Orient Steam Nav.Co., London (5) | ||||||
| Omrah | Passenger | Great Britain | 1899 | 1899 | Albatros 169 | |
| Otway | Passenger | Great Britain | 1909 | 1909 | Rainer Grouls 42 | |
| Orama | Passenger | Great Britain | 1924 | 1935 | Albatros 209A | |
| Orontes | Passenger | Great Britain | 1929 | 1929 | Mercator Skytrex 944 | |
| Orsova | Passenger | Great Britain | 1954 | 1954 | CM-KR 62 | |