14 CFR · Part 117
14 CFR Part 117, Table B
Flight Duty Period: Unaugmented Operations
| Scheduled time of start (acclimated time) | Maximum flight duty period (hours) for lineholders based on number of flight segments | ||||||
|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 + | |
| 0000-0359 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| 0400-0459 | 10 | 10 | 10 | 10 | 9 | 9 | 9 |
| 0500-0559 | 12 | 12 | 12 | 12 | 11.5 | 11 | 10.5 |
| 0600-0659 | 13 | 13 | 12 | 12 | 11.5 | 11 | 10.5 |
| 0700-1159 | 14 | 14 | 13 | 13 | 12.5 | 12 | 11.5 |
| 1200-1259 | 13 | 13 | 13 | 13 | 12.5 | 12 | 11.5 |
| 1300-1659 | 12 | 12 | 12 | 12 | 11.5 | 11 | 10.5 |
| 1700-2159 | 12 | 12 | 11 | 11 | 10 | 9 | 9 |
| 2200-2259 | 11 | 11 | 10 | 10 | 9 | 9 | 9 |
| 2300-2359 | 10 | 10 | 10 | 9 | 9 | 9 | 9 |
Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.
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