US-FAA14 CFR 91.15
Dropping objects
Read the official ruleIn plain English
You may not drop an object from an aircraft if it creates a hazard to people or property. Dropping is allowed if reasonable precautions are taken to avoid injury or damage.
Key points
- No hazardous dropping of objects.
- Permitted with precautions that avoid injury/damage (e.g. agricultural ops, drops on a safe area).
Common pitfalls
- Casual "flour bombing" or banner/object drops near people.
*This is a plain-English summary for study only. The official 14 CFR text on this page is controlling — always read the current regulation.*
This is an original plain-English explanation for training and reference, not legal advice and not for navigation. Always rely on the current official rule linked above. Last reviewed June 8, 2026.