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Questions tagged [aircraft-maintenance]

Use this tag for questions pertaining to the maintenance of aircraft, including owner-performed maintenance and required inspections (annual, 100-hour, etc.)

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What do the terms “Landing Since New”, FC, and FH mean on a Landing Gear RDAS?

Could anyone able to tell me the "Landing Since New" Meant? and what is the FC and FH in here? Thanks
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What is this molten metal coming from the engine of an Avro RJ 100? [closed]

Yesterday I flew in an Swiss Avro RJ100. As soon as we landed I was shocked to see some sort of molten metal which was incandescent and glowing red dripping down from the vent as indicated in the ...
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0answers
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Price of a light weight aircraft that can be owned [duplicate]

I am just an aviation enthusiast and wanted to be a pilot someday.. I just wanted to be able to buy one light aircraft someday.. Can you tell me what would be the price of a light weight aircraft ...
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1answer
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Why are there speed restrictions applied after deicing an aircraft?

The information about the 737 here mentions an interesting limitation: 737-6/900 without stiffened elevator tabs: After any ground deicing/anti-icing of the horizontal stabilizer using Type II ...
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1answer
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Is there a niche market for A&P mechanics with an aerospace engineering degree?

I've noticed a few people posting on this site who I would guess are aerospace engineers. I am an A&P Mechanic, who is currently in the process of applying to college for an aerospace engineering ...
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Is it an overkill to request to see airplane maintenance logs at a new flight school?

I'm getting a checkout at a new flight school, so I don't know anything about the maintenance records of their airplanes other than this school has been in operation for some time and so I assume ...
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2answers
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Why is dual crossfeeding prohibited on DA42?

Diamond 42 AFM says: The fuel crossfeed function can be tested simultaneously with both engines. Proper function can be tested by running the engines for approx. 30 seconds with CROSSFEED ...
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1answer
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What is the difference between Hobbs Time and Tach Time?

Over in this answer there's a description of Hobbs Time versus Tach Time, and how the Hobbs counts hours while the tach time is equivalent to "hours at cruise RPM". How do these two "clocks" work, ...
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3answers
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Is a single-engine ferry flight allowed with a twin-engine plane?

If a twin-engine aircraft has an engine problem and could fly somewhere for maintenance, is a single-engine ferry flight ever allowed? If so, do airlines or pilots ever decide to do this?
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4answers
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How do you repair a grounded aircraft at a remote location?

If a large passenger airliner needs repair at a remote airport without services, are there "flying repairshops" that can swoop in and do the work on site?
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4answers
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Has a commercial passenger airliner ever had its cockpit fully upgraded?

In an earlier question What are the barriers to feasibility of stratospheric cruising for commercial air travel? (i.e. Concorde?) it was suggested that Concorde was not properly maintained as its ...
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What is a 'Wing Loop Fault' on an A320 series Aircraft?

I was recently involved in a flight that had issues before take off. The plane was an Airbus 321. It was explained to me as being a "wing loop fault". The problem was that the ECAM messages were ...
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Can you legally obtain Boeing maintenance documents?

With the correct keywords on Google, it is possible to find Boeing MPDs (Maintenance Planning Documents), as well as Task Cards, and other technical documents. I'm wondering, could a software vendor ...
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6answers
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Why are older airplanes still in use?

It is normal to see older planes (20+ years) quite frequently. In fact, a few months ago I saw a plane over 50 years old (not in a museum but on a runway, about to take off). Comparing to cars, there ...
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1answer
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Are there differences in tool standards between aircraft manufacturers?

As a follow up to "What is the measurement system used in the aviation industry?" which specified about measurement units during operations, another question that comes to my mind is: are there ...
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3answers
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What happens when the logbook of an aircraft is lost?

If the logbook for an aircraft is lost, how does one replace it? Is the airplane still airworthy?
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1answer
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What kind of malfunction is an “artificial horizon”?

I was once (like ten years ago) on a transpacific flight with Northwest from KIX/RJBB to KDTW on a Boeing 747 and our flight as delayed at the gate for about an hour because of some issue with a "...
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3answers
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What happens when a turbo-prop is over-torqued?

What does one need to do when a turboprop engine gets over-torqued? I haven't over-torqued an engine before, but it seems it could happen inadvertently, say while doing a go-around. My questions ...
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2answers
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May pilots perform FMS database updates under Part 135?

Are pilots allowed to perform FMS database updates under part 135? If so, do they need formal training entered in their pilot records before they are allowed to do it?
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Why/How does a “Powerflow” exhaust increase horsepower?

I've seen airplanes (typically Cessna 172s) with a "Powerflow" exhaust system and then claim to get several more horsepower, resulting in faster cruise speeds. How does a Powerflow exhaust work, and ...
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1answer
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Is there an FAA ruling about the airworthiness of piston engines with less than 60 on the compression test?

We've been having some discussions around if there was a specific ruling from the FAA that explicitly said that if a cylinder was showing less than 60 on the compression test, the FAA deemed it ...
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3answers
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Can resistive fuel senders/transducers be repaired/reconditioned?

I need to replace two fuel senders in each wing of a Socata TB20, and a replacement is almost $500. I wanted to know whether a shop exists in the US that reconditions these? After some research, I'm ...
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9answers
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Why are dirt and bugs on an aircraft so bad?

It's noted in many POHs to keep your aircraft clean all the time, but is there a reason to this? Dirt hardly add any sort of weight to the aircraft, bugs are extremely small and other things such as ...
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2answers
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How often should an engine be run, to stay mechanically sound?

It's winter time and many light aircraft are sitting idle. This can be detrimental to an engine's health. What is a good rule of thumb for how often a piston engine should be exercised, and for how ...
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1answer
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What should I look for / check during an oil change?

Piston aircraft engines require regular oil changes, and at least in the US it's something the FARs allow an owner with a private pilot certificate to do. What are some of the things I should look ...
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1answer
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What is an Airworthiness Directive?

Aircraft which have been in service for a long time often have a lot of entries in their logbooks for Airworthiness Directives (ADs). What are they, and why are they important?
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What are the typical facets of ownership costs, for a single engine aircraft?

It's easy to go online and look at prices of a Cessna 172, but what are some examples of how to break down the real world costs of ownership? How much other maintenance should you plan for? How much ...
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3answers
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Are task cards still used in aircraft maintenance?

I used to work for a company making maintenance software for the shipping industry. Each component, from a cylinder in an engine to the furnace has to be inspected after (e.g.) 10,000 running hours, ...
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2answers
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Who decides an aircraft's maintenance schedule?

I've found a 737 maintenance planning data document produced by Boeing, which gives a suggested schedule on page 6. I've also found a British Airways Fact Book document, which on the last page gives ...