Questions tagged [airworthiness]

Questions about the regulatory or physical status of an aircraft being capable of safe flight

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5
votes
1answer
163 views

Is Cessna 150 with incorrectly marked ASI airworthy?

I've looked a bit at the CFRs trying to determine this for sure, but haven't found a clear answer.. One of the Cessna 150s that I rent from the local FBO had it's airspeed indicator swapped out four ...
0
votes
1answer
73 views

Regulatory Documents To Carry Medical Kits and Defibrillators On-Board

Are there any regulatory release documents applicable to Medical Kits and Defibrillators? Question is for Commercial Airlines. For example for: Components, you are required to have an EASA Form 1 or ...
2
votes
4answers
276 views

What is the life limit due to metal fatigue in large bombers?

This article explains how the B-52's will be kept flying for 100 years. Replacing the engines, electronics, etc. is one thing, but when would metal fatigue become a problem? These planes are huge and,...
10
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1answer
319 views

Were airworthiness certificates revoked for B737 Max?

Following up from this question - or more specifically Brian Drummond's comment on the accepted answer: Or even revoked without modification, if something new is discovered about the existing ...
6
votes
3answers
199 views

Is a Cessna 172S still airworthy if factory-installed instrumentation not required for day VFR flight is inoperative?

A C172S I occasionally rent had the EGT gauge placarded INOP when it had a JPI EDM-700 engine monitor installed. The placard sits on the gauge so you can no longer see the needle. Probably the single ...
1
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2answers
86 views

Can a closed Airworthines directive get reopened by a new revision?

There is an Airworthiness Directive that has been closed by accomplishing its terminating action. But there's a new revision that changes the terminating action. Do I have to comply with the new ...
2
votes
1answer
247 views

Validity of Volga-Dnepr An-124 Grounding in US

Around June 10th, a Ukranian court issued an order grounding 5 of Volga-Dnepr's An-124 cargo planes, citing maintenance checks conducted without OEM (i.e., Antonov) authorization. According to ...
0
votes
0answers
45 views

Canceled regulations for an STC CCL

easy question: When creating a list of regulations (and the documents that show compliance with those regulations) that apply to our STC, if one of them has been canceled, would we continue to use ...
26
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4answers
6k views

Why would a flight no longer considered airworthy be redirected like this?

I ran across this tweet covering the saga of Smartwings 1201, a 737 MAX 8 that was apparently redirected from Prague to Ankara after the MAX was grounded by the EU. (flightaware.com) It seems like ...
2
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2answers
209 views

What might happen if I receive flight instruction in a plane with an airworthiness deficiency?

Let's say I were to a day VFR flight with a new instructor, in hopes of eventually pursuing Sport Pilot - Airplane privileges (U.S.A.) During the flight, I notice the plane has a minor airworthiness ...
1
vote
1answer
107 views

How do changes in certification requirements affect previous type certificates?

How does the 2016 part 23 airworthiness requirements rewrite affect older type certificates? If some aspect of an aircraft does not meet the new requirement do all of those aircraft have to be ...
3
votes
1answer
424 views

Aircraft lightning: What are the requirements for airworthiness?

Can you enlighten me about the airworthiness requirements in the field of lightning, for commercial aviation: Which voltage or intensity is the aircraft required to sustain? How is it demonstrated in ...
7
votes
1answer
248 views

Is AD compliance ever physically verified when maintaining an aircraft?

As we all know around here, national aviation authorities put out Airworthiness Directives mandating certain changes be made to aircraft during their service life so that the aircraft can stay ...
9
votes
7answers
22k views

Why are there so few Lancasters still flying?

According to Wikipedia there are 54 airworthy spitfires in the world (30 in the UK alone), yet there are only 2 airworthy Lancasters (Lancaster B X in Canada & Lancaster B I in the RAF's Battle of ...
3
votes
1answer
606 views

Who can carry out airworthiness inspections?

My understanding is that aircraft regularly have inspections for defects just like cars in the U.K. have an annual MOT test to check their condition and safety. My question is, who can do these ...
6
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2answers
3k views

How does one determine if an airplane meets airworthiness directives?

There seems to be no way to determine if airworthiness directives for your airplane have been complied with. Does anyone know? I found this FAA website but you can type in a type of aircraft and ...
7
votes
1answer
3k views

When is a 100-hour inspection required if alternating commercial and private use?

First, a setup rehashing common knowledge: A plane owner, who's also a CFI, gets an annual done on his Cherokee and teaches out of it for 100 hours in three months. He flies it to a repair shop 3 ...
10
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2answers
1k views

How can one determine if a Service Bulletin is still applicable?

I've seen the occasional Service Bulletin that is marked Obsolete, and others that Supersede SB-123. If I'm a pilot or A&P looking through logbooks, what resources are available to determine if a ...
11
votes
3answers
1k views

Can the MH-60 helicopter fly without one or all of the stabilators?

The MH-60R helicopter has a horizontal Stabilator that consists of three subassemblies, RH Stabilator, LH Stabilator, and Center Stabilator. Can the aircraft fly without the RH Stabilator? Can the ...
7
votes
1answer
2k views

Does a 100 Hour Inspection Start Over Every Annual?

If an airplane receives a 100 hour at 350 hours and has an annual at 400 hours, does the next 100 hour inspection need to take place at 450 hours or 500 hours?
19
votes
2answers
3k views

Why do Turkey and UAE limit the age of aircraft flying over their territory?

Why do the civil aviation authorities of Turkey (15 years civil, 25 years cargo) and United Arab Emirates (20 years) limit the age of aircraft flying over their territory? I think if an old plane ...
11
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2answers
1k views

What liability does an aviation inspector have for errors & omissions?

In reading online, I've come across the term "pencil-whipping". The actual term is new to me but I'm familiar with the practice; it's when someone fills out the paperwork that attests something is ...
4
votes
1answer
462 views

What kind of certifications are required for a plane manufactured for personal use?

If I make an airplane (lets say for research/recreational purposes), what kind of certifications would be required to fly it? Moreover, would I need special permissions to actually fly the airplane? ...
8
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3answers
2k views

What were the disadvantages of early prop driven blended-wing aircraft?

I've been researching the history of pre-jet aircraft and I've come across several famous, and not so famous, blended-wing aircraft. The idea seemed to show promise but never really caught on, even ...
15
votes
6answers
6k views

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 ...
14
votes
2answers
10k views

How do I obtain permission to fly an airplane that isn't airworthy?

How do I get permission to fly an airplane with a non-safety-related airworthiness issue, like being out of annual or having an inoperative radio in order to take it somewhere that it can be fixed?