Confessions from the Skies: 19 Surprising Facts You Probably Didn’t Know About Flying

3. Oxygen Masks for Short Term Use

Batch 4- Confessions from the Skies- 19 Surprising Facts You Probably Didn't Know About Flying- Oxygen Masks for Short Term Use

When oxygen masks fall, never assume they can last long. They each have 15 minutes worth of oxygen at the most — enough for the pilot to lower the plane altitude for optimal breathing. Passengers¬†will pass out if they fail to put on their masks for 15-20 seconds.