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Was the Kettering Grass Mark a Landing Trace?

The Kettering case rests on a close-range account and a reported circular grass mark, but the trace was not independently verified as extraordinary.

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On this page

  • The witness's account of the glowing object
  • What was reported about the circular grass mark
  • Alternative causes and gaps in the surviving investigation
Preview for Was the Kettering Grass Mark a Landing Trace?

Introduction

The alleged Kettering landing of February 1976 is one of Tasmania’s best-known close-range UFO reports because it combined two elements that investigators often regard as more significant than a distant light in the sky: a detailed witness account and a claimed physical trace on the ground. According to the witness, a glowing dome-shaped object landed near Little Oyster Cove before departing with a rising humming sound. The following morning he reported finding a circular patch of scorched grass where the object had apparently rested.[NICAP]nicap.orgThe 1976 UFO ChronologyJanuary 23, 2017…Published: January 23, 2017

Kettering illustration 1

What makes the case noteworthy is not that the grass mark proved a landing, but that it was examined rather than simply accepted. Later testing failed to find evidence of unusual heating or ionising radiation, leaving the reported trace unexplained but far from confirmed as evidence of an extraordinary craft. Within Tasmania’s 1970s wave of sightings, the Kettering case therefore illustrates both the appeal and the limitations of alleged physical evidence.[NICAP]nicap.orgThe 1976 UFO ChronologyJanuary 23, 2017…Published: January 23, 2017

The witness’s account of the glowing object

The incident is generally dated to late February 1976, when a resident of the Kettering area was reportedly awakened during the early hours by his child crying. Looking towards Little Oyster Cove, he saw an intense glow and initially feared an aircraft accident. Walking towards the shoreline, he claimed to have approached within roughly 25 metres of a stationary object.[Australian Online Casinos]auforn.comAustralian Online Casinos Bill Chalker ArchiveAustralian Online Casinos Bill Chalker Archive

The object was described as dome-shaped with a metallic appearance and illuminated windows around its upper section. The witness reported hearing a humming sound resembling an electric motor. Looking through the windows, he believed he could see a tall cylindrical structure together with motionless grey forms that he later compared to seats or headrests. These interior observations have often been repeated in UFO literature, although they rest entirely on the testimony of a single observer.[NICAP]nicap.orgThe 1976 UFO ChronologyJanuary 23, 2017…Published: January 23, 2017

According to the account, the object lifted slowly from the ground before accelerating rapidly and climbing eastward at a steep angle. The entire encounter reportedly lasted between six and seven minutes. No independent eyewitnesses, photographs or official instrument records have been linked to the event.[NICAP]nicap.orgThe 1976 UFO ChronologyJanuary 23, 2017…Published: January 23, 2017

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What was reported about the circular grass mark

The physical trace is the aspect that distinguishes Kettering from many other Tasmanian reports of the decade.

The witness stated that he returned to the location the following morning and found a circular area where rough grass appeared scorched. Later accounts say the affected grass died and was eventually replaced by tougher, greener growth, making the circle stand out against the surrounding vegetation when investigators visited the site. Estimates of the affected area are typically around six metres across.[Australian Online Casinos]auforn.comAustralian Online Casinos Bill Chalker ArchiveAustralian Online Casinos Bill Chalker Archive

The timing of the investigation is important. The Tasmanian UFO Investigation Centre (TUFOIC) did not learn of the incident until more than a year later, in April 1977. Soil samples were eventually collected in October 1977, meaning scientific examination occurred long after the original condition of the site had changed through weather, seasonal growth and normal environmental processes.[NICAP]nicap.orgThe 1976 UFO ChronologyJanuary 23, 2017…Published: January 23, 2017

Because the alleged landing site was not documented immediately after the event, investigators had to rely heavily on the witness’s recollection and on the appearance of vegetation many months later rather than on contemporaneous measurements.

Kettering illustration 2

Why the grass trace did not become decisive evidence

Unlike many reported landing traces, the Kettering site was subjected to laboratory testing rather than relying only on visual impressions.

The principal analysis used thermoluminescence testing of soil and mineral particles. This technique can indicate whether soil has experienced substantial heating or significant exposure to ionising radiation. According to the published results by Dr Geoff Stevens, samples taken from inside and outside the reported circle showed no significant systematic differences. The testing found no evidence that the soil had been subjected to large doses of ionising radiation. It also indicated that the soil had not been heated to temperatures expected if an intense heat source had rested on the ground.[NICAP]nicap.orgThe 1976 UFO ChronologyJanuary 23, 2017…Published: January 23, 2017

These findings are important because they limit what can reasonably be claimed from the grass mark. If the vegetation had been damaged by a conventional fire or by a powerful source of heat, measurable changes in the soil might have been expected. Likewise, the tests found no indication of unusually high radiation exposure.

At the same time, negative laboratory results do not identify what actually caused the vegetation changes. The testing simply failed to confirm the more dramatic explanations that later became associated with the case.[NICAP]nicap.orgThe 1976 UFO ChronologyJanuary 23, 2017…Published: January 23, 2017

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Alternative causes and gaps in the surviving investigation

The strongest reason for caution is that the grass mark was never independently documented at the moment it was supposedly created.

Several uncertainties remain:

  • the event depended on a single witness rather than multiple independent observers;
  • investigators reached the site many months after the reported landing;
  • no contemporaneous photographs of a freshly scorched circle are known from the original investigation;
  • no official police, aviation or scientific investigation corroborated the reported landing itself.[NICAP]nicap.orgThe 1976 UFO ChronologyJanuary 23, 2017…Published: January 23, 2017

Environmental explanations also cannot be excluded. Vegetation can change colour or die for many reasons, including disease, local soil conditions, salt exposure, fungal activity, drought stress or ordinary seasonal variation. Because the site was not examined immediately, it is difficult to separate any original disturbance from natural changes that occurred over the following year.

Equally, the absence of evidence for unusual heating or radiation does not automatically disprove the witness’s experience. It simply means that the claimed physical trace did not provide independent confirmation of an extraordinary event.

Kettering illustration 3

Why the Kettering case still matters

Within Tasmania’s 1970s sighting wave, Kettering remains significant because it sits between two categories of UFO report. It is more substantial than a distant light seen briefly in the night sky because it includes a close-range narrative and an alleged landing trace. Yet it falls well short of becoming a confirmed physical case because the available scientific examination failed to detect the kinds of anomalies that would strongly support an extraordinary explanation.[NICAP]nicap.orgThe 1976 UFO ChronologyJanuary 23, 2017…Published: January 23, 2017

For that reason, the Kettering grass mark is best understood as an unresolved claim rather than verified evidence. It illustrates why physical traces attract lasting attention in UFO research while also showing how delayed investigation, limited documentation and inconclusive testing can leave even a memorable case suspended between witness testimony and scientific uncertainty.

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Endnotes

1. Source: nicap.org
Link:https://www.nicap.org/chronos/1976fullrep.htm

Source snippet

The 1976 UFO ChronologyJanuary 23, 2017...

Published: January 23, 2017

2. Source: nicap.org
Title: UF O Report
Link:https://www.nicap.org/Good_Cases/760919tehran_dir.htm

Source snippet

UFO ReportNovember 30, 2016 — RADCAT Case Directory Category 9, RADAR Preliminary Rating: 5 | | Image RADCAT is a revitalized special pro...

Published: November 30, 2016

3. Source: nicap.org
Title: Nicap history 1976
Link:https://www.nicap.org/articles/Nicap_history_1976.htm

Source snippet

hdrTHE NATIONAL INVESTIGATIONS COMMITTEE ON AERIAL PHENOMENA By Don Berliner...

4. Source: auforn.com
Title: Australian Online Casinos Bill Chalker Archive
Link:https://www.auforn.com/Bill_Chalker_33.html

Additional References

5. Source: project1947.com
Link:https://project1947.com/kbcat/kbmoreintoz.htm

Source snippet

PROJECT 1947: Keith Basterfield - A CATALOGUE OF THE MORE INTERESTING AUSTRALIAN UAP REPORTS - Updated June 3, 2016June 3, 2016 — * * * 2...

Published: June 3, 2016

6. Source: ufomagazines.com
Title: 6th INTERNATIONAL CONGRESS UFOS: THE GLOBAL VIEW — BUFORA | UFO Magazine Archive
Link:https://www.ufomagazines.com/bufora-1976-1997-conference-or-agm-1991-6th-international-congress-sheffield/

Source snippet

August 16, 1991 — RECURRING THEMES AND EDITORIAL STANCE The recurring themes in this issue are the persistent mystery of crop circles, th...

Published: August 16, 1991

7. Source: uforq.org
Link:https://uforq.org/ufo-reports-other-countries/

Source snippet

Then the object rose from the ground, with the noise increasing as it went. It gained elevation slowly, then inc...

8. Source: lmmortal.com
Title: Ethel May Field, 62, a housewife, had gone out to the b
Link:https://lmmortal.com/Cases/CaseView.asp?numbercases=24&offset=8&section=humming

Source snippet

UFO Cases Directory: Cases with Humming Sounds - UFO EvidenceCASE TYPE: PRESSREPORT FEATURES: HUMMING UFO with two occupants seen by Dors...

9. Source: theozfiles.blogspot.com
Link:https://theozfiles.blogspot.com/2020/05/in-search-of-mark-of-ufo-tribute-to-ted.html

Source snippet

Exactly what they mean, I can’t tell you.” Dr. Zeller concluded, “Like so much of the other data which has been obtai...

10. Source: lmmortal.com
Title: UF O Cases Directory: Cases with Humming Sounds
Link:https://lmmortal.com/Cases/CaseView.asp?numbercases=24&section=humming

Source snippet

24 NO. 2 (1978) ID: 632 CASE TYPE: STANDARDCASE FEATURES: 'DYAD SCOUT CRAFT', HUMANOID/OCCUPANT, PHYSIOLOGICAL EFFECTS, HUMMING, WITNESS...

11. Source: thinkaboutitdocs.com
Title: 1976 landing of ufo witnessed in kettering tasmania
Link:https://www.thinkaboutitdocs.com/1976-landing-of-ufo-witnessed-in-kettering-tasmania/

Source snippet

1976: Landing of UFO witnessed in Kettering, TasmaniaDecember 27, 2012 — 1976: LANDING OF UFO WITNESSED IN KETTERING, TASMANIA...

Published: December 27, 2012

12. Source: ufoevidence.org
Title: UF O Cases Directory: Physical Trace Cases
Link:https://www.ufoevidence.org/Cases/CaseView.asp?section=PhysicalTrace

Source snippet

UFO Cases Directory: Physical Trace Cases - UFO EvidenceSOURCE: MICHAEL HESEMANN, 1998 ID: 636 CASE TYPE: STANDARDCASE FEATURES: SOUND, P...

13. Source: freerepublic.com
Title: UF O over Germany official
Link:https://freerepublic.com/focus/news/2175643/posts?page=102

Source snippet

UFO over Germany official - says air traffic controlJanuary 30, 2009 — 102 posted on 01/31/2009 8:31:59 PM PST by Quix (LEADRs SAY FRM 19...

Published: January 30, 2009

14. Source: abcdocz.com
Title: acufos journal vol 1 no 1
Link:https://abcdocz.com/doc/4965914/acufos-journal-vol-1-no-1

Source snippet

The aim of the APESG is to investigate.reports where some sort of tangible interaction with the environment is apparent. PHY SICAL EVIDEN...