Thesaurus Term/Concept: AIRCO DH9
| Identifier | 138537 |
|---|---|
| Class | AIRCRAFT TYPE |
| Status | Preferred |
| Index? | Yes |
| Scope Note | Developed from the DH4, featured the pilot and gunner cockpits in closer proximity, but suffered from engine reliability problems. Also known as the Ninak, saw service from 1918 to 1931. |