RNAV/GPS vs RNP | REAL Airbus PILOT | What is the difference? How to fly RNAV approaches
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- เผยแพร่เมื่อ 4 ต.ค. 2024
- Its one of the most requested topics I get asked about. RNAV vs RNP approaches, what are they? What is the difference? In this 2 part video sequence I am going to tailor all the knowledge a "sim pilot" will need to understand the fundamentals of both RNAV and RNP approaches. Hopefully by the time the videos are over you will have a much better understanding of this topic. But first we must cover some basics. Hope you enjoy!
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*note the content herein is provided for simulation/entertainment purposes only, and has been tailored to fit in a single crew environment. For instruction on how to fly the A320 consult your company FCOM/SOPs*
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There's a flying channel that took 2 full hours to explain this, and it took you less than 30 minutes. You also demo it after going over it, and I think your should definitely consider to continue your TH-cam pilot/instructor career, if the airlines industry goes into a spin with the new world of lockdowns every five minutes, and so many people now out a job.
Needed a refresher on how RNAV/RNP works, 3 years later, this video is still amazing
Great Stuff! Backing your observation of RNAV/RNP/LPV being common in business aviation: We generally fly 4 ILS approaches a year now... all during recurrent. They are going the way of the NDB approach for us. Every other landing (even VMC) is flown RNAV/RNP/LPV. Hand flying an LPV to mins is much easier too because it isn't a cone. 🙂
Gonna watch this a few times. Seeing you do the approach was really helpful. Thanks!
Thank you. There will be more in next video as well. Glad you enjoy them
This made my head hurt, I will be watching it about 5 times.
Thank you for this video. For the longest time I would avoid airports I really want to fly into simply because the only approach available was an RNAV. I am perfectly comfortable flying the final approach and landing the A321/A340 manually. It's just the decent path thing I was worried about. You've put my mind at ease. I'm currently mid flight in the Toliss A340 from Vancouver CYVR to Panama City MPTO with an RNAV approach into 21R.
What an excellent production, a great example and I learnt a lot. I wish that I'd had this video when I was in ATC fifteen years ago! The RNAV Z to Rwy 34 at CYLW is a good place to attempt this approach when you've watched this a couple of times.
airbus pilot here. this is gold stuff. thank you - made a confusing topic over simplified
Thanks for providing invaluable information to those like me who are not trained for profession but still want to fly in virtual sky. I'm more than happy to find I can access to these kind of videos for free. Much appreciate your efforts.
We were always taught that when you start hand-flying and ignoring the flight director (i.e., looking out the window) to turn both FDs off. The only reason for this is to make sure the autothrust wakes up (SPEED) in case you were in THR IDLE | OP DES | (throttle essentially stuck in idle) when you clicked off the A/P [Indian Airlines Flt 605]. Personally, when I hand fly visually, I just pull the V/S knob--it puts the autothrust in SPEED so I can safely ignore the FD--and then I select the bird. It's simpler than pushing both FDs off and I can always throw in -3 degrees if I want to glance inside to check my pitch target. When you drop out of the straw, you automatically get V/S which gives you SPEED on the thrust so turning off the FDs is not really necessary. Unless I'm missing something, which is certainly possible.
Watched a second time... funny how much more sense this makes after being immersed in this field only 5 months later... great video! Wondered why the FDs had to be turned off at the end of the `straw'... Thanks for making this! :)
VERY GOOD VIDEO! This 121 Captain has learned.
You're an excellent teacher, thank you for putting together this video, I'm already looking forward to the RNP follow up lesson. Cheers!
You're very welcome! Glad it was helpful, and thank you for the complement, I truly enjoy teaching as I am an instructor at heart.
I was keeping a close eye, the transition from offset centerline to the landing was crazy smooth!
haha thank you
The Turbine Pilot's Flight Manual has a great chapter addressing just this topic.
That must have taken a lot of your time. Explained a lot and I thank you kindly, Pugwash
Great explanation. Somehow i really struggled with those 2 terms learning for my ATPL exams, but your video helped me out a lot. And great to see LOWI in the video at 4:30 as example for close in terrain. Very demanding to fly into :)
appreciate you taking the timeout to do this video. thank you
Thank your for an excellent video. Took me a while to understand what does it mean to get the aircraft dirty 😂
Very informative video. Could you do a video discussing the difference among ILS-X, ILS-Y & ILS-Z approaches.
Another very popular topic. Yes I will
Thanks for the excellent lesson! Love the Airbus (Toliss A319 And A321). Always more to learn. Thanks again Captain.
I wish this type of content was available back in 2004 when I was so into FS.
I always leave your videos more educated than when I started. There is always something that I had no idea, other than the subject of the video. Thanks !
I really like that double touchdown at 25:41
Looked at this video briefly when it first came out, but didn't study it until today. Needless to say, I never really understood those differences, and how to setup things correctly - flying the ToLiss A320 family aircraft - until today.
Great help indeed. Learning a lot always, thanks you so much
Great video. Just one thing, when you were explaining the difference between the glide slope and glide path, the color of the text should be opposite such that glide-slope should be green and glide path should be magenta.
Excellent video, very informative.Thanks! 👍😃
That was brilliant! By my opinion, with this video you are back on the level of your early days. Very informative and educational. Thank you, thank you.
Glad you enjoyed it! I am happy to still have you around the channel sir, I know you dislike the livestream format but hopefully some continued uploads will keep you entertained!
as a flight student currently doing IR i find this incredibly helpful, thanks!
This has been brilliant. Now I understand it. Thank you. Now going through all the rest of your vids. Think I'm gonna be here for some time...
Glad it was helpful!
Thanks for this! Myself and another dispatcher at our company were discussing RNAV approaches and were wondering why our company isn't authorized to do LPV but can do LNAV/VNAV. Didnt know LPV required addition equipment and pilot training. Now I can bed down that discussion! Thank you sir!
Yup you got it! I’ll touch a little more on this in the next video and it may clear up some additional questions, fun fact the airbus can and does fly LPV track but still uses LNAV/VNAV minimum. In reality I could spend 2 days talking about RNAV so I have to cut some things for time constraints lol Now I’m sure there may be some out there that are equipped for true LPV but it’s definitely not the norm. The next RNP vid will clarify a lot more on this topic. I’m glad you enjoyed this one! Thanks for your work as a dispatcher!
@@V1Sim next time a dispatcher has you landing min fuel in a NEO call em and say "what's the difference between a burrito and a dispatcher? A burrito will give you gas and a dispatcher won't" haha
@@WrongSideSimulations now that is funny I absolutely will! 😂
Awesome, it's like being in flight school with all the detail, explanation, theory, etc. Keep the coming. Thanks!
What an excellent video. Well communicated with very clear instructions and details information, great job V1
Thank you kindly!
I have commented on one of your previous video suggesting to make video regarding RNP and RNAV. Thank you so much really appreciate your effort.
Absolutely, your very welcome
Awesome Video Captain! Thank you very much ! Greetings from Germany!
Quite helpful the explanation and then simulated approach. Perfect 🙌
Thank you. This is the only type of approach i could not find a useful tutorial on youtube. After the RNP Approach vid i think i have sucessfully mastered my Airbus approaches (in the sim world of course). Thank you man, I really searched long for this. If you could one day fly the RNP 08 into LOWI this would be wonderful, as i think its relativley challenging and i was not quite happy with my approaches there.👍
Glad it was helpful! Yes more to come on RNP and hopefully that will clarify the subject even further!
@@V1Sim perfect. Cant wait :D
A ton of incredibly useful info! Thank you very much for your time and efforts. The way I see it, one or two more of your tutorials, and i'll be ready to apply for a position with your airline! :-)
Right as the world is moving into the 4th industrial Revolution.... But we can sim
Awesome video to pass time while on autopilot in sim! Keep them coming!
fantastic explanation, like always. I really enjoyed this one as it solved quite a few questions I always had on these approaches!
Great to hear!
Brilliant explanation
Again very informative and educational video, BIG THANK YOU Captain! Like someone commented already brings back the format of your professional pilot series that brought me actually to your channel when it came out.(@V1-Simulations btw I got to your channel through the big shoutouts of Q8Pilot in his videos at that time he made for you)
Your channel actually should easy have 10 times more subscribers and you deserve 100 times more for sure
By far the best Airbus You Tube and most informative , thank you Captain !!!
Thank you sir! Means a lot!
Little known twist. RNAV existed before GPS.
"According to Jeppesen, the first RNAV en-route charts were published in 1968 when Narco introduced their CLC-60 RNAV computer to the market. This course-line-computer analyzed information from
previously-installed VOR and DME receivers.
To use the CLC-60, two knobs controlled "radial" and "distance." If you wanted to "move" the VOR station 12 miles out on the 180 radial (this is just like creating a waypoint 12 miles to the South of a VOR), you'd set "180" in the radial window and "12" in the distance window. Unlike a standard VOR instrument, a full-scale deflection on the CLC-60 was 2 miles, whether you were 1 mile from the station or 50 miles from the station.
An RNAV route could be utilized by inputting a series of VOR Radials and DMEs to make a navigable course. Each "waypoint" of the course had an associated radial and DME from the VOR being used. Creating a direct route could shave off substantial mileage compared to victor airways, which rely on routes between NAVAIDs. For this to work, however, you needed to remain within the coverage limits of the VOR and DME.
There's an episode of the old, mostly dumb, detective series Cannon--ask your grandparents--in which a pilot is murdered by diverting a night IFR flight by mis-programming an old RNAV set that let you enter a flightplan, I am not making this up, with a little punch card.
th-cam.com/video/dOCM6WW3S68/w-d-xo.html
my mind is blown! Fantastic nugget of information sir, thank you for sharing!
Here is an old approach plate for a "VOR/DME RNAV" approach circa 1994. Note how every fix has both the coordinates, and the radial and distance from the nearest VOR. Imagine how long it would've taken to set it up--especially if they changed runways on you 15 miles out...oh, and don't forget, in IMC as well...
imgur.com/gallery/n1rlcHn
I don't have any words, it's amazing. Thank you a lot!!!!
Great! Truly informative video, with excellent pace.
So So cool video my friend !!! I'm going to watch a lot of your lessons, thank you so much !! Cheers from Italy ! Stay safe
An amazzzing explanation, thanks a lot...
I learned a lot also because your explanation plus visual seen is perfect! Thanks
Thank you! I am finding I really love the Bus, I intend to learn all I can so I am really glad to have this! Really appreciate your expertise and ability and willingness to educate.
Amazing video. Thank you!
I’ve been back in simming for months now, I’ve never heard of RNP 😅 Thanks.
Welcome back!
Trying to catch up on your vids. Hope you are well and thanks for the complex instructionals.
Learned a lot from this. Thanks V-1!
Excellent tutorial! Thanks!!
Glad it was helpful!
Excellent content, v1! Thank you!
Very welcome!
An awesome educational and informative tutorial. Kudos 2U thx !
The LNAV/VNAV on this approach is higher than the LNAV-only (probably due to terrian restrictions). Therefore the VDP of the LNAV is lowerthan the LNAV/VNAV. Additional, you have to add 50' to the LNAV, making the MDA 420 + 50 = 470
Man, you are good. Will definitely be subscribing
Very well presented👍
Thank you. Very helpfull video.
I watched the video
I liked the video 👍
I subscribed
this is really helpful glad i came across your channel
0:59 oh yes, those WTF approaches
Thanks a lot :) ...great explanation
Excellent video! Please publish more tutorial videos!
Fantastic tutorial! 👍🏻 thanks V1
Thank you so much for explaining this in such a good way!
Outstanding! A fire hose of information. Thank you.
thank you, great tutorial
Brilliant video, learned a lot from it! Thank you!
Good stuff thanks for the video
So So Soo Informative video on an RNAV approach, thanks a lot captain! Keep up the good informative videos! :)
Very welcome! Glad you enjoyed it
Wow, very comprehensive and informative video! Learned a lot from it, thank you very much!
Awesome informative video. Thanks for taking the time to put this together
In Europe there's an System called EGNOS for LPV guidance.
Very well explained. I totally love those videos. More of that, there is so much to learn! :)
Great video, thanks for the explanation!
Excellent. Very well done. Enjoy these tutorials!
Great tutorial
Why is the LNAV/VNAV minimum higher than the LNAV minimum? I know this video has been out for a year now, but I've been brushing up on my IFR knowledge recently and just come across this video. This is my take on that subject from my understanding of RNP approaches. Because LNAV is GPS based approach and has a and accuracy of .3 nm of deflection which equals to 900ft off to both sides of centerline. There is an obstacle before the runway left of centerline at 149ft high. When using the LNAV/VNAV approach that has a DA, there is a chance that an aircraft may be off center line far enough and while in descending flight, and not leveled off as in the LNAV procedure, there might be a possibility of a collision with the obstacle. So my thinking is that the DA is higher than the MDA to prevent a collision with that obstacle. What about the LPV? Well, LP and LPV are WAAS based and more accurate with a .1 nm or 300 ft full deflection off centerline. That's my take on it.
Note: LPV also use GPS but have WAAS that corrects the satellite errors and make it more accurate than just standalone GPS which is LNAV.
WAAS utilized ground station to enhance accuracy hence LPV
So great explanations ! Thank you :)
this video is a magic
Perhaps I missed something but in the set up you said you were entering a downwind and the airspeed was 250kts. Below 10K ft the restricted speed is 250 kts unless approved otherwise. Also within 10 nm of an airport traffic area, speed is further restricted to 200 kts or below unless otherwise approved. Was this approach more than 10 miles out? The video and content was exceptional and I'm subscribing to your channel.
This was excellent, thank you!
Awesome! Thanks a lot for great video!
needed this bad. thanks for all the effort!
Happy to help!
Thanks for the tutorial once again Captain. I have a question, do you think as the RNP precision gets more and more accurate than it's current state right now, would a full Autoland approach into trickier airports such as LPMA or KASE be possible in the future?
Yes, in fact all rnav approaches will be renamed in the coming years with RNP terminology. And yes precision approaches with non land based navaids IMO will become the "norm" just not quite there yet
well done! brilliant video.
Excellent!!
Very useful!
Nice video, thx!
Great video! Excellent tutorial!
Thank you! Cheers!
Thanx soo much!
Great job 👍❤️
thank you!
RNAV navigation does NOT necessarily mean GPS navigation, GPS is merely a sensor which allows area navigation, you could also fly RNAV based on ground facilities (VOR / DME or DME, DME) or a self contained system like IRS or INS.
Magnificent 👏
Many thanks!
Good stuff👌
Awesome!