# Who turned the aircraft, and why? · Malaysia Airlines Flight MH370 > Four answers have been proposed. None is ahead on the evidence yet. Four are still possible. Source: https://mysteriesdept.com/mysteries/mh370/questions/QST0CWY757G2DPC/who-turned-the-aircraft-and-why Publisher: Mysteries Department Licence: CC BY 4.0 (credit Mysteries Department and link the page) Updated: 2026-10-26T11:58:08+00:00 --- **0** # Who turned the aircraft, and why? Asked 26 Oct 2026 by [**apollo** ](https://mysteriesdept.com/u/apollo)·4 answers·0·0 following **Four answers, none ahead** None is ahead yet. See what would settle it. ## Where it stands Four answers have been proposed. None is ahead on the evidence yet. Four are still possible. ## Why it matters The turn-back at IGARI, the loss of every communications system within minutes, and the route along the border between two countries' airspace are the facts that make this a mystery rather than an accident⁠[[1]](https://mysteriesdept.com/sources/SRC0CWY6VPT0VHS/safety-investigation-report-malaysia-airlines-boeing-b777). The investigation could not determine the cause or exclude deliberate action. ## Answers 4 [**A fire, depressurisation or electrical failure incapacitated the crew after they turned toward a diversion…** ](https://mysteriesdept.com/mysteries/mh370/answers/ANS0CWY7B306JD6/a-fire-depressurisation-or-electrical-failure-incapacitated) Failed a test; not refuted outright Evidence: 3 against Disputed [**A passenger or stowaway seized the aircraft.** ](https://mysteriesdept.com/mysteries/mh370/answers/ANS0CWY7AKC54XY/a-passenger-or-stowaway-seized-the-aircraft) Not tested enough to call either way Evidence: 1 against Still possible [**None of these.** ](https://mysteriesdept.com/mysteries/mh370/answers/ANS0CWY7C2802DC/none-of-these) Not tested enough to call either way Evidence: none yet Still possible [**The captain (or another person on the flight deck) deliberately diverted the aircraft and flew it to fuel…** ](https://mysteriesdept.com/mysteries/mh370/answers/ANS0CWY79CA2ZB3/the-captain-or-another-person-on-the-flight-deck) Not tested enough to call either way Evidence: 3 for, 1 against Still possible ## History 1. 2015[Ashton et al.: the SATCOM logged back on at 02:25, which implies power was restored to it after an interruption.](https://mysteriesdept.com/sources/SRC0CWY6VYM12BH/the-search-for-mh370)Against: A fire, depressurisation or electrical failure incapacitated the crew after they turned toward a diversion… 1. 2018[The Malaysian ICAO Annex 13 Safety Investigation Team for MH370 puts forward: the captain (or another person on the flight deck) deliberately diverted the aircraft and flew it to fuel…](https://mysteriesdept.com/sources/SRC0CWY6VPT0VHS/safety-investigation-report-malaysia-airlines-boeing-b777) 1. 2018[The Malaysian ICAO Annex 13 Safety Investigation Team for MH370 puts forward: a passenger or stowaway seized the aircraft.](https://mysteriesdept.com/sources/SRC0CWY6VPT0VHS/safety-investigation-report-malaysia-airlines-boeing-b777) 1. 2018[The Malaysian ICAO Annex 13 Safety Investigation Team for MH370 puts forward: a fire, depressurisation or electrical failure incapacitated the crew after they turned toward a diversion…](https://mysteriesdept.com/sources/SRC0CWY6VPT0VHS/safety-investigation-report-malaysia-airlines-boeing-b777) 1. 2018[The Malaysian ICAO Annex 13 Safety Investigation Team for MH370: nothing in the crew's medical, financial or personal records showed intent or distress.](https://mysteriesdept.com/sources/SRC0CWY6VPT0VHS/safety-investigation-report-malaysia-airlines-boeing-b777)Against: The captain (or another person on the flight deck) deliberately diverted the aircraft and flew it to fuel… 1. 2018[The Malaysian ICAO Annex 13 Safety Investigation Team for MH370: the investigation found the turn-back was flown manually and the route followed waypoints along the…](https://mysteriesdept.com/sources/SRC0CWY6VPT0VHS/safety-investigation-report-malaysia-airlines-boeing-b777)For: The captain (or another person on the flight deck) deliberately diverted the aircraft and flew it to fuel… 1. 2018[The Malaysian ICAO Annex 13 Safety Investigation Team for MH370: background checks on all passengers found nothing; no claim was made.](https://mysteriesdept.com/sources/SRC0CWY6VPT0VHS/safety-investigation-report-malaysia-airlines-boeing-b777)Against: A passenger or stowaway seized the aircraft. 1. 2018[The Malaysian ICAO Annex 13 Safety Investigation Team for MH370: the route after the turn-back involved several heading changes consistent with deliberate navigation, not a…](https://mysteriesdept.com/sources/SRC0CWY6VPT0VHS/safety-investigation-report-malaysia-airlines-boeing-b777)Against: A fire, depressurisation or electrical failure incapacitated the crew after they turned toward a diversion… 1. 26 Oct 2026Asked on this site ## Discussion 0 [Add to the discussion](https://mysteriesdept.com/signin?next=/mysteries/mh370/questions/QST0CWY757G2DPC/who-turned-the-aircraft-and-why%23discussion) Help with this question [ **Propose an answer** Something the evidence could support or rule out ] [ **Propose an answer** Something the evidence could support or rule out ](https://mysteriesdept.com/signin?next=/mysteries/mh370/questions/QST0CWY757G2DPC/who-turned-the-aircraft-and-why%23add-answer) [ **Add evidence** A result for or against an answer ] [ **Add evidence** A result for or against an answer ](https://mysteriesdept.com/signin?next=/mysteries/mh370/questions/QST0CWY757G2DPC/who-turned-the-aircraft-and-why%23add-evidence) [ **Ask a sub-question** A smaller question that would help settle this one ] [ **Ask a sub-question** A smaller question that would help settle this one ](https://mysteriesdept.com/signin?next=/mysteries/mh370/questions/QST0CWY757G2DPC/who-turned-the-aircraft-and-why%23add-question) [ **Add a source** A paper, archive record or image ] [ **Add a source** A paper, archive record or image ](https://mysteriesdept.com/signin?next=/mysteries/mh370/questions/QST0CWY757G2DPC/who-turned-the-aircraft-and-why%23add-source) Where it fits Malaysia Airlines Flight MH370 **Who turned the aircraft, and why?** Key question · you're here [ Ask a question under this one ]