to my CFI and see if we can add it to our pre-flight! ( also when I drop the flaps down, I glance at the aileron control cables to see it maybe they’ve rusted or frayed.)

  • Paul Ruderham

    Hi Jason,
     
    Thanks for the info. I have never checked the tyre pressures on the club Warriors I fly, we all presume that they are ok. Maybe we should ask for a guage to check them.
    I personally always do a visual on the fuel contents, along with stall warner check (this is an easily forgotten item) and hinges check on the aleirons and stabilator.
    Also most people forget the two push buttons inside the warrior that clear out the pitot tube.

  • GregoryDan

     I had a great flight instructor and he drilled into me the following preflight checklist:

    - check for any cuts in the tires / inflation

    - check for any oil blowout from the exhaust

    - check for any leaking brake fluid

    - check stall indicator and pitot tube for loose debris

    - drain any water from fuel tanks

    - check fuel gauges after dip-sticking tanks

    - # of flight hours (how close to manditory inspection / annual)

    - check that the aircraft registration, certificates and any other
      paperwork are up to date

    -  check that the “JESUS” pin is in place (horizontal stabalizer)

  • MikeSaul

    Jason and Larry,

    I count myself as having had a solid set of instructors during my training. We went through all of these, and then some. We used the typical pre-flight checklists, then added several “good to be aware of” items like these. As always, great information, followed by great comments from your fans!

    Thanks!

  • Deblv2fly

    To not loose a fuel dipstick in the tank, take a popsickle stick and use a rubber band to put it a few inches from the top of the stick so it forms a “T” shape on the stick.

  • http://www.facebook.com/FirthHaigh Firth Haigh

    Very much like the fuel stick, have to be a lot better than a broom handle dip stick with indications, cover the rest of the items and more in the video, awesome idea with gaping hole here tape!
    Firth from Mount Isa

  • Matthew Everett

    One thing I always do is physically look in the baggage compartment. It really defeats the purpose of doing a weight and balance if it is inaccurate. I must confess, this comes from a solo flight where I lugged a case and a half of oil (adding probably 35 pounds or more) back there without realizing it. I found it, when I was getting the tow bar. It didn’t really effect the safety of flight, but it could have.

  • Dchanson55

    good tips

  • Acorniellec

    Inspection plates is one of the things i always inspect because the screws are missing during flights and after the mechanic forgot to put it back i added it to my checklist 

  • Mlloydking

    I always check the locknut and cotter pin on the nose wheel. Many Pilots seasoned and Studant do not cHeck that and it could be a big issue.

  • http://www.facebook.com/tedirelan Theodore J. Irelan

    One thing I DON’T do is FAKE IT! Seriously, I’ve seen too many students run through the checklist and half hazardly check things because they “have to”. They have this desire to get through the pre-flight so they can get to the “fun stuff”. I personally not only take my time, but actually think about why I’m doing each action and how important it is that I do it while on the ground (especially since I’m not getting charged for the plane running!).

  • Sky74834

    I teach my students the same three, but I don’t physically check tire pressure, perhaps I will incorporate that into my teaching and personal flying.

    Lesson learned: I had a great student, post solo, so to be nice and save time, I told him I would preflight the right side and he could do the left. I checked everthing on my side, he passed me the dip guage, then he got a phone call. I gave him the dip guage back and climbed in the right seat, he strapped in the left. I did the takeoff, just for my practice, I rotated when I felt lift on the wings, checked the airspeed indicator for “needle alive”, set the pitch for Yy,  retracted the flaps, checked the  airspeed, and it showed 50K, and was increasing very slowly. I told the student we would return for landing since the airspeed indicator was not indicating 76K as it should in a stablized climb and we probably impacted a bug with our pitot tube. The student had a “sheepish” look on his face and I asked what was wrong and he said, “I think I forgot to remove the pitot cover”. I looked around the pillar and sure enough, I could see the red flag flapping in the breeze.

    Four good lessons learned: 1. if your checklist flow is interuptred, double check you did not miss anything 2. don’t split the preflight 3. it drove home the point that if you set the correct pitch and power, and the airspeed is not as expected, then something is wrong 4. it proved what all pilots know, that if the pitot tube is blocked, but the drain port is open, the airspeed indicator works just like an altimeter: on climbs it increases and on descents it decreases, but is very inaccurate.

    I always do a preflight, before my student arrives. Now, before strapping in, I do a walk around to check for the obvious…pitot cover removed, chocks removed, etc. I also, do not offer to split the preflight with the student anymore.

  • Mdkenney

    rudder wire – be sure it is securely fastened. Once had it come undone on a cessna 172.

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