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This Project Blue Book case file, released through The Black Vault, collects records on the 24 July 1948 sighting by two Eastern Airlines pilots of a wingless object about 20 miles southwest of Montgomery, Alabama. It contains teletype replies from military bases reporting no aircraft movements, a 1948 Project Sign special investigation report with an interview of a Robins Air Force Base witness, and a December 1948 intelligence report. It also includes newspaper extracts, a Harvard College Observatory letter and Hynek's Project Grudge evaluation index.
“Headquarters”21 pages
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## A. ORIGIN: In compliance with verbal instructions from Maj General Cnabell, Director of Intelligence, AFOI, this Hq proceeded to investigate the report concerning the sighting of an unidentified aerial object in the vicinity of Montgomery, Alabama, occurring 24 July 1948 between the hours of 0140 and 0245 EST. ## 3. ACTION INITIATED: 1. On 25 July 1948, Major R. A. Llewellyn, Project "SIGN" Officer, Mr. A. Deyermond, Technical Assistant to Col Clingerman, Mr. A. C. Loedding, Assistant Deputy for Technical Analysis Division, and Capt R. J. Groseclose, Security Officer, proceeded to Atlanta, Georgia, where they interviewed Capt and Mr. EAL pilots, and obtained their signed statements as to the anomaly observed. Copies of these statements together with drawings executed by C and are appended as Exhibit "A". On 31 July 1948, Maj Llewellyn personally interviewed Mr. the sole passenger awake during the hours of 0140 and 0245 EST, as to what he saw while a passenger aboard the DC-3 piloted by and the statement is attached as Exhibit "B". 2. Following the above interrogations, requests were disseminated to Hq USAF, Naval and commercial airlines by priority teletypes 2 Aug 1948 requesting data on aircraft movements in the general vicinity of Alabama, Florida, Mississippi, Georgia, are submitted as Exhibit "C". 3. In compliance with Hq AAC letter dated 6 July 1948, the 51xth Office of Special Investigations (IG) District undertook an investigation pertaining to an aerial phenomena reportedly seen by various people within the 6th OSI District. A complete report of the various sightings, pages 1-16 is appended bereto as Exhibit "D". Further reports and statements as to reliability are also appended. 4. After the statements were received, a complete analysis as to the date and time, geographical location, and description of the object was charted. The complete-ly assembled data, i.e., statements of witnesses, reliability statements, airline schedules and the collated data chart were forwarded to the various technical agencies to effect an evaluation and interpretation of the technological factors involved. ## C. FACTUAL DATA: 1. The collated data chart (Exhibit "H") was drawn up to effect a trend or pattern in regard to the reported sightings. a. From this chart it is evident that three or possibly four separate incidents were involved:
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