It’s a fair question and I find your comment to be an interesting example of resorting to a conspiracy theory because you don’t understand something that’s easily explainable.
The Boeing 737-800 has batteries that power certain things in the event of a dual engine failure, including cabin lighting.
Those same batteries, on 737s manufactured more than about 15 years ago, do not provide backup power to the flight data recorder or cockpit voice recorder.
The Boeing 737-800 has batteries that power certain things in the event of a dual engine failure, including cabin lighting.
Those same batteries, on 737s manufactured more than about 15 years ago, do not provide backup power to the flight data recorder or cockpit voice recorder.