Read "Haunted Ocean" by Kenneth Robeson online for free on Textopian. Full text with search, annotations, highlights, and AI-powered reading aids.
DOC SAVAGE'S plane motors were probably the most noiseless of any in the world skies. The big cabin ship was being held at an altitude of only a thousand feet above the shifting surface of the North Sea.
Though it was night, Doc Savage was scanning the ocean intently. Every wave crest and every floating object was clearly revealed. Yet no visible light projected from the plane toward the dark water.