What is associated with: airline steward gaetan dugas who died in 1984 was identified as patient zero of this disease?

Based on the clue 'aircraft often use the gyro type of this instrumen...', what is the answer? What is associated with: aired in 1983 the last episode of this sitcom garnered an astounding nielsen rating of 602? Based on the clue 'airgonation is travel via this transport that phil...', what is the answer? Based on the clue 'airline navigator howard borden was dr robert hart...', what is the answer? Based on the clue 'airline that wanted you to fly the friendly skies', what is the answer? Based on the clue 'airlines of this country include eva airlines chi...', what is the answer? What is referred to by 'airplane flyer grace wing'? Based on the clue 'airplanes stock prices are said to make these sha...', what is the answer?