Questions tagged [flight-data-recorder]

A flight data recorder, or FDR, is one of two flight recorders ("black boxes"), used to record pilot input and aircraft parameters for the purpose of investigation of accidents and incidents.

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23
votes
3answers
2k views

Why are FDRs and CVRs still two separate physical devices?

Given the histories of flight data recorders and cockpit voice recorders, I somewhat understand their origins as two separate physical devices. Given their separate tracks of development, regulatory ...
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1answer
2k views

What are the measurements for a "Black Box"? [closed]

I was wondering as to the measurements of "black box" recorders. I have a new invention involving the "Black Box" and I need to know the measurements of the recorder.
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0answers
220 views

Are there any proposals to continuously stream "black box" data? [duplicate]

After an aircraft incident, finding the black box is important to investigate the causes, because it contains a lot of valuable recorded data. The process of locating this can take a lot of time, and ...
6
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1answer
283 views

Constructing flight recorder data [duplicate]

By just going off the public information about a flight and what one knows about an aircraft, is it possible to construct a differ version of a flight recorder's data well enough to fool investigators?...
18
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1answer
5k views

Can flight data recorders be hacked?

In the event of a plane crash such as MH17, and the flight data recorders (FDR, a.k.a. "black boxes") are potentially in the "wrong hands", is it theoretically possible to: open the FDR and close it ...
18
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1answer
948 views

Who legally owns the Flight Data Recorder?

Who legally owns the Flight Data Recorder after an aircrash? Who is responsible for retrieving it and/or allowed to retrieve it? And how is it decided who carries out the crash investigation?
2
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2answers
558 views

Can airplanes transmit/relay flight data to ATC's periodically while in flight? [duplicate]

The flight data recorder is one important piece of information in the event of a crash. Can this information not be transmitted or relayed to the ATC's while the flight is air borne so that they don't ...
1
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1answer
198 views

Depth and range for FDR/CVR black box detection [duplicate]

What is the maximum depth range of a FDR underwater, at which it is able to be detected by receivers? I want to know the maximum range of ULB pinger locator if it's submerged.
26
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2answers
20k views

Why is the FDR and CVR put into water again after a water crash?

When a plane crashes in the water and the investigator team looks for the FDR and CVR, why do they put it in a container of water when they find it ?
4
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3answers
48k views

What is a flight leg and why it is so important for an aircraft?

A flight leg is basically flight from one point to another point, (I'm not sure if flight leg number increase with touch and go around). I would like to know more about flight leg under what all ...
11
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3answers
2k views

Is there anywhere I can pick up raw flight data recorder information?

We were plotting flightpaths as practice in programming class but unfortunately that was limited to some recordings from a research aircraft. I'm wondering if I can pick up the raw data files from (...
8
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3answers
2k views

How much data do FDR and CVR generate on commercial jets?

I'm wondering about how much CVR and FDR data an A320 (for example) would produce and at what intervals. I believe that there are 4 or 5 voice channel and several sensor data things. I'm trying to ...
3
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1answer
156 views

What is the format specification for Avidyne R9 flight data?

The Avidyne R9 records flight data five times per second and can export it for later analysis. I'm interested in parsing this data and exporting it to Google Earth / X-Plane for visualization. ...
4
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3answers
515 views

Could you encode data in a Black Box ping?

Black boxes put out a sonar ping at about 32kHz. From what I've read, depending on sea conditions the ping will be audible at the surface out to about 16 km, leaving a search area of around 1024 ...
4
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1answer
493 views

What protects the location beacon (pinger) of a flight data recorder?

The pictures of flight data recorders show that the location beacon (pinger) is outside the main protection encasement: Is it really a good idea to keep such a vital instrument unprotected? Or is ...
28
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6answers
42k views

Why are FDR's called "black boxes" when they are actually orange?

Why do they call flight data recorders a "black box" if it's orange in color? Just curious about this since I've seen several images of black boxes but they all come in orange colors, and not black. ...
18
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6answers
19k views

Why don't black boxes have their own GPS?

In too many cases of unfortunate incidents, hunting for FDR (or CVR also) is a major challenge.1 There are many or all answers recorded on that device. Why a locator (GPS linked) cannot be included ...
2
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0answers
67 views

Can the FDR be interfered with in-flight? [duplicate]

Can an FDR on a Boeing 777 be interfered with or vandalised during flight? If this has happened on MH370 then the black boxes may not yield any data if found.
3
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1answer
815 views

Why don't they have two black boxes? [duplicate]

Why is it that black boxes don't float? From what I gather the answer is: So they will not float away from a water crash site. The ping can be heard underwater with sonar. Finding the ping, finds ...
2
votes
1answer
971 views

Black boxes: great for crashes on land. How about additional "floaties" for water crashes (low-tech, light, cheap) [closed]

Without getting into the mess of redesigning existing Flight Data Recorders, I have a simple proposal that I think would help in deep water crashes. I propose that several floating cushion sets be ...
15
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4answers
9k views

How close do you have to be to an underwater black box to detect it?

The news keeps talking about the black boxes on aircraft that end up in water, and one thing that keeps coming up is the underwater locator beacon that transmits a signal for 30 days if it gets wet. ...
9
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2answers
931 views

How is data transmitted to CVR and FDR?

A recent news item mentioned that "black boxes" are typically stored in the tail section of an aircraft to maximize their odds of surviving a catastrophic incident. If they're stored in the rear of ...
3
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2answers
298 views

Is it possible for the sensors which determine when an aircraft has landed in water to become damaged?

A plane has sensors that should transmit data back somewhere when it hits water correct? Is it possible that these can be turned off/damaged?
5
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2answers
955 views

What happens to the transponder, FDR and CVR in case of an explosion?

Will the above mentioned equipment still work and transmit data/location information if an explosion occurs inside the aircraft?
23
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1answer
6k views

Do aircraft manufacturers produce their own black boxes?

Do the manufacturers who build airplanes use their own "black boxes" in the planes, or are there companies whose sole purpose is to develop black boxes? For example, in 2010 in the Airblue Flight 202 ...
1
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1answer
2k views

What does flight categories "C", "G", "T" etc. mean? [closed]

In a flight database that I'm working with on a project, there is a column of data called "flightCategory" with values "C", "G", "T", etc. Any idea what those actually mean? From what I understand, ...

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