Object

The Cybermen Guidance Beacon

A compact metallic device aboard the rocket, its internal gyro controls locked and flight trimmers jammed. Its redirected trajectory exposes the Doctor’s calculations as fatally flawed—the Beacon now bears a collision course with Voga rather than the Cybermen’s vessel. Stevenson and Tyram watch its approach with rising horror as the beacon’s cold metal holds silent evidence of the Cybermen’s precision kill-switch.

6 appearances

Purpose

To serve as a targeting device for Cybermen weapons guidance systems

Significance

The malfunctioning Beacon transforms from a narrow technical failure into the catalyst for strategic breakdown, forcing all factions to confront the Cybermen’s certain strike against Voga and the Doctor’s apparent helplessness to prevent it

Appearances in the Narrative

When this object appears and how it's used

6 moments

S12E19 · Revenge of the Cybermen Part 3

Tyram accuses Vorus of treason

The Vogan Survival Beacon is cited by Tyram as the source of incriminating evidence against Vorus, serving as both a narrative catalyst and political powder keg. Its mention justifies the abrupt shift from interrogation to physical confrontation in the gold mines, tying alleged treason to a tangible artifact.

Before: Intact and presumably in a secured location within Voga’s infrastructure, referenced with implied forensic or symbolic value

After: Still intact but now central to a declared mission to extract answers from Vorus, its location unknown to Tyram but destined to become a point of contention

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S12E19 · Revenge of the Cybermen Part 3

Tyram plots to storm the gold mines

The Beacon serves as the disputed incriminating device that Tyram insists implicates Vorus in a plot against the state. Though physically absent from this confrontation in Tyram’s room, it functions as the symbolic trigger for his decision to march into the gold mines and force Vorus to answer for his alleged involvement.

Before: Stored or monitored within Vogan infrastructure as potential evidence of state treason, its exact whereabouts unknown to outsiders.

After: Unaltered but central to the escalating suspicions driving the next confrontation.

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S12E19 · Revenge of the Cybermen Part 3

Sarah warns Doctor as Cybermen attack

The Beacon becomes the focal point of the crisis—both a militarized target and a symbolic liability—with conflicting demands to either destroy it or preserve it as a defensive asset.

Before: Active monitoring system and political asset linked to Vorus’s alleged treachery, standing near the Cybermen’s first landing zone.

After: Its destruction is now proposed as a desperate strategy to exploit Cybermen vulnerability, heightening both hope and ethical conflict.

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S12E19 · Revenge of the Cybermen Part 3

Cybermen ambush halts Tyram's advance

The Vogan Survival Beacon’s incrimination of Vorus is referenced indirectly as Tyram demands answers about the rocket, linking the Beacon’s political importance to the rocket’s purpose and the Cybermen’s real-time threat.

Before: Held in undisclosed location or function, its evidence tied to Vorus’s alleged ambition and roles as political leverage within Vogan society.

After: Implicated by Tyram’s confrontation and Kellman’s panic; its significance is amplified as a potential catalyst for Cybermen retaliation.

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S12E20 · Revenge of the Cybermen Part 4

Doctor confirms doomed collision with Voga

The Cybermen Guidance Beacon temporarily ceases to be the immediate hazard when the rocket swerves past it. Its metallic presence becomes a silent witness to the Doctor’s horrified discovery: it was engineered to permit this near miss, only to redirect the rocket toward Voga through its kill-switch mechanisms.

Before: A compact, active threat device aboard the rocket with its gyro and flight systems locked and trimmers jammed by Cybermen sabotage

After: Functionally disabled as a direct weapon but having successfully altered the rocket’s course to fulfill its intended function

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S12E20 · Revenge of the Cybermen Part 4

Vogs question the Doctor’s delay

The Cybermen Guidance Beacon is the fatal projectile now locked on a collision path with the Guild Room. Its trajectory exposes the failure of the Doctor’s evasive calculations and serves as a silent witness to the Cybermen’s final sabotage, now redirected toward their former allies.

Before: Under the Doctor’s control with trimmers jammed after the Cybermen’s intervention, aimed away from Vogan space.

After: Still locked on course toward the Guild Room, now a potential weapon against those who once sought to destroy the Cybermen.

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