Ep. 202: IFR Low Enroute Charts Explained | Advanced Knowledge Part 2

In this video we'll go over some of the more intricate symbols and data on the low enroute IFR charts.
As always, leave you questions in the comments below!
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[@abbieamavi]

*coming back to this video after failing my checkride on the oral exam the first time, thank you for these great videos as always!* :)

[@Not-a-bot222]

Hey, I hope you fare better on your next ride!

[@abbieamavi]

@@Not-a-bot222 thank you! I did actually, I’m now instrument rated! 😌

[@idekav.]

can you share what you did wrong?

[@hardy2k11]

im going to kill it on this ifr checkride....thx u sir

[@monsenrm]

Great instructional content. Straight to the point, no repeating and very thorough. Thanks. I am instrument rated but rusty.

[@fly8ma.comflighttraining199]

Glad it helped! You can find more instrument info on the site and through the channel if needed

[@bayernrekordmeister344]

Center (ARTCC) genearlly starts at 16,000'. That's another reason why TANGO airways MAA is often capped at 15,000'. TANGO Airways are efficient ways for Approach and Departure (TRACON) to control traffic in Terminal areas. It's probably not the only reason, but it is one of the reasons TANGO Airways are often capped at MAA 15,000'.

[@nelsonbrandt7847]

Be sure to include comms with ATC as you differentiate between GPS MEA and MOCA. GPS MEA includes ATC comms, which is why it’s higher than MOCA.

[@elunico13]

I look forward to the approach plate tutorials! I'd like to see a video on shooting approaches VFR with a safety pilot, including any advice you may have. Great videos!

[@goofeybutreal4398]

Well aren’t you just wonderful. Thank you. I’m confident my checkride will go well.

[@StuRod8]

Thanks Jon! Awesome helpful content

[@RetailTherapyLiv]

These are so so so helpful! Thank you!

[@SuperSEANOB]

awesome video, really helpful. Just fyi at 2:02 the CYY station is a VOR-DME, not VORTAC; you can tell because there is a rectangle around it, instead of three thick sides, like the DHP VORTAC.

[@pamelarolon4650]

Great refresher ... Thank you !!!

[@privataye]

The last time I looked at a low altitude chart, I don't think T routes existed. Good review.

[@AssyrianKing4ever]

Thank you so much. Honestly, looking at the legends makes me so dizzy but you make it so simple. Cheers

[@TheClampetts]

Good info, good presentation

[@sawyerpeterson3685]

Thanks for the video!

[@luckefransbergen3440]

so well put together and straight to the point, thank you!

[@fly8ma.comflighttraining199]

Glad to hear it was helpful!

[@darrenlucas9017]

Great video thank you!!!!

[@dillcifer]

A few notes about T Routes and Q Routes: These are essentially just the GPS equivalent of (the ground based) victor airways and jet routes, respectively. T for terminal, as they were primarily added to navigate around the most congested parts of class b and c airspace. They can be anywhere between 1200 agl and 17,999. Q routes are not considered water routes - they are GPS/RNAV routes. I believe the name is derived from the Q equipment suffix, indicating the a/c is RNAV capable. They can be found between FL180 and FL450.

[@jakew9887]

Great Video. Thanks

[@_Sweet_Pete]

Thank you!!!

[@jtmuzix]

you guys/gals are great! Charts are probably the hardest thing to really be good at with aviation.

[@fly8ma.comflighttraining199]

Much appreciated, we're always happy to help!

[@heaye]

Many Thank you!

[@rontourage7384]

Where are you located now instructing? Great video! Cleared a few things up for me.

[@fly8ma.comflighttraining199]

Located in Anchorage Alaska 👍

[@neomayad]

Great vids. Can you tell me what the second numbers is in the RCO? I see a lot of second numbers and don't recall hearing what they are for.

[@clr4tkoff1]

Do you mean the UHF frequency, e.g. 357.1?

[@flyingdutchman2065]

You rock

[@hunterfagan6272]

What does the “mon” mean above certain airports?

[@yeojakgaroom3312]

I wonder what is the program that shows the low en route IFR charts

[@xXdanny4Xx]

u sound like klaus meine. thanks

[@ThalesRossiter]

Nice video! I just got a doubt... the simple L like in Fort Myers Page Field indicates lighted airport, as you sad. But what does the circled L like in Punta Gorda airport means? Does it mean left hand pattern?

[@firefoxussr31]

it means it's pilot-controlled lighting.

[@andrewletaev2097]

Thank you for explanation. 05:48 So, it is not allowed to climb above 15000 feet for T211 airway. Is it correct ?

How do you know if the IFR charts you download from the web are up to date (without going into payware) ? because i've seen some frequencies that have changed over time

[@boonehawley4370]

Please tell me someone else caught the D in a box comment! I was drinking a beer and learning myself some knowledge and lost it! Thank you Fly8MA!

[@Realmenwearstripes]

07:33 Hold published

[@Taurineg]

Why is gps MEA lower than VOR MEA? MOCA make sense cause if I need to land I can hopefully descend down to MOCA and see if I break out of clouds

[@christianfrancis3435]

I think it comes down to the abilities of signal reception with a GPS vs a VOR. With a VOR you often times have to be higher to receive signal beyond the 22nm VOR range at the MOCA.

[@Centurion54X]

Shoutout to the Deschutes vor

[@Darth.Salvatore]

Hi I understand everything except the number under the airway names (under boxes)????

[@cadensutton2229]

So the first number is how high above the sea the airport is. The second number is how long their longest runway is. So add 00 to the end of both and there’s ur answer!

[@gbigsangle3044]

On T routes, what signal are you talking about? In mountains ARTCC or TRACON radio can be interrupted, sometimes radar is blocked but the nav signal comes from space.

[@fly8ma.comflighttraining199]

Simply summed up, T routes are GPS routes where you are never really going to lose signal due to altitude, however, due to airspace designs and congestion, they have MAA's to keep you out of airspace where ATC does not want you for traffic separation

[@gbigsangle3044]

@@fly8ma.comflighttraining199 I am referring to the G altitudes on the routes. You may be doing this out of habit but you refer to them as a reception altitude but really they are MEAs since there are no min reception altitudes for T routes.

[@chrismcclure71]

Even with glasses it’s hard to see what you are referencing…..maybe zoom up a bit more for us hard of seeing folks😊

[@Mikeyzulu]

Why are some mileage denoted as just numbers, while others have oval and arrow?

[@robertclark6943]

Just the mileage figure is only that segment of the route, the oval and arrow is distance from navaid to that intersection.

[@Notthebrightestbulb]

Hi! I just moved to Sarasota and am interested in getting my instrument rating. Where do you guys fly out of?

[@fly8ma.comflighttraining199]

We are now located in Big Lake, Alaska. Best of wishes with your instrument rating have you considered checking out our online ground school? learn.fly8ma.com/shop/ifr/

[@Josh-ck8yf]

What is class Bravo, Alpha airspace ect?

[@clr4tkoff1]

There are many videos describing all the airspace designations, but the short story is Class Alpha is 18000-60000 feet and is not charted. Class Bravo is airspace around busy airports like Miami, Atlanta, etc. It's shown on these IFR charts with the blue solid line and shading (Orlando, Miami, Tampa in this area).

[@tomerobligenarz4115]

How come most of the time, the GPS MEA is higher than the MOCA (on a victor airway)?

[@SundayBMX007]

Tomer Obligenarz The MOCA only insures obstacle clearance. The MEA ensures both obstacle clearance and navigational reception.

[@marcelorockful]

Are this rules aplyable to jeppesen charts?

[@fly8ma.comflighttraining199]

Jepp charts have very similar symbols, but do differ in some areas. We'll cover jepp charts in another video.

[@marcelorockful]

FLY8MA.com Flight Training that would be really great, thank you!

[@jgbaugh]

Why is a GPS MEA different than the MOCA.

[@fly8ma.comflighttraining199]

Great question! The MEA and MOCA provides the same obstruction clearance. The only difference is that radio navigation signal coverage is provided along the entire airway segment at the MEA. The MOCA provides radio navigation signal coverage only within 22 nautical miles of the VOR. I hope that helps answer your question! Here's more detail: learn.fly8ma.com/courses/2020-ifr-instrument-pilot-course/lessons/ifr-enroute-charts/ Cheers, The FLY8MA Team