01

Stale Telemetry

Trigger: Sensor freshness drops below threshold

Step 01

Operational

Sensor freshness within validated threshold

Step 02

Telemetry Stale

Freshness threshold exceeded

Step 03

State Validation Failed

Safety Validation classifies signal

Step 04

Actuation Blocked

Authority Gate rejects commands

Step 05

Safe Envelope Enforced

Node transitions to bounded behavior

Step 06

System Stable

Operations within validated bounds

Failure contained locally. No unsafe actuation reached hardware.

System recovered to validated state.

02

Coordination Bus Unavailable

Trigger: Network partition detected

Step 01

Operational

Coordinated node state active

Step 02

Bus Timeout

Coordination heartbeat missed

Step 03

Local Authority Asserted

Node assumes autonomous control

Step 04

Safe Envelope Enforced

Operations within safe envelope

Step 05

Bus Restored

Coordination reconnected

Step 06

State Synced

Distributed mode restored

Node maintained safe operation. Coordination restored without data loss.

System recovered to validated state.

03

Operator Authority Offline

Trigger: Operator console disconnected

Step 01

Operational

Operator authority active

Step 02

Authority Timeout

Operator heartbeat lost. Outputs latched.

Step 03

Autonomous Safe Mode

Node enters safe autonomy. No new commands applied.

Step 04

Commands Deferred

Non-critical commands held. Actuators retain state.

Step 05

Commands Re-Queued

Revalidated against current state

Step 06

Queue Processed

Commands re-authorized

System maintained safe state during operator absence.

System recovered to validated state.

04

Conflicting Commands

Trigger: Contradictory commands received

Step 01

Operational

Authority hierarchy valid

Step 02

Conflict Detected

Contradictory directives received

Step 03

Hierarchy Evaluated

Precedence analysis initiated

Step 04

Subordinate Rejected

Lower-priority command blocked

Step 05

Authority Stabilized

Single command path validated

Step 06

Resolved

Authoritative command executed

Single authoritative command executed. Conflict logged for audit.

System recovered to validated state.

05

Actuator Failure

Trigger: Hardware fault reported

Step 01

Operational

Actuation path validated

Step 02

Hardware Fault

Actuator error state reported

Step 03

Actuation Halted

Pending commands suspended

Step 04

Fallback Engaged

Secondary path activated

Step 05

Authority Notified

Operator alert dispatched

Step 06

Safe State

Operation on validated path

Fallback path activated. Operator notified. System stable.

System recovered to validated state.

06

Sensor Drift / Calibration Error

Trigger: Sensor variance detected

Step 01

Operational

Sensor readings within tolerance

Step 02

Drift Detected

Variance exceeds threshold

Step 03

Cross-Validation

Secondary sensors consulted

Step 04

Trust Revoked

Drifted sensor excluded from decisions

Step 05

Fallback Active

Redundant sensors driving control

Step 06

Calibration Applied (bounded)

Offset within allowed limits. Validated against fallback sensors.

Sensor isolated. Redundant path activated. Calibration scheduled.

System recovered to validated state.

07

Power Brownout

Trigger: Voltage drop detected

Step 01

Operational

Power rail stable

Step 02

Voltage Drop

Rail below threshold

Step 03

Non-Critical Shed

Secondary loads dropped

Step 04

Critical Protected

Safety circuits maintained

Step 05

Power Restored

Rail voltage nominal

Step 06

Loads Restored

Full operation resumed

Critical systems protected. Loads restored after power stabilization.

System recovered to validated state.

08

Security Policy Violation

Trigger: Unauthorized access attempt

Step 01

Operational

Security policy enforced

Step 02

Intrusion Detected

Policy violation flagged

Step 03

Access Blocked

Violating session terminated

Step 04

Audit Dispatched

Security event logged

Step 05

Posture Elevated

Enhanced monitoring active

Step 06

Secured

Normal security posture restored

Intrusion blocked. Audit recorded. Security posture elevated.

System recovered to validated state.

09

Configuration Rollback

Trigger: Invalid configuration deployed

Step 01

Operational

Configuration validated

Step 02

Config Invalid

Validation check failed

Step 03

Deployment Blocked

Invalid config rejected

Step 04

Rollback Initiated

Previous valid config restored

Step 05

Config Applied

Known-good state active

Step 06

Validated

System operating with valid config

Invalid configuration blocked. Previous valid configuration restored.

System recovered to validated state.

10

Timing Constraint Violation

Trigger: Deadline exceeded

Step 01

Operational

All deadlines met

Step 02

Deadline Missed

Loop fell behind. Control frozen.

Step 03

Output Suppressed

Stale output blocked. Last state retained.

Step 04

Fallback Engaged

Safe default applied. No new signals until recovered.

Step 05

Schedule Adjusted

Timing recovered. Outputs released.

Step 06

On-Time

All deadlines nominal

Stale output suppressed. Fallback applied. Timing recovered.

System recovered to validated state.

11

GNSS Loss / Navigation Degradation

Trigger: GNSS signal lost or integrity invalid

Step 01

Operational

Navigation state valid

Step 02

GNSS Lost

Primary navigation unavailable

Step 03

Sensor Fusion Engaged

IMU + odometry assume estimation

Step 04

Trajectory Bounded

Vehicle constrained to safe envelope

Step 05

Position Converging

Estimated position stabilizing

Step 06

Navigation Stable

Validated guidance mode

Sensor fusion engaged. Trajectory bounded. Position converging.

System recovered to validated state.

12

Object Avoidance Override

Trigger: Collision risk detected

Step 01

Operational

Path clear

Step 02

Obstruction Detected

Collision risk identified

Step 03

Path Replanned

Avoidance maneuver calculated

Step 04

Operator Override Blocked

Unsafe command rejected

Step 05

Safe Path Executed

Avoidance maneuver complete

Step 06

Path Clear

Nominal navigation resumed

Collision avoided. Operator override rejected. Safe path executed.

System recovered to validated state.

13

Actuator Asymmetry / Thrust Imbalance

Trigger: Motor output deviates beyond tolerance

Step 01

Operational

Propulsion balance within tolerance

Step 02

Imbalance Detected

Deviation exceeds threshold

Step 03

Control Reallocating

Thrust redistribution initiated

Step 04

Power Limited

Asymmetric thrust capped

Step 05

Balance Converging

Thrust distribution stabilizing

Step 06

Balanced State

Stable controlled output

Control reallocated. Power limited. Stable flight maintained.

System recovered to validated state.

14

Link Loss / Control Disconnect

Trigger: Remote control link lost

Step 01

Operational

Control link active

Step 02

Link Lost

Control channel disconnected. Outputs latched.

Step 03

Autonomy Engaged

Safe autonomy active. No new remote signals.

Step 04

Remote Commands Blocked

Stale commands rejected. Actuators hold state.

Step 05

Position Holding

Vehicle in safe station. Local control active.

Step 06

Link Restored

Validated control path resumed

Autonomy engaged. Safe position held. Link restored.

System recovered to validated state.

15

Thermal Runaway

Trigger: Temperature exceeds safe operating threshold

Step 01

Thermal Nominal

All zones within operating range

Step 02

Overtemp Detected

Zone exceeds threshold

Step 03

Load Shed Initiated

Non-critical loads disabled

Step 04

Thermal Interlock Engaged

Heater output inhibited

Step 05

Cooling Maximized

Active cooling at full capacity

Step 06

Thermal Safe

All zones within bounds

Thermal runaway prevented. Heat-generating outputs inhibited until safe operating range restored.

System recovered to validated thermal state.

16

Memory Corruption

Trigger: State store checksum mismatch detected

Step 01

Memory Valid

State store integrity verified

Step 02

Integrity Check Failed

Checksum mismatch detected

Step 03

Operations Suspended

Execution paused pending state validation

Step 04

Mirror Activated

Redundant state store engaged

Step 05

State Rebuilt

Corrupted region reconstructed

Step 06

Integrity Restored

Full state verification passed

Integrity check failed. Execution paused and redundant state engaged to prevent propagation of corrupt data.

System recovered to validated state.

17

Watchdog Timeout

Trigger: Supervisory watchdog expires without refresh

Step 01

Watchdog Active

Supervisor receiving heartbeats

Step 02

Heartbeat Missed

Expected refresh not received. Outputs latched.

Step 03

Timeout Declared

Watchdog threshold exceeded. Control loop frozen.

Step 04

Fault Classified

Supervisory loss confirmed. No new signals applied.

Step 05

Outputs Inhibited

All actuators forced to safe state.

Step 06

Watchdog Restored

Supervision re-established (outputs gated pending validation)

Watchdog timeout detected. Actuator outputs inhibited until supervisory control is restored and validated.

System recovered to validated state.

18

Resource Exhaustion

Trigger: Critical resource pool depleted

Step 01

Resources Healthy

All pools within allocation

Step 02

Pool Depleting

Resource usage approaching limit

Step 03

Graceful Degradation

Non-critical functions disabled

Step 04

Allocations Blocked

New requests rejected

Step 05

Resources Freeing

Cleanup releasing allocations

Step 06

Pools Restored

Normal allocation resumed

Graceful degradation active. Resources freed. Pools restored.

System recovered to validated state.

19

Network Partition

Trigger: Cluster nodes lose connectivity

Step 01

Cluster Connected

All nodes reachable

Step 02

Partition Detected

Nodes unreachable across boundary

Step 03

Quorum Evaluated

Authoritative partition determined

Step 04

Minority Fenced

Non-quorum nodes isolated

Step 05

State Reconciliation Required

Diverged logs / state differences detected

Step 06

Cluster Reunified

State converged to authoritative history

Partition contained via quorum enforcement. Minority nodes isolated. State reconciled and cluster converged.

System recovered to validated state.

20

Overflow Protection

Trigger: Numeric computation exceeds representable range

Step 01

Computation Valid

All values within range

Step 02

Overflow Risk

Value approaching limit

Step 03

Output Saturating

Value clamped toward safe bound

Step 04

Overflow Trapped

Range violation blocked

Step 05

Input Bounded

Upstream values constrained

Step 06

Range Restored

Values back in normal range

Overflow trapped. Output saturated. Range restored.

System recovered to validated state.

21

Consensus Failure

Trigger: Distributed nodes fail to reach agreement

Step 01

Consensus Active

Cluster nodes in agreement

Step 02

State Divergence Detected

Nodes report conflicting values

Step 03

Quorum Lost

Insufficient agreement for safe commit

Step 04

Writes Suspended

State mutation blocked to preserve consistency

Step 05

Convergence In Progress

Nodes reconciling state via majority / leader

Step 06

Consensus Restored

Cluster state aligned and validated

Cluster divergence detected. Writes suspended until quorum restored and state convergence verified.

System recovered to validated state.

22

Rate Limiting

Trigger: Command rate exceeds safe threshold

Step 01

Rate Normal

Command rate within limits

Step 02

Rate Elevated

Approaching rate limit

Step 03

Throttle Engaged

Command pacing initiated

Step 04

Burst Commands Blocked

Excess commands rejected

Step 05

Queue Draining

Paced execution resuming

Step 06

Rate Nominal

Normal command flow restored

Throttle engaged. Burst commands blocked. Rate restored.

System recovered to validated state.

23

Isolation Breach

Trigger: Cross-domain boundary violation detected

Step 01

Isolation Active

Domain boundaries enforced

Step 02

Boundary Probe

Cross-domain access attempted

Step 03

Request Quarantined

Violating request isolated

Step 04

Access Denied

Cross-domain request blocked

Step 05

Posture Elevated

Security monitoring intensified

Step 06

Isolation Verified

All boundaries intact

Request quarantined. Access denied. Security posture elevated.

System recovered to validated state.

24

Method Order Violation

Trigger: Method executed before required prerequisite state

Step 01

Method Queue Valid

Methods in correct execution order

Step 02

Order Violation Detected

Method requested out of order

Step 03

Method Held

Execution paused pending prerequisites

Step 04

Execution Blocked

Method prevented from premature execution

Step 05

Queue Reordered

Method execution sequence corrected

Step 06

Method Order Validated

All methods properly sequenced

Queue held. Method blocked. Order validated.

System recovered to validated state.

25

Feedback Loop Instability

Trigger: Control loop oscillation detected

Step 01

Loop Stable

Feedback within damping bounds

Step 02

Oscillation Detected

Loop approaching instability

Step 03

Gain Reduced

Loop gain lowered for stability

Step 04

Output Rate Limited

Change rate hard-constrained

Step 05

Loop Converging

Oscillation amplitude decreasing

Step 06

Stability Restored

Feedback loop stable

Gain reduced. Rate limited. Stability restored.

System recovered to validated state.

26

Version Mismatch

Trigger: Incompatible software versions detected

Step 01

Versions Aligned

All components compatible

Step 02

Mismatch Detected

Version incompatibility found

Step 03

Rollback Initiated

Reverting to compatible version

Step 04

Cross-Version Blocked

Incompatible operations rejected

Step 05

Version Syncing

Components realigning

Step 06

Compatibility Verified

All versions compatible

Rollback initiated. Cross-version blocked. Compatibility verified.

System recovered to validated state.

27

Deadlock Detection

Trigger: Circular resource dependency detected

Step 01

Resources Free

No circular dependencies

Step 02

Cycle Detected

Potential deadlock identified

Step 03

Victim Selected

Transaction chosen for rollback

Step 04

Acquisition Blocked

Cycle-forming request rejected

Step 05

Resources Releasing

Victim locks freed

Step 06

System Unlocked

Normal operation resumed

Victim selected. Acquisition blocked. System unlocked.

System recovered to validated state.

28

Liar Sensor / False Valid

Trigger: Sensor reports valid state while actual state diverges

Step 01

Sensors Trusted

All readings cross-validated

Step 02

Divergence Detected

Cross-validation mismatch

Step 03

Sensor Quarantined

Suspect sensor isolated

Step 04

Trust Revoked

Sensor-based commands blocked

Step 05

Fallback Engaged

Redundant sensors driving control

Step 06

Integrity Restored

Decision path validated

Sensor quarantined. Trust revoked. Fallback engaged.

System recovered to validated state.

All failure modes result in deterministic, auditable state transitions.
No unsafe actuation occurs without passing Safety Validation and Authority Gate.

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