| DC-9-30 | DC-9-50 | |
| Dimensions | ||
| Length (m) | 36.4 | 40.7 |
| Wingspan (m) | 28.5 | 28.5 |
| Height (m) | 8.4 | 8.4 |
| Wing area (m2) | 93 | 93 |
| Cabin Data | ||
| Passengers (1-class) | 119 | 139 |
| Passengers (2-class) | 105 | 125 |
| Cabin width (m) | 3.14 | 3.14 |
| DC-9-30 | DC-9-50 | |
| Dimensions | ||
| Length (m) | 36.4 | 40.7 |
| Wingspan (m) | 28.5 | 28.5 |
| Height (m) | 8.4 | 8.4 |
| Wing area (m2) | 93 | 93 |
| Cabin Data | ||
| Passengers (1-class) | 119 | 139 |
| Passengers (2-class) | 105 | 125 |
| Cabin width (m) | 3.14 | 3.14 |