Theories
Terrorism
Hijack, bomb, or organised political violence

Proposition
MH370 disappeared as the result of a terrorist act.
11%
Less than 50%
3 for · 6 against · 7 related
Two passengers used stolen European passports. No group claimed the flight. Kuala Lumpur hosted an al-Qaeda meeting in January 2000 attended by men later on the 9/11 flights. The 2018 report did not convert the passports into a terror finding.
Sources
- Forevi-stolen-passportsTwo stolen European passports
Yes — two Iranian men were on board. They travelled on stolen European passports (Italian and Austrian), not Iranian documents. The official investigation treated them as likely asylum seekers and did not adopt a terrorism finding.
- Forthy-third-partyThird-party intervention
The Annex 13 team wrote that intervention by a third party cannot be excluded. Remote hijack as implemented technology on commercial 777s was ruled out.
- Forx-kl-aq-summit-2000Al-Qaeda meeting, Kuala Lumpur, January 2000
Hijackers later on the 9/11 flights attended an al-Qaeda meeting in Kuala Lumpur in January 2000. CIA tracked the meeting. Fourteen years later MH370 left the same city’s airport.
- Againstclaim-no-responsibilityNo group claimed MH370
Twelve years on, no organisation has issued a credible claim of responsibility. Absence of a claim is not proof of innocence; it is a fact that sits next to the stolen passports.
- Againstclaim-manual-inputsThe diversion likely resulted from manual inputs
Official 2018 consensus. Who made the inputs is not identified. Mechanical-only stories are a poor fit for a coherent reverse course plus comms dropout.
- Againstclaim-comms-manualCommunications were more likely switched off or unpowered than randomly failed
ACARS, transponder and VHF drop together near IGARI. The report favours manual off / power interrupt, without proving intent.
- Againstclaim-last-voice-captainThe last radio call is attributed to the captain
Official voice identification. Calm, protocol-correct handover two minutes before transponder loss.
- Againstthy-pilotFlight-crew diversion
The 2018 report says the turn-back likely resulted from manual inputs. It does not identify a crew member as perpetrator and did not treat the home simulator as a plan.
- Againstthy-mechanicalMechanical / cargo-fire failure
A running systems failure that also produces a coherent reverse course and six more hours of SATCOM is a poor fit. Lithium-battery cargo was reviewed and not adopted as cause.
- Relatedevt-departMH370 departs Kuala Lumpur
Malaysia Airlines Flight 370, a Boeing 777-2H6ER registered 9M-MRO, takes off from KLIA runway 32R bound for Beijing Capital International Airport with 227 passengers and 12 crew.
- Relatedq-who-flewWho was flying after IGARI?
Official report: cannot establish if anyone other than the two pilots was at the controls. Manual inputs likely; actor unknown.
- Relatedevi-cargoCargo, including lithium-ion batteries
The aircraft carried cargo including lithium-ion batteries. The investigation found they were packed to regulation and did not support a cargo-fire cause.
- Relatedx-cia-malaysia-911CIA / Malaysia 9/11 files — KLIA facilitator, Iraqi embassy, twin-tower skyline
Nic Moneypenny’s reading of declassified intelligence: a facilitator of 9/11 pilots worked at Kuala Lumpur airport; reporting on the Iraqi embassy in Malaysia and passports; al-Qaeda’s 2000 meeting beside Petronas Towers.
- Relatedclaim-third-partyThird-party intervention cannot be excluded
Quoted residual from the 2018 report. Not a finding that it happened.
- Relatedthy-terrorismTerrorism
Stolen passports and a residual third-party clause keep the hypothesis in the file. No claim of responsibility, no identified bomb, no identified hijack crew.
- Relatedfilm-netflix-disappearedMH370: The Plane That Disappeared
Louise Malkinson’s three-part series gives one episode to each of three tellings: the pilot, a Russian hijack (Jeff Wise), and a US intercept (Florence de Changy). Families and Malaysia Airlines crisis staff are interviewed. It is a survey of hypotheses, not a finding.