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NTSB-AAR-14-01NTSB REGISTRYCommercial Aviation

Asiana Airlines Flight 214: Cockpit Autothrottle Mode Confusion & Steep Cultural Gradient

Incident Failure Topology Brief
Catastrophic (Level 5)Sev 9.4/10

Decision_Node misunderstood automated automation state mode. Steep social and hierarchical authority gradient in the cockpit suppressed subordinate nodes from executing go-around invariant until kinetic recovery envelope was breached.

Failure Invariant Breach
Authority gradient suppression
Absent Safety Recovery Mechanism
Mandatory two-challenge takeover protocol codified in flight law
Domain De-Aliasing & Jargon Stripping
Raw Domain Record (Subjective Narrative)

Boeing 777-200ER struck the seawall short of runway 28L at San Francisco International Airport. During a manual visual approach with glide slope out of service, the pilot flying inadvertently changed autopilot modes from FLCH to V/S, causing the autothrottle to enter "HOLD" mode where it stopped maintaining airspeed. The trainee captain was intimidated by the instructor captain in the right seat and failed to assertively command a go-around until 3 seconds before seawall impact.

PatternDB Invariant Representation

Decision_Node misunderstood automated automation state mode. Steep social and hierarchical authority gradient in the cockpit suppressed subordinate nodes from executing go-around invariant until kinetic recovery envelope was breached.

Causal Failure Topology & State Vectors
4 Sequential Invariant Breaches
STEP 01DEGRADE
Pilot_Flying

Selected FLCH mode while above glide path, then disconnected pitch autopilot, locking autothrottle in HOLD

Vector: Automation mode confusion
STEP 02DEGRADE
Cockpit_State_Telemetry

Decayed from 137 knots to 103 knots (34 knots below target)

Vector: Unobserved airspeed decay
STEP 03DEGRADE
Instructor_Pilot

Failed to monitor PFD speed tape due to fixation on visual runway alignment

Vector: Telemetry channel attenuation
STEP 04RUPTURE
Trainee_Pilot

Hesitated to execute go-around without explicit senior instructor permission until 1.5 seconds before impact

Vector: Authority gradient suppression
Decision Nodes Involved
Trainee Captain (Pilot Flying)
Instructor Captain (Pilot Monitoring)
Observer First Officer
Telemetry Channels
Primary Flight Display (PFD) Flight Mode Annunciator (FMA)
Auditory Low-Speed Warning Siren
Constraint Boundaries Breached
Stabilized Visual Approach Criteria (Min Airspeed 137 knots at 500ft AGL)
Official Regulatory Audit Citation
NTSB RegistryNTSB-AAR-14-01
Incident Official DateJul 6, 2013
Quantified Systemic Loss3 Fatalities, 187 Injuries & Total Hull Loss of Boeing 777
Primary Investigation Transcripts:

"The trainee captain told investigators he felt hesitation to initiate a go-around because it would have embarrassed the instructor pilot."

Immutable Archive RecordVerify at NTSB Primary Database

Cross-Domain Invariant Twin Failures (48)

Cross-Domain Invariant Twin
100% Topological MatchΔ 0.000
NTSB-AAR-14-01Commercial Aviation
Asiana Airlines Flight 214: Cockpit Autothrottle Mode Confusion & Steep Cultural Gradient

Decision_Node misunderstood automated automation state mode. Steep social and hierarchical authority gradient in the cockpit suppressed subordinate nodes from executing go-around invariant until kinetic recovery envelope was breached.

Source Authority:NTSB
NTSB-AAR-1977-0327Commercial Aviation
KLM 4805 & Pan Am 1736 Runway Incursion: Extreme Captain Authority Gradient

High-authority Decision_Node initiated irreversible state transition without clearance. Lower-tier monitoring nodes observed state ambiguity but were structurally inhibited from executing emergency stop-action.

Source Authority:NTSB
Shared Failure Vector: Sensor_Telemetry -> First_Officer (Detected) -> Captain (Rejected/Silenced) -> Controls
Deep Compare
Cross-Domain Invariant Twin
100% Topological MatchΔ 0.000
NTSB-AAR-14-01Commercial Aviation
Asiana Airlines Flight 214: Cockpit Autothrottle Mode Confusion & Steep Cultural Gradient

Decision_Node misunderstood automated automation state mode. Steep social and hierarchical authority gradient in the cockpit suppressed subordinate nodes from executing go-around invariant until kinetic recovery envelope was breached.

Source Authority:NTSB
NTSB-AAR-10-01Commercial Aviation
Colgan Air Flight 3407: Low-Speed Cue Inattention & Stick Pusher Counter-Override

Decision_Nodes experienced situational awareness decay in State_Telemetry. When automated recovery actuator (stick pusher) engaged to restore boundary invariant, human operator exerted muscular override in direct contradiction to recovery laws.

Source Authority:NTSB
Shared Failure Vector: Sensor_Telemetry -> First_Officer (Detected) -> Captain (Rejected/Silenced) -> Controls
Deep Compare
Cross-Domain Invariant Twin
100% Topological MatchΔ 0.098
NTSB-AAR-14-01Commercial Aviation
Asiana Airlines Flight 214: Cockpit Autothrottle Mode Confusion & Steep Cultural Gradient

Decision_Node misunderstood automated automation state mode. Steep social and hierarchical authority gradient in the cockpit suppressed subordinate nodes from executing go-around invariant until kinetic recovery envelope was breached.

Source Authority:NTSB
FDA-MAUDE-2022-4411Biomedical / Hospital Ops
Retained Laparotomy Surgical Sponge Following Dismissal of Nursing Discrepancy

Lower-tier Decision_Node detected state discrepancy and signaled warning. Dominant Decision_Node overrode telemetry channel to preserve operational velocity proxy. Invariant violation locked inside physical organism.

Source Authority:FDA
Shared Failure Vector: Sensor_Telemetry -> First_Officer (Detected) -> Captain (Rejected/Silenced) -> Controls
Deep Compare