Loading and performance is a small but very predictable slice of the exam. The questions reward common sense backed by a few principles: more weight means less performance, and a center of gravity outside limits makes an aircraft unstable.
Adding payload (a heavier camera, a delivery package) increases the total weight the motors must lift. That reduces climb rate, shortens flight time, lowers maneuverability, and increases the stall/again-loss-of-lift risk. Always stay within the manufacturer's maximum takeoff weight.
Balance matters as much as total weight. If the center of gravity (CG) moves too far forward or aft, the drone becomes harder to control and the flight controller has to work harder to keep it stable. Mount payloads where the manufacturer specifies, and remember that battery choice and accessory placement shift the CG.
Key facts to memorize
| Concept | What to know |
|---|---|
| More weight = less performance | Added payload reduces climb rate, flight time, maneuverability, and increases battery drain. |
| Maximum takeoff weight | Never exceed the manufacturer's maximum gross/takeoff weight; it is a hard performance and safety limit. |
| Center of gravity (CG) | An out-of-limits CG (too far forward or aft) makes the aircraft unstable and harder to control. |
| Payload placement | Mount payloads at the manufacturer-specified position; off-center loads shift the CG and degrade handling. |
| Battery effects | Heavier or colder batteries reduce flight time; battery placement also affects balance. |
| Wind & loading interact | A heavily loaded drone has less margin to fight wind and gusts; reduce payload in strong wind. |
| Density altitude link | High density altitude compounds a heavy load: thinner effective air plus more weight sharply cuts performance. |
Flashcards
Active recall beats re-reading. Flip each card, say the answer out loud, then check yourself.
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Quick self-check
A short drill on this module. You get the explanation the moment you answer.
0 / 3 answered
You add a heavy aftermarket camera to your drone. What is the expected effect?
Mounting a payload far from the manufacturer's recommended position primarily risks what?
Which combination would most reduce a drone's performance?
Original practice material, not the actual FAA exam questions.
Listen to this module
The Loading & Performance podcast episode: study on the go.
Test yourself
Take the full Part 107 practice exam.
Study material current as of June 2026 and sourced from the FAA (14 CFR Part 107 and FAA UAS guidance). Flashcards and quiz items are original practice material, not the actual FAA exam questions. Educational, not legal advice. Verify current rules at faa.gov/uas before you fly.