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Douglas AD-4
N4277P is a Douglas AD-4 (serial 7712), registered to Erickson Group Ltd in Beaverton, OR. It is one of 3 Douglas AD-4 aircraft on the FAA registry.
Source: FAA aircraft registry (public record). Community reviews and photos below.
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Commonly available reference sources for the Douglas AD-4. Always confirm against the manufacturer's current, authoritative publication for your specific aircraft.
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