Project Blue Book Sighting Report — Indianapolis, Indiana, 3 August 1966

This document contains a Project Blue Book sighting report regarding an unidentified aerial phenomenon observed on 3 August 1966. The witness, a professional pilot with an ATR rating, reported observing a single object for approximately 30 minutes while located on US Route 36, 10-12 miles west of Indianapolis, Indiana. The witness described the object as appearing like a light, with colors shifting between white, green, and red in a random fashion. The witness compared the brightness of the object to an aircraft beacon, such as a strobe light. The observation occurred under clear, dry weather conditions at night. The witness reported that the object appeared to stand still at some point during the observation. Major Hector Quintanilla, Jr., Chief of Project Blue Book, issued a letter to the witness stating that the information provided was insufficient for evaluation and requested that the witness complete an attached FTD Form 164 to provide further details. The official conclusion recorded on the project record is 'INSUFFICIENT DATA FOR EVALUATION'.