All Questions

1
vote
0answers
28 views

What is the procedure for doing a symmetry check on a Cessna 172? [on hold]

I'm trying to find the steps to do a symmetry check of a Cessna 172. Or a form, or the section of the maintenance manual.
2
votes
1answer
51 views

What are the checklist items for a runaway stab trim on a B737 MAX 8 and MAX 9?

This is a follow up question to this question. This question is not directly related to the MCAS system in the new B737 MAX aircraft, instead, my question is about the checklist for a runaway stab ...
1
vote
1answer
96 views

Is it possible to buy a retired Boeing 747 aircraft?

American airline companies landed their last passenger 747 jet into retirement last year citing higher costs of flying this aircraft in comparison to modern widebody twin-engine aircraft designed for ...
-7
votes
3answers
52 views

What happens to unstrapped passengers if the airliner were to fly inverted [on hold]

If for some reason or the other, because of an emergency, or perhaps craving jail time or did not want her job, or perhaps a girls will be girls moment, a pilot and her captain decided to fly a large ...
1
vote
1answer
29 views

Airwothiness directives [on hold]

Does the owner of the aircraft have to do all the ad-applications to the aircraft? For example, even before the birth of the aircraft
12
votes
2answers
760 views

What features enable the Su-25 Frogfoot to operate with such a wide variety of fuels?

It is widely attested* that the Su-25 Frogfoot's engines (the Turmansky R-95Sh and later the R-195) were designed to function using a wide variety of fuels, including diesel, gasoline, petrol, ...
2
votes
1answer
68 views

Why are hexa airfoils used on rockets despite having more drag that diamond airfoils? [on hold]

I was doing a study on airfoils shape for a rocket. I tested the diamond and the hexagonal airfoil with Missile DatCom, RasAero and the Shock Expansion theory and from my results it seems like the ...
0
votes
0answers
27 views

What kind of testing do new aircrafts go through in terms of avionics and software upgrades? [duplicate]

I am a UX designer, so my bread and butter is dealing with issues around software user research, information architecture and interaction design. I am very interested in avionics design but ...
1
vote
1answer
61 views

When extreme yoke movement cuts out stab trim on a 737-NG, does it stay off after yoke returns from limits?

I've read that the 737-NG has logic built into the stab trim system that will cause stab trim to cut out if the control column (yoke) is pulled/pushed far/hard enough (it's not clear to me if it's ...
4
votes
1answer
218 views

Is there a way for pilots to report difficulties and challenges experienced during a flight, to the next flight crew?

My question is reflected in the title - is there an official, international system for commercial pilots to report difficulties and challenges faced during a flight to the next and future crew? ...
0
votes
0answers
22 views

Does the FAA have any special requirements for oxidizer tanks on rocket-powered aircraft?

There are quite a number of strict FAA requirements for aircraft fuel tanks (must withstand such-and-such many Gs from such-and-such directions, must be inerted, must be puncture-resistant, et cetera, ...
0
votes
1answer
120 views

Is the in flight emergency manual of a Boeing 737 Max 8 available to read online? [on hold]

I frequently read about pilots going through manuals/checklists/procedures in an emergency situation in an airliner while in flight. Is there an online resource where the public can actually read it, ...
2
votes
1answer
59 views

Why would a C150 tachometer be sluggish?

After having an issue with a tachometer bouncing so much that it fell off, I now have the opposite problem with the replacement (Mitchell D1-112-5025): The tachometer is sluggish. When I open the ...
2
votes
0answers
94 views

How does the 737 MAX MCAS differ from stab trim in other 737 variants? [on hold]

I have the following questions: MCAS will not cut out from excessive control column movement as non-MAX 737 aircraft stab trim does. Is that correct, and is this cutout permanent or does it re-...
-1
votes
1answer
80 views

If the Meteor BVRAAM is the best AAM, and the APG-81 is the best radar for detecting aircraft, then why don't all fighter aircraft simply use these? [on hold]

Why are some missiles incompatible with some aircraft? If fighter A has better radar and missiles than fighter B, then why isn't it possible to simply integrate the better radar and missiles into ...
-1
votes
0answers
51 views

Are there commercial airplanes on which I can access the Internet from my mobile phone? [migrated]

I'm wondering if there are airlines that provide Internet access to passengers when flying longer (> 2 hours). And if it's technically possible at all.
1
vote
2answers
144 views

Will the Boeing 737 MAX 8's software update require recertification of the aircraft?

Will the upcoming software update for the 737 MAX require the plane to go through a new certification like a new plane?
1
vote
0answers
36 views

How do composite aero structures compare against metallic structures in crash resistance?

is there any information available comparing the difference in crash resistance between composite mainly carbon or fiberglass polymers etc vs conventional metallic mainly aluminum aircraft structures.
0
votes
1answer
62 views

Where exactly are the heating elements in the PA-28-180's pitot mast?

I am flying a PA-28-180 but have been unable to find where inside the pitot mast the heating elements would be. I would like to know this to verify my assumption it does not work in the airplane I am ...
3
votes
1answer
123 views

Is it safe to mix different types of fuels in a jet engine?

Hypothetically, if: one got stuck somewhere at a remote airport the jet aircraft or airliner they are flying had a 1/3 tank full of the proper jet A1 fuel there was a tanker at the airport with 1/3 ...
2
votes
3answers
99 views

How are V speeds spoken?

How are V speeds spoken? --Research for my novel. Is it the V and the number or letter notation or is there something more to it? The Wikipedia Page on V Speeds does not delve into the subject ...
0
votes
0answers
41 views

Question about career [on hold]

Good Day, I am support engineer and have had dream of becoming pilot but does not have much knowledge other that hearing that "you should not change your career!" Any help will be appreciated. ...
-9
votes
2answers
126 views

Is aviation slowly dying as of 2019 [on hold]

This debate first started a decade ago but I want to modernize it. The reasons people wanted to be pilots. (I cant find a single reason why someone would want to become an ATC) They watched Top Gun ...
0
votes
1answer
74 views

Where can I find official definition of VFR and IFR? [duplicate]

I know that ICAO Annex 2 'Rules of the air' states rules such as general rules, visual flight rules, instrument flight rules, etc. And aircraft should fly in accordance with either visual flight rules ...
-1
votes
0answers
49 views

Class 1 medical with amblyopia [on hold]

Is there anyone who has amblyopia and looking for class 1 medical cerificate , If yes . He has a solution for his problem and can help me for that?
-1
votes
0answers
215 views

Operating system running MCAS software in Boeing 737 Max 8? [on hold]

A lot is currently reported about the possibly flawed MCAS control software of the Boeing 737 Max 8. What operating system is this software running on? Is it a common OS or some in-house system by ...
22
votes
1answer
3k views

When and why was runway 07/25 at Kai Tak removed?

Wikipedia states that Kai Tak Airport in Hong Kong originally had two runways, both built under Japanese occupation during World War II: ... In 1942, the Japanese army expanded Kai Tak, using many ...
0
votes
2answers
115 views

How long are the nacelle strakes on a GE-90?

For my school project, I'm doing something where I create a nacelle strake on a model plane and I want to make it to scale. Could you please let me know the dimensions of a nacelle strake? I would ...
0
votes
1answer
84 views

do commercial flights need to carry epipens? [on hold]

My friend has a severe nut allergy and brings multiple epipens aboard flights. This is apparently the safest thing to ensure the proper treatment of a potential alleric reaction, especially in the ...
-1
votes
0answers
28 views

How do you find the required angle of attack in degrees for cruise given area, mass, lift coefficient, etc.?

Given area of wings (127.8 m^2), mass, lift coefficient, altitude, cruise speed, and lift curve slope, how if the required angle of attack found to maintain steady level flight? Additionally, how can ...
2
votes
3answers
222 views

Is it possible to see the same sunset twice from an aircraft? [on hold]

If I initiate a climb just after watching the sun go down below the horizon, how fast would I have to climb in order to watch the sun come back up, so that I could then level off and watch the sunset ...
1
vote
0answers
43 views

Where can a UK citizen find a job with FAA CPL multi? [on hold]

So I’m from the United Kingdom, but I opted to do all my flight training within the US as I found it convenient there, now that I’ve finished all my training I’m totally confused on what I should do ...
0
votes
2answers
189 views

Why is this 737 MAX 8 still flying? [duplicate]

I just saw a plane overhead that was flying unusual low and it turns out it was a 737 MAX 8 that left from the Boeing factory in Renton. https://fr24.com/BOE867/1fdcadbf Are planes that are not yet ...
0
votes
1answer
56 views

What are the major causes of flameout, excluding ingestion of foreign objects?

What are the most frequent causes of flameout, excluding ingestion of foreign objects and other sudden forms of damage to the engine? I'm limiting this to modern turbojet and turbofan engines with a ...
4
votes
1answer
178 views

Do I need FAA permission to install tundra tires on a Piper PA-28 Cherokee 140?

I do a lot of back county flying and a lot of times the landing area is not in the best possible shape. I would like to install 29" tundra tires on it. Due to the change in wheel and tire size do I ...
11
votes
2answers
280 views

How late can a landing clearance be given?

I regularly fly VFR in an (EASA-) airport where the tower is sometimes rather busy and the frequency full which led a few times to me receiving landing clearances as late as 10-20ft AGL above the ...
1
vote
1answer
49 views

An Aircraft Maintenance Engineer wants to become an aerospace engineer [on hold]

I have a bachelors degree in AME but I want to continue Master's in Aerospace and I'm wondering if it's possible.
5
votes
2answers
125 views

How is smoke detected in the cabin when flying without passengers?

The Boeing website states that smoke detection devices are not present in the passenger cabin as the passengers/cabin crew are able to detect the smoke: A dedicated smoke detection system is not ...
-5
votes
0answers
42 views

Aircraft separation distance [on hold]

What are the factors that affect the longitudinal, lateral and vertical distance between aircraft? Please include decreasing or increasing effects
0
votes
0answers
74 views

Dust and biofilm accumulation in pitot tubes [on hold]

Are extreme dust storms such as those described in past news stories in Cairo and Khartoum already addressed in pitot cleaning procedures for scheduled and unscheduled maintenance? For example: ...
1
vote
2answers
204 views

Why are fuel pump switches separate?

Since engines are run only when the fuel pumps are on and vice versa , why are there separate switches for this? Why can't it be automated ?
3
votes
4answers
154 views

Why is “proverse” yaw better than no yaw?

Why is the tendency to yaw in the direction of the roll more desirable (since it's the "proverse" yaw) than the lack of yaw in response to roll? Is it even possible to have no yawing tendency at all ...
2
votes
0answers
86 views

Can 7 AKE containers adjacent to each other be securely locked in a 777-300ER's aft cargo bin?

Is it possible to securely lock 7 AKE (LD3) containers adjacent to each other in a Boeing 777-300ER's aft cargo bin from position 31 to 41 (41 included)? According to my experience it's impossible to ...
0
votes
2answers
121 views

At what position or distance from an airport are you considered to be in the “traffic pattern”

image source In the United States, as an aircraft is approaching or departing a non-towered airport, at what position or distance from the airport are you considered to be in or out of the "traffic ...
-1
votes
1answer
284 views

737 Max Stall Disambiguation

I'm reading the article about the recent accident involving the 737 Max. https://www.seattletimes.com/business/boeing-aerospace/failed-certification-faa-missed-safety-issues-in-the-737-max-system-...
0
votes
0answers
44 views

What is the 737 series number of Boeing 737 MAX [on hold]

According to wikipedia, The Boeing 737 Next Generation, commonly abbreviated as 737NG,[4] or 737 Next Gen, is the name given to the −600/-700/-800/-900 series of the Boeing 737 airliner. And ...
3
votes
1answer
237 views

In Ethiopia, what are the minimum hours to be a pilot in a passenger jet?

With regards to the flight crew on board the Ethiopian flight, I have read many times that the young F/O with only 200 hrs wouldn't have been allowed to transport passengers if he were a pilot in the ...
-1
votes
0answers
93 views

737 MAX Angle of Attack Sensor Technology [duplicate]

Does anybody know what technology is used in the angle of attack sensor in the 737 MAX? I was wondering if it is a VDT or potentiometer or other technology. The possible answer only addresses the ...
0
votes
0answers
22 views

Looking for an online course on flight dynamics-modeling [on hold]

I am an engineer and last days I have been studying "Aircraft Controol and Simulation" book by Stevens Lewis and Johnson but I am also looking for free online course videos for helping me with ...
0
votes
1answer
81 views

Any unique characteristics to identify aircraft engine? [on hold]

I love to find out the engine manufacturer and make, used in all of the aircraft I fly. Can anyone provide hints on how to identify an engine uniquely? The CFM56 on a Boeing 737NG is easy. It has a ...

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