The term 'HELM HEADING' can be broken down into three crossword solutions: APORT (5 letters), ALEE (4 letters), and ENE (3 letters). APORT is a nautical term meaning to bring a vessel closer to the wind, while ALEE is an adverb meaning on or toward the lee side of a ship. Finally, ENE is a compass point meaning east-northeast. Together, these terms refer to the direction a ship is heading when steered by the helm.