During the Haven View 2 project tests were also carried out to determine the maximum detection range in observing aircraft from the ground. How the type of approaching aircraft (Do-27, C-160 (Transall), H-34 (Bell)), the flight level, and the angle of azimuth between observation direction and sun influence the maximum detection range was investigated. At standard horizontal visibilities between 32 and 66 km a C-160 was detected up to 14 km farther than a Do-27. At flight levels of about 4000 ft the maximum detection range could exceed that of flight levels of about 1000 ft up to 14 km. Approaching at an angle of azimuth between observation direction and sun larger than 100 deg, the aircraft were usually detected earlier than at an angle of azimuth smaller than 50 deg. Values for the maximum detection range at horizontal standard visibilities greater than 60 km roughly corresponded with results previously found. (Author)


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    Titel :

    Results of Tests for Determination of the Maximum Detection Range in Observing Aircraft from the Ground in Northern Germany Ergebnisse von Versuchen Zur Bestimmung der Maximalen Auffassreichweite bei der Beobachtung von Luftfahrzeugen Vom Boden Aus in Norddeutschland


    Beteiligte:
    H. E. Hoffmann (Autor:in) / R. H. Buell (Autor:in)

    Erscheinungsdatum :

    1974


    Format / Umfang :

    48 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch