English: The Naval Aircraft Factory PN was a flying boat developed by the U.S. Naval Aircraft Factory in the 1920s. The PN-12 was also produced under licence by the Glenn L. Martin company (designation PM-1/PM-2), the Douglas Aircraft Company (PD-1), and Keystone Aircraft (PK-1).
This category has the following 3 subcategories, out of 3 total.
Media in category "Naval Aircraft Factory PN"
The following 7 files are in this category, out of 7 total.