Questions tagged [flight-recorders]

Devices that record data about an aircraft and/or its cockpit environment, so as to aid in accident investigations or troubleshooting/maintenance. Use this tag for questions about flight recorders in general, or about types of flight recorders other than an FDR or CVR; use the [flight-data-recorder] or [cockpit-voice-recorder] tag if the question is about one of those specific kinds of recorders.

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1answer
150 views

Do solid-state flight recorders use wear levelling?

Most newer aircraft, plus some retrofitted older aircraft, have flight recorders that use solid-state flash memory as their recording medium, instead of the magnetic-tape recorders previously used (or ...
2
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1answer
158 views

What is the feasibility of fitting all aircraft with black boxes? [duplicate]

In the wake of the tragic helicopter crash on January 26,2020 which killed Kobe Bryant and eight other people, it would seem to make sense to follow transport category aircraft standards and fit all ...
37
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2answers
6k views

MH370 blackbox - is it still possible to retrieve data from it?

If the blackbox of MH370 were to be found today, would it actually still provide any information, assuming that it was in 5km deep water or so for some 5 years now? If not, why would you still be ...
10
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2answers
374 views

Is there a Cockpit Video Recorder?

Often we hear about Cockpit Voice Recorders, but are there video recorders?
4
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1answer
486 views

Why are piston-engined aircraft generally exempted from U.S. flight recorder requirements?

Most, if not all, of the FAA’s requirements for carriage of flight recorders do not apply to piston-engined aircraft. For instance, 14 CFR 91.609(c)(1) (emphasis added): No person may operate a U....
11
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1answer
372 views

Do FDRs & CVRs (black boxes) have an in-service life span?

Do Flight Data Recorders (FDRs) and Cockpit Voice Recorders (CVRs), aka black boxes, have an in-service life span? Is it necessary to replace them over time? If so, are there any regulations ...
17
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3answers
3k views

What makes flight recorders harder to find than tagged sharks?

It really bothers me that we can't find planes that weigh tons with black boxes (AFAIK) technology that's almost obsolete, on the other hand shark tags (AFAIK) work great for long time and we can ...
9
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1answer
631 views

What if a flight, transporting a recorder from an aviation accident, crashes?

Are there any correctives or countermeasures against the rare irony, that objects essential to a flight accident (eg recovered flight data recorder and cockpit voice recorders) are damaged or ...
9
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2answers
1k views

After a crash, does the information stored on flight recorders have expiration dates?

After the recent announcement of the recovery of the flight recorders of AirAsia flight were recovered, I was wondering if black boxes deteriorate after a set amount of time. As of now, nothing of ...
18
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4answers
8k views

Why are flight recorders generally located in the tail?

Is there a particular reason why FDRs and CVRs and associated similar bits of equipment are kept in the tail section of a plane?
3
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1answer
885 views

If we add a video recorder in the cockpit to complete FDR/CVR, will we add a blackbox? [closed]

The introduction of a video recorder in addition to the current audio and flights parameters recorders used for crash investigation (CVR and FDR) is suggested by this article (published in the New ...
9
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1answer
914 views

Do flight recorders need more efficient antennas?

At a frequency of 37.5 kHz, a quarter wavelength is about 2 km (1.24 miles) long. How does the black box efficiently radiate anything if it is not attached to 2 km of antenna?
12
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1answer
4k views

How much water pressure can flight recorders withstand?

How deep can black boxes go under water and how much pressure can they withstand while under water before they get crushed? I'm a layman in terms of aviation, so if it's not too much to ask, can you ...
20
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4answers
11k views

Like transponders, can flight recorders be turned off?

I never knew much about airplanes before the tragic incident of Malaysia 370. I have been spending a lot of time on Twitter reading various articles and investigations; in one of the articles I read, ...
43
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1answer
13k views

Do flight recorders float in water?

In a recent BBC article regarding the disappearance of Malaysian Airlines Flight 370 (MH-370), the writer refers to a US Naval officer's statement: Commander William Marks from the US Seventh Fleet,...
14
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1answer
17k views

Which aircraft are required to have a black box?

When is an aircraft required to have a Cockpit Voice Recorder or a Flight Data Recorder?