Phoenix Lights, 1997: moving formations, later films and flare investigations

On 13 March 1997, people across Arizona reported unusual lights in the evening sky. “The Phoenix Lights” became a convenient name for the episode, but it can obscure an essential distinction: accounts of a moving formation earlier in the evening were followed by filmed arrays of bright lights southwest of Phoenix around 10 p.m. The most useful investigations kept those observations separate, even when television coverage placed them together.

Phoenix city skyline beyond airport runways, terminals and parked aircraft
Phoenix skyline from Sky Harbor airport, 20 February 2022; modern city context, not a photograph of the 1997 lights or their aircraft. Photo: Robert693, via Wikimedia Commons, CC BY-SA 4.0.

Map location — approximate area. Approximate area: rounded U.S. Census Gazetteer representative point for Phoenix city, Arizona. Reports also came from other Arizona communities; this Phoenix-area reference is not a single incident position, measured flight path or flare-release location. U.S. Census Gazetteer reference.

The early telephone reports

The National UFO Reporting Center’s preliminary account describes calls beginning with a family near Paulden, north of Prescott, reporting a red-orange cluster at about 8:16 p.m. It then records reports from Prescott, Prescott Valley and other Arizona communities. Descriptions varied in colour, number and arrangement of lights; several callers emphasised an absence of sound.

The page displays 13 August 1997, yet its text explicitly describes a preliminary telephone-report stage before written witness reports had arrived. NUFORC warned that subsequent written accounts could change its findings. That caution belongs alongside the vivid descriptions, rather than disappearing when they are retold.

NUFORC also discussed allegations of fighters intercepting the lights, but stated that it could not corroborate those claims. They are not established military operations. Likewise, combining callers’ estimated times into a presumed route does not independently demonstrate that one object travelled between every reported location, or supply a measured airspeed. The underlying call recordings have not been examined here.

A disagreement about what connected the lights

Tony Ortega’s 26 June 1997 reporting for Phoenix New Times provides a concrete contrast. Two writers on the paper, David Holthouse and Michael Kiefer, had observed a moving V of bright lights from different parts of the area. Holthouse perceived a connecting boomerang-like shape; Kiefer did not think the lights were joined.

Ortega also interviewed amateur astronomer Mitch Stanley, who said that his telescope resolved the lights into aircraft, with paired lights beneath wings. That is a named observer’s report through a contemporary interview. It is not a surviving telescope photograph independently checked for this article, and does not establish the identity or operator of every reported formation.

The disagreement is more informative than a simple count of people who saw lights. Agreement that lights existed can coexist with disagreement about whether a dark body connected them. The latter question requires its own evidence. Neither the shape perceived by one observer nor the aircraft interpretation of another should be silently substituted for all accounts.

Motzer separates the films from the moving formation

Arizona MUFON investigator Richard F. Motzer published his own investigation in July 1997. He criticised an earlier MUFON article and described collecting videos, interviewing witnesses and visiting recording locations to compare the night footage with daylight views. His report is evidence of a disagreement within civilian UFO research, rather than a single uniform position held by all investigators.

Motzer concluded that the bright lights near the Estrella Mountains were flares. He described differences between recordings from different viewpoints and argued that descending lights could disappear behind intervening peaks. He also stressed that the widely shown videos were being confused with the earlier moving V.

He did not consider the flare explanation sufficient for that earlier formation. This distinction appeared in an investigator’s report during 1997; it was not invented decades later to accommodate an inconvenient explanation. His collection and interpretation can be examined as a published investigation, while the original video copies and his field comparisons have not been independently reproduced here.

The military account in contemporary reporting

An Associated Press report published on 26 July 1997 attributed a flare account to Captain Drew Sullins of the Maryland Air National Guard. He said eight A-10 aircraft had been training over the Barry M. Goldwater range southwest of Phoenix and had used parachute illumination flares. The report also described unused flares being released before the aircraft returned to Davis-Monthan.

This is a contemporary account attributed to a named military spokesman. The original sortie records and release logs have not been examined here, so it should not be described as a direct UKPX inspection of those records.

The AP article itself retained a geographical reservation about reports from northwestern Arizona. It also recorded councilwoman Frances Emma Barwood’s request for a demonstration. A credible explanation for lights visible in one direction does not automatically account for every report gathered under the Phoenix name. Equally, those additional reports do not cancel evidence about the filmed array.

Maccabee’s later analysis and its explicit boundary

Bruce Maccabee’s February 1999 analysis revisited the later light arrays using recordings from several viewpoints. He first developed calibration and triangulation methods with footage from 14 January 1998, then applied methods and some measurements to the March 1997 material. The distinction matters: his published map of the January array is not a map of the March event.

Maccabee argued that the March lights were much farther southwest than some witnesses had estimated, over the military range. He identified downward and lateral movement in recordings and concluded that high-altitude flares were a reasonable explanation. His article also criticised the distance derived in Motzer’s earlier triangulation, showing that agreement on a general explanation did not mean agreement on every calculation.

His final note expressly excludes the earlier 8–9 p.m. sightings from that analysis. The paper therefore cannot honestly be cited as a technical identification of every reported moving formation. Original recordings and calculations have not been independently reanalysed here.

What the evidence can and cannot carry

A useful reading of the case follows particular observations through their sources. An early telephone summary preserves what callers said. A newspaper interview preserves a witness’s interpretation. A video analysis proposes positions and motions under stated assumptions. A spokesman’s statement supplies a military account that can be compared with those observations. These records have related but different evidential roles.

The later filmed lights have a substantial conventional explanation supported by civilian investigations and the reported military activity. The earlier reports require separate assessment, including Stanley’s aircraft account and disagreements about a connected structure. Leaving some descriptions unidentified does not, by itself, establish an extraordinary craft; explaining the films does not erase the distinction between the episodes.

No single map point is supplied for this case. It concerns observations across a wide area and disputed lines of sight, rather than a verified landing site. The modern city photograph provides geographical context only. It is not evidence of the March 1997 lights or a reconstruction of any witness’s view.

Sources and related cases

NUFORC preliminary summary; Ortega, 26 June 1997; Motzer, July 1997, pp. 3–6; Associated Press, 26 July 1997; Maccabee, February 1999, pp. 3–8. All substantive texts were examined; the underlying recordings and military logs were not.

Related UKPX reading: Mariana’s Great Falls film; Kenneth Arnold’s Washington sighting; Japan Air Lines 1628 over Alaska.