Stig Shift #27 (Aircraft Maintenance Adventure) 

Hey Stig you got the IRS concept a bit wrong, the IRS itself only computes the inertial position by integrating data from accelerometers and gyroscopes starting from the initial position set at the gate, you can see it as being in a car blindfolded only knowing where you started from and figuring out where you are only by feeling how the car is turning or accelerating/braking, the more you go on the less accurate your positon estimate will be, and that's where the drift comes from. GPS position on the other hand doesn't accumulate errors because every second it feeds instant measurements from different satellites but it has a bigger uncertainty spread, and this is fixed with differential WAAS stations that make it precise enough to fly instruent approaches off GPS alone. In the end planes use a "tightly coupled Kalman Filter" algorithm, that in short words uses the coordinates both IRS and GPS think they are to calculate a new position that has a higher accuracy probability, and every second it feeds GPS data into the IRS to correct for the drift, like doing a new position initialization every second. Sorry if I wasn't clear, I'm an guidance and navigation engineer but english is not my first language.

Stig i just got my A&P Today! thank you for your support!

Stig, I think I speak on behalf of most if not all of us, if you started a Porsche restoration channel and we got to watch you build a 911 from the ground up, we would watch!! Oh and it was awesome to see you live on Kevin’s stream!! Just so you know I walked up to my office job this morning BUT I said as soon as I walked through the door in my best Stig voice “Gooooood Morning everyone! Let’s have some fun!”

Stig, never worry about boring us or being repetitive. I love your videos and whether your moving airplanes or at the gate or in the hangar, I am always learning something and reminded of how lucky you are to have the job you have and for pursuing your dreams. Aviation is made for people like yourself and the fact that you can share it with all of us is amazing! I'm "disabled" and although I dont like that word, its the one most appropriate to describe my situation. I was injured pretty badly while deployed to Afghanistan in 2009 and so I wasnt able to pursue my dream of being a commercial airline pilot and I am not able to do any techincal job like maintenance or anything related to aviation because of how sever my injuries are. I dont say that for you or anyone to feel sorry for me, so please dont. I mention this because I look forward to your videos and dream of what could have been. So, keep em coming pal. You make this old veteran feel apart of the aviation world I love. 🙏

Thank you Stig for keeping it politics-free. That's the great thing about aviation - it unites people instead of dividing them. No matter who owns it, that 757 is such a beauty. So clean and shiny!

Stig you’re the man! Thanks for documenting your super cool career. Brings confidence to air travel knowing there are people like you who take pride in your work keeping people safe.

I've always heard that the ashtrays are there so that if someone does smoke, they can at least safely dispose of the cigarette without creating a larger fire.

Thank you Stig for your kindness & all the videos & knowledge you provide to us.

Got my coffee.... let's go!! Yay! Thank you Stig. 😊😊

Hey there Stig. Last Friday, I was accepted into the A&P school at Paine Field. It's been a long journey to get this far, and it's only just the first step. I'm incredibly excited for what is to come, and wouldn't have gotten here without you. Thanks for all your videos, really helped inspire and get me even more excited to get to work in the future.

Your right, that seven five is a sweet bird.I agree, whole heartily!!

That 757 is truly a beautiful example of the hot rods of airliners. Thanks for these videos, you have an awesome job.

Stig, another great video! My wife and I are flying to Hawaii next month. Your Airline wasn't the lowest price but I chose it largely because of your videos, and those of a couple of flight attendants. Thank you for the time and effort you put into your job and videos!

Thanks for showing my favorite livery - PSA! Ah, those old days... Can you tell I'm old as dirt! 😅

21:25 butter landing! Hey Stig! Big love from Hong Kong I’m loving every video you put out just to educate us aircraft enthusiast! I am going through Aircraft Maintenance Mechanic Trainee and this is the reason why I can’t stop learning! Thank you much love from Hong Kong.

My morning STIG. Better than chocolate with a fig! He moves swiftly amongst the main landing gear. Thinking always, what shall I post the rest of the year? There appears a problem, once in a while. STIG takes it on with a coffee and a smile. Never a dull moment when STIG leaves us a post. For me, his personality impresses me the most!

I really want Stig Ghost stories now that he mentioned he has loads! Thank you as always for the content Stig!

We Love your videos Stig. Keep them coming buddy!

Thank you for your dedication and love! Let’s keep moving forward together and create a better future together🥰

It is so uplifting to share in what it is you love to do. Operations is so important to flight, yet is almost taken for granted. Seeing ground ops up close, will never not be cool. As always, thanks for sharing!

The one other thing besides cargo that never disappoints is Stig! 46:30 No French caviar for you Stig XD

As soon as I saw you dropped a new video, I smiled and had happy tears, and so I clicked, and away we go! Cool, I got to see inside a fuel tank. I love party mode lights! Nice cars! Nice looking 757-200, biggest business jet I've ever seen lol. I agree, the 777 is truly magnificent. I loved watching the main gear tires role while under tug. I watch this, It never gets old for me Stig. Wow, that EVAC alarm is very noticeable, I felt like I was experiencing a fire drill lol. I hope your new pouch lasts longer. Plane gets some sweet skydrull, just don't get any on you lol. Stig becomes plumber for a day, faucet works great now! I adore watching you taxi, my awesome Stig break rider. 😊

This is such an interesting perspective. I used to travel extensively for work, and watching airport operations was always an interesting break. You do a great job of presenting aircraft as elegant machines.

Ha ha i still smile when I see you smack those throttles 😊 great video as always.

The cargo bay of that triple seven is the size of the first apartment the Mr n Me had! Hope you get to catch some of the AVL 24 hr show. Bringing gifts for the guys - should be lots of fun with a ton of laughter. Thank you so much for every guided tour you give us. Everything is always a wealth of information. Always something new to learn and old stories revisited with enthusiasm. Later, Gator! 🐊

Good morning/afternoon Stig (I’m from England so I’m not sure of the time over there😂) I got a new phone so I can finally watch your videos on the go YAAAYYYYY

Thank you stig!!! I’ve been waiting for your video all afternoon!!! Favorite part after work!!! ❤️❤️❤️🥰🥰🥰🥰

Man. I wish when i graduate i will be able to work with people that are willing to teach like you do Stig! So far, reading the comments section gives me alot of hope in this community 😁

I am so happy that I found your channel. I haven't flown for years and always wished I could have become a pilot. So I love aviation. Really miss the days where I could sit with my daddy at the gate and watch planes✈ take off and land. Being raised a lady that can do anything, I could have been an aviation mechanic from watching your channel. I grew up a farm girl so I can repair🔧 a lot and change tires too.😊 Too old now.💀 Lol. I really enjoy these videos especially "what is in cargo?". Even my husband likes that part. Thank you for talking about President Trumps plane. I knew it was getting an overhaul, but didn't know any details. Lovely engines and paint job. Do all airlines have maintenance look at the plane each time they come in like American? I certainly feel safer flying in the future from watching your video's. Thank you for taking the extra time it takes to post these videos. Keep up the good work. Oh, I was watching planes take off and land on another channel, the holy moly guys,when the guys saw you and you waved👋 at their camera. That was great. Stay safe!!!🛫🛫🛫❤🤍💙🇺🇸

Hi. Stig, I am here again, watching your new youtube together with my brother. Awesome!

Howdy Stig! I keep forgetting to ask, but is your handle a Top Gear reference? 42:30 You explained the IRSs pretty well. In the bus we have to check the drift after every shut down as part of our flow. Anything over 5nm error over 2 hours we have to write up. I'll maybe get one once quarterly, I'm sure you see more. In recurrent training we occasionally practice flying with all of them failed, using nothing but the standby instruments. It's... unpleasant. 46:30 BLASPHEMER!!!! I'm jealous LAX always gets the NEOs. I hardly ever get them in DFW 😭 Great job as always.

Love the PSA bird. I remember them well from the 60s and 70s. I flew on one of their rare BAe-146's in 1988.

Your sense of humour and vast knowledge of these beautiful machines really brightens my day! Thanks Stig!

That Trump 757 is a beauty!!

moving aircraft ASMR 🤤🤤

Hello Stig, another very interesting view of your work & inspections at LAX. Thank you from Stephen from the UK.

Learn something new everyday - the red light in the 777 main wheel well. Thanks Stig!

gorgeous trump 752

When I went to turkey on may 20th I got to sit in an A320 cockpit and the copilot helped to take pictures while I sat in the pilot seat and it was also my first ever time in an aircraft in the A320 family

We salute you Stig, another great compilation of facts, figures, freight and fun. Nice to catch the A340 at the end too.

I remember watching a doc about the Trump 757 and they mentioned a point I never thought of before. Since its a private jet the pilots have to do some extra work compared to airlines. Dealing with fueling and some extra logistics, etc. where airlines have personnel who do that sort of thing. Great video as always, Stig!

I’ve never been this early😅

Great video, thanks Stig. Never boring it’s just a privilege to hang out with you on the airfield.👍

This has been so far my Highlight Video from you to this point, i would have never thought i see a Singer Porsche with a License Plate from my German Hometown in LAX but i guess i can scratch that of the List 😅 The Trump Livery on the 757 looks super nice !

Nice Leatherman! Never leave home without it!

Thanks for the longer form videos! me and my 3 younger brothers sit through each and every one of your videos eery time! One of them points out every police and fire truck, the other names each aircraft variant and what type engines they have every time one comes into the frame 😂 they have learned a lot from your videos and I hope when one of them is older they will pursue a career in aircraft maintenance. Thanks for the awesome content 🤙

lovely episode, especially that quiet alone ride being taxi'd to your place. darn that was so cool :D

Stig, I wish there was more people like you and I, happy and chipper in the morning 😁😁

I am fascinated with all your videos! Well done! If only AA allowed me to follow and be your shadow for a day at your “boring” day at the airport… I would be the happiest man! The secret of your channel is that you love what you do!

Stig, I am impressed by the ordinariness of the tools required to maintain both the Boeings and the Airbuses. You use ordinary wrenches, screwdrivers gauges and other simple tools and most of your repairs are fast. The plane's computers & your routine inspections lead you right to the faults.

I watched the lot! The more the merrier. Thank you Stig

Awesome job as always Stig! When you mentioned repairs and the SRM, I remembered when I was working at aircraft manufacturer in the late 90's. I had to review a repair done by an airline outside of the US that had used a stop sign to patch a hole and used it as a doubler. We of course rejected the repair and told them the proper way to repair the airplane. You always use the yield sign instead!! 🤣 ...but seriously that was a fun little repair. Keep up the great work!!

Hey Stig! 37:30. Just wanted to add a small correction. The Ram Air doors on the 737 are not simply spring loaded to close in flight. It’s a bit more complicated. The doors are actuated with AC power from the associated AC transfer buss and controlled with power from the associated side DC buss. The CBs for these doors are on the P6-4 panel behind the FO seat, rows A and B. The PSEU uses the Air-Ground sensing and the pressure differential either side of the heat exchanger (to detect blockage or dirty heat exchanger) to determine when to close the deflector doors. In the cockpit, the two blue lights [RAM DOOR FULL OPEN] on the air conditioning panel normally extinguish in flight. If they remain illuminated, that is the notification to the crew that there might be an issue with blockage or a dirty heat exchanger. There is no action that can be taken in flight, hence the blue instead of amber light. The blue Ram door status lights have been removed from the Max and are only found on the NG.

I really enjoy when you move the planes around especially when it goes to some stand that seems really remote and quiet for the plane to rest ❤

Hey Stig, I just wanted to say thank you so much. I am currently a student getting my Airframe and Powerplant license, almost completely done with my airframe. Without telling my whole life story, I wanted to work in aviation, specifically as a pilot, but I couldn't keep up with the cost after my private license so I switched to the maintenance track. I had a pretty poor attitude, but you have changed that. My instructor introduced you to my class during our landing gear section due to your amazing video a while back working with the tiebolts that stripped and clogged up the brakes. I have since watched more of your videos personally and have been super inspired by your positivity at work. While I am aiming to work on helicopters and not in the airlines, I am so inspired by how much you love your job and the fantastic information you give that helps me understand systems even better. So, again, thank you so much for being awesome! Keep up the great work and keep having fun!

Ive said this many times and im saying it again, i LOVE this channel so much. I love the length of the videos. I love the information you provide. I love your job. Keep em coming Stig. Us aviation geeks, who will never get to do this, will watch these videos forever. You're the man buddy

Hey stig! Absolutely love your videos! I’ve been watching for around a year and I love the detail and information you always provide. Love when you go check out cargo as well. When you end up getting that Porsche let me know. I’m more than happy to help. I’ve been an air cooled Porsche mechanic for around 5 years now. Have a great one and keep the great videos coming!!

Your videos take me back a few decades to the start of my career in aviation. The only real difference is I would be walking towards a B747, the Queen of the Skies. I’m doing the walkaround right along with you. I love hearing the APUs running, the packs screaming away, and I can almost smell the jet fuel! It's an amazing career. I’m coming to the end of mine. I’m in training now. I got to see the world and I have a lot of great memories. Maybe it’s not for everyone, but we need more people to join the field. People like you need to promote aircraft maintenance. I really appreciate that you show a very positive side of the job. Keep up the great work!

I sure do enjoy your videos I am subscribed to your channel and I sure do enjoy those cars you show to on your break but I do learn a lot on your videos😊

Yay! It's Friday, I get my weekly dose of Stig :)

Hey Stig! Just wanted to add that the small metal medallions on the fuselage are really helpful for the pilot performing the pre and post flight walk around. If there is a dent with a medallion, we know that the damage is preexisting and already documented. If we spot damage without a medallion, that warrants further investigation.

37:20 the beautiful connection of the wing and fueselage ❤ Looks so huggable😂

Catching up while waiting for my flight home at LAX. You're top notch - both your content and you as a person. Everyone at the AVL 24h appreciated the pizza! Thanks for just being you, Stig 🥳

Cargo never disappoints - here for the Ramp Rangers all day long FFRR!

Another brilliant episode, great job.

I took my first flight and I love flying!

As an aviation geek starting from childhood, I just can't stop watching your videos every day! Really admire the beautiful designs and amazing technics behind these machines. And the countless team work behind the scenes are super encouraging as well. Love your energetic greetings "Good morning everybody! " too, it's so inspiring!

Hey Stig I work line maintenance and your videos are invaluable. Dig your tool pouch but surprised you don't carry a Leatherman. Thank you Sir.

Thank you and don’t scare us looking to the cabin every time I thought a ghost gonna show up from the seats 😂

Gooood morning dear sir!❤Thank you so much for this tutorial! God bless you all!

Man I love these videos! Currently 8 year hydraulic technician on C-130’s and working on my A&P, I just got my ticket and have to take the tests. Keep up the good work!

Stig, I love the little in-depth dives into explanation that you take during your shift. Oh, and I am a fan of the retro livery. PSA caught me by surprise. Love it!

Those body tanks are basically what they use in the KC-46/767-2C. One fwd body and three aft body.

Glad to see these aircraft doing well. I was an engineer who helped analyze the design of the engine nacelles and some of the EBU components for the GTF variant. I think these are the leap 1As though.

Stig if you ever get merch you need a shirt that says "Cargo Never Dissapoints." You could have like a front view of two or three super cars with the front view of a 767F or 777F behind them! Lol Edit: I think we can all agree Trump knows how to choose his personal planes. He just sold a Citation X not to long ago and had a 727 VIP bird before the 75..... Edit(2) I took a tour of Deltas Tech Ops in college. The 777 (the one i saw was an LR) is. VERY massive I got a picture standing in its GE-90 engine inlet.....and they literally had a MD-80 positioned under its wing LOL. The cleaners had to wear harnesses as they spot cleaned the wings in the hangar!

Excellent video, I learn so much from these! Keep them coming Stig 👌👍

Love your channel.. always informative with aviation knowledge!

I love watching your videos as I go through school to get my A&P and slowly understanding more and more of what you're talking about!!!

Hi there, I'm new to the world of aviation! Well, I'm limited to a computer with MSFS and a Logitech X52 Pro HOTAS, but the A320N flybywire provides for the game is a beautiful craft and I have spent a lot of time learning all of the controls. Maybe one day I'll learn to fly the real thing. Also, you got another new sub!

Love all your videos its so imformative and interesting . Keep up the great work at keeping us all safe many thanks

Another interesting, educational, and fun video. Thank you, Stig! I have said it before, and I will always say it: you are an awesome person. That was very kind of you to send food (pizza?) to Kevin and Rudy while doing their 24-Hour livestream from the rooftop patio at the H Hotel. I was not there, but I was watching it live. Take care, and stay safe 👍

I do enjoy the brake rider segments. Another great video, Stig, tnx!

love when stig break rides 321s i cant wait to start doing that type of work

This channel of yours is an absolute marvel! Thank you for making such educating and entertaining content!

Oh yeah..the tall gear, the slender profile…757 is the most beautiful airplane ever built!

I have always loved how rudimentary the 737 is. It’s a blessing and a curse. A lot of it is indeed just simple such as the spring loaded ram air door for the packs. It’s all fun and games until you look at the catastrophe that is the main wheel well

Always a great way to start my weekend watching another stig video and then finish it with airline videos live or LA flights live

Love your content brother, as a pilot it’s really useful. Keep up the good work buddy.

Thanks so much Stig for capturing the PSA livery A321! So many memories flying various MD-80 & BAE-146 from SEA to LAX or Burbank. Those 30sec or so capturing that bird made my day. Cheers 🤙

Thank you Stig for another adventure it never gets old love the channel

Nice to see you to on LAX Live stream, when i was watching it i was thinking ohh somewhere there Stig is walking and now you show it. I mis that live stream.

Sure love the channel Stig! Cheers!

Thanks for the videos!

Love your videos!!!

Love the T7, one of my favourites. Trumps 757 is a pretty bird, and he is very particular about it.

The guns switch you do as you leave the cockpit is epic😊. Did you ever happen to discover some sort of a fault with the stick shakers upon activating the guns that had to be looked at? The MLG door opening scene was majestic somewhat with the background engine spool down noise from the Qantas 380 , I suppose ? Made the scene something out of a sci-fi movie with a space ship.

Another great video Stig i liked the changing of the led light on the wing tip👍

757 is one of my Favs. So is A220. 747 is always #1.

Really enjoying your posts. This last one I had to do in three segments....which is fine. Keep up the good work.

1/32 of an inch is a beautiful fraction with respect to air and water. Thanks for the footage!