High Density Altitude Explained + 6 Questions | FAA Part 107 Exam Practice

This video is a free walkthrough tutorial that explains high density altitude and its effect on aircraft performance in preparation for the sUAS FAA Part 107 exam for commercial drone license. The video goes over six typical questions on density altitude as part of the weather study topic that you can expect on your exam too.
I explain the difference between density altitude vs. pressure altitude and go over conditions when they would be the same or not. Also, I cover four factors that affect density altitude and aircraft UAS performance, namely barometric/atmospheric pressure, ambient temperature, relative humidity and altitude.
Most of the test questions and material I cover in this video come from the study guide I used to prepare and successfully pass the exam with a 90% score in 2022. Take a look at this study guide here (updated for 2024): 🔸 amzn.to/463UQrV
Airman Knowledge Testing Supplement for this tutorial: 🔸 amzn.to/3RPT1eM
If you are thinking of taking a paid course, consider Pilot Institute's "Part 107 Made Easy" course at: 🔸 learn.pilotinstitute.com/a/af....
Pilot Institute's "Part 107 Made Easy" course is competitively priced and taught by industry experts. If you do not pass the exam on your 1st try, Pilot Institute will even refund your money. Pilot Institute often provides discounts to their "Part 107 Made Easy" course. In case they don't, use our discount code "BFILMS" to get $100 off.
Check out my video where I go over tips and strategies to effectively study for and pass the FAA part 107 test. This FAA part 107 exam study guide can be viewed at: • How to Pass the FAA Pa...
I also created many FAA part 107 exam study guide tutorials on a variety of difficult to understand topics. Take a look at these tutorials: 🔸 • FAA Part 107 Exam
If you prefer reading, we made a blog post going over these 10 questions. We provide more details and explanations at: 🔸 blokhinfilms.com/2023/07/01/h...
Subscribe to our channel ‪@BlokhinFilms‬ to watch more tutorials on FAA Part 107 exam and other useful tips for drone photographers.
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Content by Timestamp
00:00 - Intro
00:13 - Study Guide I Used
00:30 - Standard Day Defined
01:06 - Understanding Air Density
01:44 - Density Altitude Defined
02:13 - Density Altitude vs. Pressure Altitude
02:58 - Density Altitude and Aircraft Performance
03:12 - 4 Factors Affecting Density Altitude/Aircraft Performance
04:58 - Density Altitude Study Cheat Sheet
05:44 - Practice Question 1
06:02 - Practice Question 2
06:28 - Practice Question 3
06:40 - Practice Question 4
07:20 - Practice Question 5
07:33 - Practice Question 6
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Question 1: How would high density altitude affect the per­formance of a small unmanned aircraft?
Question 2: If the outside air temperature at a given altitude is warmer than standard, the density altitude is?
Question 3: What are the standard temperature and pressure values for sea level?
Question 4: Which factor would tend to increase the density altitude at a given airport referenced in the weather briefing?
Question 5: What effect does high density altitude have on the efficiency of a small unmanned aircraft propeller?
Question 6: What effect does humidity have on performance?
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#part107 #drones #remotepilot
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[@BlokhinFilms]

If you prefer reading, here is a post on this topic: blokhinfilms.com/2023/07/01/high-density-altitude-faa-part-107-exam/.

[@dannycnoble]

i am trying to become a regular pilot and the biggest hiccup i am having on the test is weather. i avg around 70-75 on the practice exam but i want to get in to the 80s and 90s consistently before i go after the real thing. i just stumbled on these video's and i have to say it is like a God send. i work the next 12 days 12 hr shift each day but every break or down time i get ai am watching one of these videos. of all the you tube video's out there. this is the best straight forward to the point and has the best explanations. i think this will help me get over the hump.

[@BlokhinFilms]

You are welcome and good luck on your exam!

[@rayofsunshine107h]

Excellent

[@landonthings]

Seriously excellent, thank you for this

[@BlokhinFilms]

When I studied high density, the material was not well explained and confusing. I made this video out of frustration and hope that it would help someone. Glad it helped you!

[@gfunk62]

thank you. this was a great video

[@BlokhinFilms]

glad it was helpful!

[@jeremiahis]

Super helpful. Finally got this concept!

[@BlokhinFilms]

Glad it helped!

[@bobcloughjr]

Air molecules are predominantly Nitrogen. That's a fact. Judgement has nothing to do with it .

[@stevecrawford3551]

These are complex relationships that you’re discussing. You need more diagrams to better explain it. It may need to be broken into 2 videos. Best regards. 😀

[@jamesrebeccaschnur6109]

You reading too fast and teaching nothing.

[@rickyyuen3370]

The reading speed is normal. You can change playback speed to 0.75 if you think too fast. Also, I learned a lot from this video. Thank you Blokhin Films!!!

[@BlokhinFilms]

Thank you! Glad I helped you.

[@rickyyuen3370]

Really appreciate of what did. I am going to take the exam on 27th. Wish me good luck : ) Happy Holidays Blokhin Films!!

[@BlokhinFilms]

@@rickyyuen3370 happy holidays to you too and good luck on the exam. You got this!

[@jeremiahis]

After watching 2 other sources, this one finally helped it click for me.