Document ID: I_3_05
Section: I_UAP_Disclosure
Keywords: Phoenix Lights, March 13 1997, V-formation, Arizona, Fife Symington, Governor testimony, mass sighting, thousands of witnesses, flares, Luke Air Force Base, Maryland Air National Guard, Hale-Bopp, triangle UFO, Phoenix, Scottsdale, Tucson, Prescott Valley, light formation, orbs, military flares, Operation Snowbird, NUFORC, Peter Davenport, media coverage, denial, mass psychology, structured craft
Category Tags: uap, disclosure, uap-phenomena, psychology
Cross-References: I_3_03 · I_3_01 · I_1_03 · ZC_1_01 · I_2_02
Reliability Tier: Tier 1-2 (thousands of witnesses, video recordings, gubernatorial testimony, official military flare explanation documented — but the V-formation craft and the later flares appear to have been two separate events)
Last Updated: Mar 07, 2026 | Source Count: 18 | Weighted Score: 21 | Source Confidence: [2/5] | Confidence: Very High (for the fact that a mass sighting occurred); Moderate-High (for the distinction between two separate events); Moderate (for the nature of Event 1)

QUICK SUMMARY

The Phoenix Lights event of March 13, 1997, is the largest mass UAP sighting in United States history by number of witnesses — estimates range from several thousand to over 10,000 people across a 300-mile corridor from Henderson, Nevada, through Prescott Valley, Phoenix, Scottsdale, and Tucson, Arizona. The event actually comprised two distinct phenomena often conflated in media coverage: (1) a V-shaped formation of lights (or a single enormous structured craft) that silently traversed the state from north to south between approximately 7:30 and 8:45 PM, observed by witnesses across the entire corridor; and (2) a series of stationary lights appearing over the Estrella Mountains southwest of Phoenix at approximately 10:00 PM, which were videotaped by multiple residents and later identified by the US military as illumination flares dropped by A-10 Warthog aircraft of the Maryland Air National Guard during Operation Snowbird exercises at the Barry Goldwater Range. The military flare explanation plausibly accounts for Event 2 but does not address Event 1 — the enormous, silent, V-shaped formation seen by thousands of witnesses over a two-hour period. Arizona Governor Fife Symington III initially ridiculed the reports at a press conference but admitted in 2007 that he personally witnessed the V-formation and considered it "otherworldly."

1. VERIFIED CLAIMS (Tier 1 — Peer-Reviewed / Documentary Record)

1.1 Two Distinct Events — The Critical Distinction

• Investigators who have studied the Phoenix Lights case in detail — including Dr. Lynne Kitei, NUFORC director Peter Davenport, and journalist Leslie Kean — uniformly emphasize that the media and public conflated two separate events:
• Event 1 (~7:30–8:45 PM): A V-shaped or boomerang-shaped formation of five to seven lights (or a single craft with lights at its leading edge) traversed Arizona from northwest to southeast. Witnesses in Henderson (NV), Paulden, Prescott Valley, Dewey, Phoenix (northern reaches), and Tucson reported the formation at times consistent with a single object (or formation) moving south at approximately 30–50 mph. Duration of passage over any given location: several minutes.
• Event 2 (~10:00 PM): A string of approximately nine bright, orange-amber lights appeared over the Estrella Mountains/Sierra Estrella range, southwest of Phoenix. These remained stationary relative to observers before flickering and disappearing sequentially from left to right. Multiple home videos captured Event 2. The Maryland Air National Guard confirmed dropping LUU-2B/B illumination flares over the Barry Goldwater Range during training exercises that evening.
• The US military's flare explanation, widely presented as resolving the entire Phoenix Lights case, applies specifically to Event 2. Event 1 has received no official military explanation.

1.2 Witness Scale and Diversity

• The number of reported witnesses runs into the thousands. NUFORC received hundreds of formal reports. The Arizona Republic newspaper received over 700 calls. Many thousands more observed events without filing reports.
• Witness profiles are diverse: pilots, police officers, former military personnel, medical professionals, families, and casual observers. The consistency of descriptions — particularly for Event 1 — across independent witnesses separated by up to 200 miles is notable, as is their consistency over time (witnesses have not substantially altered their accounts across decades).
• Representative witness descriptions of Event 1:
• Tim Ley (family of four, Phoenix): observed a vast V-shaped craft passing directly overhead, blocking out stars, "at least a mile wide," completely silent
• Truck driver (I-17 north of Phoenix): described a "massive dark object" with lights on its leading edge, moving slowly south, large enough to obscure a significant portion of the sky
• Former pilot (Prescott Valley): noted the lights maintained perfect formation with no relative motion — inconsistent with separate aircraft — and were completely silent at low altitude where engine noise should have been unmistakable

1.3 Governor Fife Symington's Testimony

• Governor Fife Symington III (Republican, Arizona Governor 1991–1997) held a press conference on June 19, 1997 — three months after the event — at which his chief of staff was brought out in an alien costume, and Symington joked that the "mystery had been solved." This was widely treated as the official dismissal.
• In 2007, Symington publicly reversed his position, stating on CNN (Larry King Live) and to journalist Leslie Kean:
• "I'm a pilot and I know just about every machine that flies. It was bigger than anything I've ever seen. It remains a great mystery... I was expecting to see something that had a conventional explanation... as a pilot and former Air Force officer, I can definitively say that this craft did not resemble any man-made object I'd ever seen."
• He described seeing a "massive, delta-shaped craft" during Event 1, which he observed personally after being alerted by his security detail.
• His 1997 press conference stunt was, he said, an attempt to "diffuse the prior hysteria" — he later regretted it.
• Symington is a former USAF officer, licensed pilot, and was a sitting governor at the time of observation — making him one of the highest-ranking government officials to personally and publicly affirm a UAP sighting.

1.4 Video and Photographic Evidence

• Event 2 was captured on video by multiple Phoenix residents, including Mike Krzyston, Terry Proctor, and others. These videos clearly show a line of bright lights above the Estrella Mountains that extinguish sequentially — consistent with the behavior of parachute-deployed illumination flares drifting below a mountain ridgeline.
• Event 1 has minimal video documentation. This is consistent with the technology of 1997 (pre-smartphone era — consumer camcorders were the only option, and most witnesses were not carrying them) and with the reported characteristics (lights were bright but the craft itself was dark against a night sky).
• Dr. Lynne Kitei, a Phoenix physician, had been filming anomalous lights from her home intermittently since 1995 and captured some footage on March 13, 1997. Her footage and documentation are presented in The Phoenix Lights (2004, updated editions).

1.5 Military Response and Official Explanation

• The official US military position, issued through Luke Air Force Base public affairs, was that the lights were LUU-2B/B illumination flares dropped by A-10 Warthog aircraft of the 104th Fighter Squadron, Maryland Air National Guard, during Operation Snowbird exercises at the Barry Goldwater Range (south-southwest of Phoenix).
• This explanation was not immediately forthcoming — it took several months for the military to confirm the flare drops, leading to criticism of the delayed response.
• Analysis: The flare explanation is well-supported for Event 2 — the timing, location, appearance, and sequential disappearance pattern match known flare behavior. However, the flare deployment at ~10:00 PM does not account for Event 1 (~7:30–8:45 PM), which occurred over a different geographic area and involved a moving formation, not stationary lights.
• No military explanation has been offered for Event 1. FOIA requests for radar data from Sky Harbor International Airport, Luke AFB, and FAA have produced limited results — either because data was not retained from that period or because it was not requested in a timely manner.

2. CREDIBLE CLAIMS (Tier 2 — Academic / Debated but Supported)

2.1 The V-Formation as a Single Structured Craft

• Many Event 1 witnesses described not just lights in formation but a solid object — a dark structured craft that blocked out background stars as it passed overhead. The Ley family's description (craft passing between them and the star field, occluding stars along its surface) is particularly detailed.
• If witnesses observed star occlusion accurately, then the lights were attached to a solid surface — not separate aircraft flying in formation. This would imply a craft of extraordinary size (estimates from witness geometry range from several hundred feet to over a mile in wingspan).
• Counter-argument: Witness estimates of size and distance at night are notoriously unreliable. The human visual system cannot accurately gauge the size, altitude, or distance of lights in a dark sky without reference landmarks. Multiple aircraft in tight formation (military trainers or commercial flights) could appear as a unified object to ground observers.
• Counter-counter-argument: The complete silence of the formation at apparently low altitude is difficult to reconcile with any known conventional aircraft formation. Even gliders produce audible wind noise at the distances and speeds described.

2.2 Repeat Sightings — Before and After 1997

• Dr. Lynne Kitei documented amber/orange lights visible from the Phoenix area in 1995 and 1996, prior to the March 13 mass event. Post-1997, similar formations have been reported intermittently in the Phoenix area (2007, 2008, 2012).
• Some of the post-1997 reports have been confirmed as military flares or civilian skydivers with flares (a team called "SOS" performed nighttime flare drops in the area). This demonstrates that flare-like events genuinely do occur over the area — but also that credible witnesses have been able to distinguish between the 1997 Event 1 observations and known flare events.

2.3 Hale-Bopp and the Cultural Context

• Comet Hale-Bopp was at peak visibility in March 1997 — one of the brightest comets of the 20th century. Many Arizonans were already outdoors watching the comet, which may have increased the number of people who observed the Phoenix Lights. The Heaven's Gate mass suicide (March 26, 1997 — 13 days later) was connected to Hale-Bopp and created a cultural association between unusual celestial phenomena and irrational beliefs.
• This context likely influenced media framing of the Phoenix Lights — associating UFO sightings with cult behavior and irrationality, which may have contributed to the dismissive official response and Symington's initial mockery.

3. SPECULATIVE CLAIMS (Tier 3 — Possible but Unverified)

3.1 Advanced Military Technology

• The possibility that Event 1 was a classified US military aircraft — perhaps related to reported "black triangle" programs, rumored successors to the B-2 Spirit, or experimental lighter-than-air platforms — has been proposed but remains unverified.
• The silent, low-speed passage would be consistent with a lighter-than-air craft (blimp or hybrid airship), but the reported size and performance characteristics exceed any known program. No classified program has been declassified that matches the descriptions.

3.2 Mass Misperception Hypothesis

• A full skeptical hypothesis: Event 1 was a formation of conventional aircraft (possibly military trainers from Luke AFB or Davis-Monthan AFB) at high altitude, perceived as a single large object due to the psychological tendency to connect separate lights into a unified shape (gestalt perception). The lack of engine noise would be explained by high altitude.
• Weakness: This does not account for the star-occlusion reports from multiple independent witnesses, nor for the two-hour transit time across 300 miles (which would require very slow speed for aircraft).

4. DUBIOUS CLAIMS (Tier 4 — No Credible Source / Contradicted by Evidence)

4.1 "It Was All Flares"

• The claim that the entire Phoenix Lights event — both Event 1 and Event 2 — was military illumination flares is contradicted by the evidence. Event 1 and Event 2 occurred at different times (7:30–8:45 PM vs. ~10:00 PM), in different parts of the sky, with fundamentally different characteristics (moving V-formation vs. stationary line). The conflation of the two events by media and officials served to provide a simple resolution that did not survive scrutiny. [PARTIAL — explains Event 2 only]

4.2 Mass Hysteria

• Characterizing the Phoenix Lights sighting as "mass hysteria" misuses the clinical term. Mass hysteria involves psychosomatic symptoms spreading through a group. The Phoenix witnesses were calm, many were sober observers who reported only what they saw, and multiple independent witnesses across hundreds of miles described consistent details without contact with each other. This was a mass observation, not mass hysteria. DEBUNKED

Counter-Arguments & Criticisms

Mainstream Skeptical Counterpoints

• Tony Ortega (Phoenix New Times journalist) produced the most detailed skeptical investigation, arguing that Event 1 witnesses were observing a high-altitude formation of conventional aircraft and that the scale of the event was amplified by media coverage and social contagion.
• Astronomical misidentification: Astronomer James McGaha argued the Event 1 lights could have been high-altitude aircraft reflecting sunlight at post-sunset angles, or military aircraft in formation at altitudes where engine noise would be inaudible.
• Memory contamination: Given the massive media coverage following Event 2 (the videotaped flares), witnesses to Event 1 may have unconsciously incorporated details from Event 2 and from subsequent media discussions into their memories of Event 1. This is a genuine concern in eyewitness science.

Research Gaps & Open Questions

1. Does FAA or military radar data from March 13, 1997, show any anomalous returns along the Event 1 corridor?
2. Why did the military take months to confirm the flare exercise rather than immediately explaining Event 2?
3. Were any satellite assets or AWACS aircraft operating over Arizona that evening?
4. Can the star-occlusion observations from Event 1 witnesses be validated through stellarium reconstructions of the sky that night?
5. Are there civilian aviation radar records from Sky Harbor or Prescott airports from the relevant time window?

IMAGES

BIBLIOGRAPHY

1. Kitei, L.D. (, rev | 2004 | ∅ | The Phoenix Lights: A Skeptic's Discovery That We Are Not Alone | ∅ | ∅ | 2010) | ∅ | isbn:9781571746320 | ∅ | ∅ | Hampton Roads Publishing
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4. Davenport, P.B. ( present) | 1997 | ∅ | ∅ | ∅ | ∅ | NUFORC Phoenix Lights Case Files | ∅ | ∅ | ∅ | ∅ | National UFO Reporting Center
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6. Ortega, T. . , March 5, 1998. [Skeptical analysis] | 1998 | "The Phoenix Lights Explained (Again)" | Phoenix New Times | ∅ | ∅ | ∅ | ∅ | ∅ | ∅ | ∅ | ∅
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16. Scientific Coalition for UAP Studies (SCU) | 2018 | "Phoenix Lights Analysis" | ∅ | ∅ | ∅ | Technical Report | ∅ | ∅ | ∅ | ∅ | ∅
17. Hynek, J.A. . | 1972 | ∅ | The UFO Experience: A Scientific Inquiry | ∅ | ∅ | Henry Regnery. [Classification framework] | ∅ | doi:10.1126/science.177.4050.688 | ∅ | ∅ | ∅
18. Arizona Republic | 1997 | ∅ | ∅ | ∅ | ∅ | News coverage compilation, March June 1997. [Primary newspaper of record] | ∅ | ∅ | ∅ | ∅ | ∅

CROSS-REFERENCE INDEX

Consolidated from 18 scholarly sources. Last Updated: Mar 07, 2026