PRNC 3820.1 Code 03 23 July 1954 HEADQUARTERS Potomac River Naval Station Washington, D.C. PRNC Instruction 3820.1 from: Commandant, Potomac River Naval Command To: Distribution list 2 Subj: Unidnentified Flying Objects; reporting of Ref: (a)opnav notice 3820 of 26 Sept 1952 (b) JANAP 146 (c) (c)Air Force letter 200-5 of 29 Apr 1952 (enclosure) (1) to ref (a) (d) comeastseafrom instruction 3820.2 1. PURPOSE. to provide guidance for procedures to be followed for reporting unidentified flying objects. 2. Definition. unidentified flying objects as used in this instruction relate to any airborne object which by performance, aerodynamic characteristics, or unusal features does not conform to any presently known aircraft or missile. 3. Background. reference (a) states that the U.S. Air Force has the primary responsibility for collection of subject information and has requested the cooperation of all Naval activities in reporting such information. 4. (a) addressees are requested to report any data on unidentified flying objects without delay by message in multiple adress to: ACTION: (a) Director of intelligence, Headquarters USAF, Washington, D.C. (b) Air Technical Intelligence center, Wright-Patterson AFB, Ohio- ATTN: ATLAA-2C. (c) Commander, Air Defense Command, Ent AFB, Colorado Springs, Colorado (d) Commander, Eastern Air Defense Force, Stewart AFB, Newburgh, N.Y. INFO: (e) Director of Naval Intelligence, Navy Department, Washington D.C. (f) Commander Eastern Sea Frontier, 90 Church street, New York, N.Y. (g) Commandant, Potomac River Naval Command, U.S. Naval Gun Factory, Washington, D.C. b. The symbol FLYOBRPT (flying object report) will appear at the beginning of the text messages to facilitate identification. c. reports will include, insofar as possible : (1) a brief description of the objects; shape,size, color, number, formation if more than one, aerodynamic features, trail or exhaust, propulsion system , speed, sound, maneuvers, manner of disappearance, and other pertinent or unusal features. (2) time of sighting in 24 hour clock zonal time, and length of time observed. (3) manner of observation; visual or electronic, from air (give speed, altitude and type of aircraft), or surface. Any type of optical or electronic equipment used should be described. (4) location of observer during sighting, giving exact latitude and longitude as closely as feasible, and/or reference to a known landmark. Location of object (s) with respect to observer, giving distance, direction, and altitude. (5) Identifying information of observer (s) and witness (s), estimate of reliability and experience, and any factors bearing on estimated reliability of the sighting. (6) Weather and winds aloft conditions at time and place of sighting (s). (7) Any activity or condition, meteorological or otherwise, which might account for the sighting. (8) Existence of any physical evidence such as fragments, photographs and the like, of the sighting (s). (9) Interception or identification action taken. (such action may be taken whenever feasible, complying with existing air defense directives). (10) Location of any air traffic in the general area at the time of the sighing (s). d. It should be noted that the above instructions are separate from those required for reporting normal surface and air sightings prescribed by reference (b) and CINCLANTFLT instructions concerning same. E. Addressees are requested to give theses instructions wide dissemination within their commands. T.B.HILL [Rear Admiral, USN ] V. HAVARD,Jr. [CAPTAIN, USN } Chief of Staff