Hilda Grey Campbell, 36, a psychiatric nursing supervisor at St. Elizabeths Hospital and a captain in the Air Force Reserve, drowned Saturday in a boating accident in Annapolis.

Maryland Marine Police said that Mrs. Campbell was over the side of her boat examing its hull when the accident occurred. She was pronounced dead at the Annapolis Naval Station.

Mrs. Campbell was preparing her craft for the Severn Sailing Association's two-day regatta on Chesapeake Bay. She was a sailboat racing skipper and a member of the Annapolis Naval Sailing Association and the Naval Academy Sailing Squadron.

She was a native of Kenly, N.C., and a 1965 graduate of Howard University's nursing school. She earned a bachelor's degree in social psychology at Florida State University in 1974 and a master's degree in hospital management at Central Michigan University in 1978.

Mrs. Campbell served as a nurse in the Air Force from 1966 to 1971. Her assignments included posts in the Azores and missile bases in Montana and South Dakota.

It was while stationed at Ellsworth Air Force Base in South Dakota that she met, and in 1970 married, Charles C. Campbell, now a retired Air Force lieutenant colonel.

She accompanied her husband to the Panama Canal Zone and from 1971 to 1975 worked as a psychiatric nurse in a hospital there. She and her husband moved to the Washington area in 1975 and made their home in Severna Park. Mrs. Campbell joined St. Elizabeth's in 1978 and was a psychiatric nursing supervisor at the time of her death.

She was a member of the American Nurses Association and the International Transactional Analysis Association.

In addition to her husband, of Severna Park, survivors include a daughter, Claressa Alice Campbell, also of Severna Park; her parents, Mr. and Mrs. cWilly Cecil Jones of Kenly, N.C.; two sisters, Lena Townsend and Claressa Holmwood, and a half-brother, Clinton Bunch, all of Washington.