飛跡 is read as ひせき (hiseki) and means track.
ひせき
hiseki
とぶとりあとをにごさず
it is simply common courtesy to clean up after yourself
ひこうきょうかい
Aero Society
ひこうきょういくしゅうだん
Flying Training Command
とびしまけんせつ
Tobishima Corporation
ひこうきろくそうち
flight recorder
ひこうきんしくういき
no-fly zone
ひこうきぐも
vapor trail (vapour)
ひさんぼうし
antiscattering
ひしゃかくおち
participating in a contest while missing key players, pieces, etc.
ひさんぼうしふぃるむ
glass safety film
とびうつる
to jump from one thing to another
とびくら
jumping match