Assertion: boomerang's flight | /r/HasProperty | terminated
Facets:
value: due to a serious engine fire
type: CAUSE
Source sentences:
text: The second prototype, which, unlike the unarmed first, was fitted with a Sperry defensive armament system using remote-controlled gun turrets sighted by periscopes, first flew on 30 December 1942, this flight being terminated due to a serious engine fire.