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Documented case · Shemiran area, Tehran, Iran

Shemiran reports and F-4 dispatch

19 September 1976 · Details below are limited to the linked public record. Source conclusions are attributed and do not establish an extraordinary cause.

Incident date
19 September 1976
Place in source
Shemiran area, Tehran, Iran
Location precision
The declassified message places the initial citizen reports in Tehran’s Shemiran area. The map point marks that named area, not an object coordinate.

Documented record

A declassified U.S. Defense Attaché message records four citizen calls to the Iranian Air Force command post about objects or lights in the sky over Shemiran, followed by an F-4 dispatch to investigate. This catalog reports what the cable says; it does not independently verify each account.

Source assessment

The cited dispatch documents a reported event and response. It does not establish the object’s identity or determine an extraordinary cause.

Details stated in the record

Record type
Declassified U.S. Defense Attaché message
Initial reports
Four calls to the Iranian Air Force command post
Reported area
Shemiran, Tehran
Reported descriptions
Callers gave differing descriptions of lights or objects in the sky.
First F-4 response
The message says the aircraft temporarily lost instrumentation and communications as it approached, then regained them after turning away.
Second F-4 response
The message records a second F-4 launch and radar contact; it says the object remained about 25 nautical miles away as the aircraft closed.
Radar return
The message compares its size to that of a Boeing 707 tanker.
Map precision
Named urban area; no object coordinates

Not available in the cited public record

  • Exact object coordinates are not given in the cited public record.
  • The record does not identify the object or establish the cause of the reported observations.
  • The cited page does not provide an original recording of the event.

Source references

  1. Joint Chiefs of Staff report concerning the sighting in Iran (opens in a new tab)

    Defense Intelligence Agency