box Incident Summaries 173-233

This Air Materiel Command file, released by the U.S. Department of War, holds Incident Summary Sheets 173 through 233, sent under a 1949 transmittal. Most of the sheets record sightings of unidentified aerial objects in 1948 and early 1949. They cover Santa Fe, New Mexico, San Pablo, California, Honolulu, Kentwood, Louisiana, and Jackson, Mississippi. Each sheet gives the observer's details and the object's size, speed and shape, and often an investigator's note on how reliable the witness seemed. The file ends with a blank guide for investigating reports, including radar sightings.

From the source:Release of 2026-05-08 Incident: N/A, N/A. NARA Record Group 38, catalogue id 143685. Each of these incident summaries includes a "Check-List - Unidentified Flying Objects" that contains details about the incident. Many summaries also include witness lists or statements and other narrative reports or descriptions.

# RESTRICTED

## Relative to Radar Sightings

. Re radars now operating on ground

a. Observations of direction, range, speed, altitude and size of target:

b. Did target execute any turns? If so, what angle (180 $ ^{\circ} $ ), etc, and what radius of turn. If radius of turn was not observable, how long did the target stay in the turn and what was its speed:

c. Note particularly any separation of distant target into several targets upon approach:

d. Was radar blip on cathode ray tube well defined and consistent with size of object; faint; fading, pulsating at regular rate:

e. Did radar echo signal disappear suddenly or gradually?

2. If airbourne, when object was sighted

a. Were there any radar indications or extra noise on radio circuits:

b. Give estimates of size, speed, maneuvers, etc.:

GENERAL

1. Teletype sequences of local weather conditions:

2. Winds aloft report: