Within Goose Bay Radar
Why the Goose Bay Radar Track Did Not Add Up
Conflicting range, bearing, speed and timing figures made the reported route impossible to plot with confidence.
On this page
- What the operators reported
- Where the plotted geometry failed
- What contradictory measurements can and cannot prove
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Introduction
The Goose Bay radar incident is often remembered as an unexplained radar contact from late 1948, but the central problem is more specific: the reported track could not be reconstructed into a single, internally consistent flight path. Rather than demonstrating extraordinary performance, the surviving records show that the range, bearing, timing and disappearance point did not fit together when investigators later attempted to plot them. That failure of reconstruction is one of the strongest reasons the case remains unresolved within the UFO history of Newfoundland and Labrador. It illustrates how a genuine radar observation can still resist interpretation if the underlying measurements are incomplete or contradictory.[govweird]govweird.comgoose bay labrador october 1948 incident number illegible 28931625Project Blue Book: Goose Bay, Labrador, October 1948 - Incident Number: [ILLEGIBLE] · govweird…
What the operators reported
According to the surviving Project Blue Book file, two Ground Controlled Approach (GCA) radar operators at Goose Bay observed an unidentified radar return during the evening of 1 November 1948, although the file is catalogued under October 1948 and later publications have repeated several different dates. The target reportedly first appeared about 3¾ miles north-east of the radar site, remained visible for just over four minutes, travelled roughly four miles, and was estimated to move at about 60 miles per hour before disappearing from the display, which was operating on a 7½-mile range. There was no confirmed visual observation to accompany the radar contact.[govweird]govweird.comgoose bay labrador october 1948 incident number illegible 28931625Project Blue Book: Goose Bay, Labrador, October 1948 - Incident Number: [ILLEGIBLE] · govweird…
Those figures appear straightforward in isolation. The difficulty emerged only when investigators tried to convert the operators’ notes into a physical route across the ground. Unlike modern digital radar recordings, the 1948 system produced no automatic electronic track that could later be replayed or analysed. Reconstruction depended entirely on the reported estimates.
Where the plotted geometry failed
The key finding from the follow-up investigation was that the reported measurements could not all describe the same movement.
When Newfoundland Base Command personnel examined the case in January 1949, they attempted to plot the reported:
- starting position;
- direction of travel;
- distance covered;
- estimated speed;
- observation time; and
- point where the target disappeared.
The resulting geometry failed. If the starting point and bearings were accepted, the reported distance and speed did not place the target at the stated disappearance point. If the reported disappearance point was treated as correct, then either the speed, the travel distance or the earlier position estimates had to be wrong. The available figures could not all be true simultaneously.[govweird]govweird.comgoose bay labrador october 1948 incident number illegible 28931625Project Blue Book: Goose Bay, Labrador, October 1948 - Incident Number: [ILLEGIBLE] · govweird…
This was not merely a matter of small rounding differences. The inconsistencies were significant enough that investigators specifically recorded them as a weakness in the original report rather than treating them as acceptable observational error.
Why the measurements conflicted
The surviving documentation does not identify a single mistake responsible for the contradiction. Instead, several ordinary limitations could have combined.
First, the operators were estimating movement from a short-range GCA radar intended primarily to guide aircraft during landing approaches, not to generate precise scientific records of unusual targets. Positions and headings were typically judged from the radar display rather than stored electronically.[govweird]govweird.comgoose bay labrador october 1948 incident number illegible 28931625Project Blue Book: Goose Bay, Labrador, October 1948 - Incident Number: [ILLEGIBLE] · govweird…
Second, several of the reported quantities were themselves estimates rather than direct measurements. Speed was inferred from apparent movement over time. Distance travelled depended on plotting successive positions. Bearings were read from the display. Small errors in more than one estimate could accumulate until the finished track became impossible to reconcile.
Third, no independent confirmation existed. The case file contains no radar photographs, no simultaneous plot from another radar installation, no aircraft interception, and no visual observation that could anchor the radar data to a known location in the sky. Without those independent reference points, later investigators had little opportunity to resolve conflicting measurements.[govweird]govweird.comgoose bay labrador october 1948 incident number illegible 28931625Project Blue Book: Goose Bay, Labrador, October 1948 - Incident Number: [ILLEGIBLE] · govweird…
What contradictory measurements can and cannot prove
The contradictory geometry is sometimes presented as evidence that the object performed impossible manoeuvres. The surviving records do not support that conclusion.
Instead, the inconsistency shows that the dataset itself cannot uniquely describe a real trajectory. Several possibilities remain compatible with the evidence:
- one or more reported positions may have been estimated inaccurately;
- the reported speed may have been calculated incorrectly;
- the disappearance point may have been remembered or recorded inaccurately;
- the radar return could have represented an atmospheric, equipment or propagation effect rather than a solid object following a simple flight path; or
- the target could have been an ordinary object whose recorded measurements became internally inconsistent during reporting.
Because the observations cannot be reconstructed into a coherent route, none of these possibilities can be eliminated solely from the surviving radar data. The broken geometry weakens attempts to argue either for an extraordinary craft or for any single conventional explanation.
Why the broken track matters
Within the wider Goose Bay radar mystery, the failed reconstruction is arguably the most important piece of evidence. It explains why later investigators could neither confirm nor confidently dismiss the incident.
If the reported measurements had formed a consistent track, analysts could have compared that route with weather balloons, aircraft movements, meteorological conditions or other known traffic. Because the plotted route itself failed basic geometric consistency, those comparisons become far less reliable.
This also helps explain why later retellings of the Goose Bay incident sometimes quote different speeds, distances or flight characteristics. Once the original measurements proved mutually incompatible, subsequent authors often emphasised different parts of the record, occasionally mixing this short-range case with separate Goose Bay radar stories involving much higher reported speeds. Those later combinations should not be treated as evidence for the 1948 incident itself.[govweird.com]govweird.comgoose bay labrador october 1948 incident number illegible 28931625Project Blue Book: Goose Bay, Labrador, October 1948 - Incident Number: [ILLEGIBLE] · govweird…
Why the case remains unresolved
The Goose Bay radar incident remains unresolved not because investigators verified an unknown craft, but because the surviving evidence is too inconsistent to reconstruct a reliable radar track. The original observation appears genuine in the sense that two operators reported watching an unusual return on their display. However, the conflicting range, bearing, speed and timing measurements prevent investigators from determining exactly where the target travelled or even whether all recorded figures describe the same object.
For the history of UFO reports in Newfoundland and Labrador, that distinction is significant. Goose Bay is best understood as a case where the limitations of the available measurements—not necessarily the nature of the target itself—created the enduring mystery.[govweird]govweird.comgoose bay labrador october 1948 incident number illegible 28931625Project Blue Book: Goose Bay, Labrador, October 1948 - Incident Number: [ILLEGIBLE] · govweird…
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Endnotes
1.
Source: govweird.com
Title: goose bay labrador october 1948 incident number illegible 28931625
Link:https://www.govweird.com/topics/ufo/project-blue-book/goose-bay-labrador-october-1948-incident-number-illegible-28931625
Source snippet
Project Blue Book: Goose Bay, Labrador, October 1948 - Incident Number: [ILLEGIBLE] · govweird...
Published: october 1948
2.
Source: nicap.org
Link:https://www.nicap.org/reports/goose.htm
Source snippet
Summer 1948Goose Bay Radar Case Summer of 1948 Goose Bay, Labrador Major Edwin A. Jerome, USAF (Ret.): "My only real contact with the UFO...
3.
Source: nicap.org
Link:https://www.nicap.org/chronos/1948fullrep.htm
Source snippet
30, 1948; About 15 (25?) miles WNW of Grays Harbor/Pacific Beach, Washington (BBU) 4:20?-4:30 p.m. (PST). While flying in an F-82 fighter...
4.
Source: nicap.org
Title: section 8
Link:https://www.nicap.org/ufoe/section_8.htm
Source snippet
Ionized air "islands,"^{ }which are commonly invoked to explain radar-UFO reports, he said were easily recognizable. Their blips "pile up...
Additional References
5.
Source: tc.canada.ca
Link:https://tc.canada.ca/en/aviation/aviation-accidents-investigations/responses-aviation-safety-recommendations/transport-canada-s-response-aviation-safety-recommendations-a94-01-a94-02-a94-03-a94-04-a94-05-a94-07-a94-08-a94-09-a94-10-a94-11-a94-12-a94-13-a94-14-a94-15-a94-16-a94
Source snippet
Canada's response to the Aviation Safety Recommendations A94-01, A94-02, A94-03, A94-04, A94-05, A94-07, A94-08, A94-09, A94-10, A94-11...
6.
Source: uforeleases.com
Title: 342 hs1 416511228 box186 319.1 flying discs 1949
Link:https://uforeleases.com/topics/army-air-force/342_hs1-416511228_box186_319.1-flying-discs-1949
Source snippet
Air Force Operational Reporting Network | UFO Releases - Declassified UFO Files | UFO Releases10. GOOSE BAY, NEWFOUNDLAND (FEBRUARY 18, 1...
7.
Source: collectionscanada.gc.ca
Title: This page will not be altered or updat
Link:https://www.collectionscanada.gc.ca/databases/ufo/001057-119.01-e.php?PHPSESSID=taq6tkh1mabsust3353mthnd63&interval=&isn_id_nbr=13019&record_id=13019-4761-13336
Source snippet
ARCHIVED - Item Display - Canada's UFOs: The Search for the Unknown - Library and Archives CanadaJuly 25, 1964 — ARCHIVED - CANADA'S UFOS...
Published: July 25, 1964
8.
Source: beannames.com
Title: vault62 — FBI UFO Files* Incident
Link:https://beannames.com/timeline
Source snippet
199 1948-10-30 other from Major Morris and Lt Kunsman, 318th All Weather Fighter Sq, 325th Fighter Gp, McChord AF Base, Washington Incide...
9.
Source: history.state.gov
Link:https://history.state.gov/historicaldocuments/frus1946v05/d41
Source snippet
Documents - Office of the HistorianDecember 16, 1946 — It was agreed that there was no substantial difference between the viewpoint of th...
Published: December 16, 1946
10.
Source: youtube.com
Link:https://www.youtube.com/watch?v=4eG7Z5de1D0
Source snippet
The Pentagon Just Declassified 50 UFO Encounters...
11.
Source: rafcommands.com
Link:https://www.rafcommands.com/archive/08339.php
Source snippet
Possible Lancaster Crash in Goose Bay, Labrador in 1951 or 1952 [RAFCommands Archive]March 2, 2006 — POSSIBLE LANCASTER CRASH IN GOOSE BA...
Published: March 2, 2006
12.
Source: youtube.com
Title: The Pentagon Just Declassified 50 UFO Encounters
Link:https://www.youtube.com/watch?v=0UvrxfAgu48
Source snippet
UFO's Declassified: Did "WE" Make UFO's? | Ep 1...
13.
Source: youtube.com
Link:https://www.youtube.com/watch?v=lYvKey0_PVE
Source snippet
The Summer of UFOs: Canada's 1975 Wave (with Chris Rutkowski)...
14.
Source: bst.gc.ca
Link:https://www.bst.gc.ca/eng/rapports-reports/aviation/2007/a07a0025/a07a0025.html
Source snippet
Goose Bay, Newfoundland and Labrador 13 March 2007 The Transportation Safety Board of Canada (TSB) invest...
Published: March 2007