Drugs used include barbiturates, benzodiazepines, cyclopyrrolone[?], chloral hydrate[?], chlormethiazole[?] or the antihistamines[?] promethazine and diphenhydramine.
... by data from the British Aerospace EAP prototype which had first flown in 1986, and culminating in the first flight of the Typhoon prototype in 1994 (then just known as ...