Skip to main content
user13197's user avatar
user13197's user avatar
user13197's user avatar
user13197
  • Member for 8 years, 4 months
  • Last seen more than a month ago
  • The Hague, Netherlands
48 votes
2 answers
10k views

Why does one of the Boeing 777's spoilers deploy differently from the rest?

47 votes
1 answer
17k views

What is this hatch above the cockpit of a 747?

35 votes
8 answers
19k views

What happens if you exceed the maximum speed on a C172?

33 votes
4 answers
10k views

What is this line found above the door on many aircraft?

29 votes
3 answers
7k views

Why does the DC-10's horizontal stabilizer have such a pronounced dihedral?

25 votes
1 answer
6k views

What is the purpose of fins on the empennage on some helicopters?

25 votes
4 answers
16k views

What is the purpose of eyebrow windows?

25 votes
3 answers
50k views

What is a TRACON?

24 votes
4 answers
10k views

How is metal fatigue detected in an aircraft?

23 votes
2 answers
4k views

How do passengers board the planes on this airport?

21 votes
6 answers
14k views

When is an aircraft required to be pressurized?

21 votes
2 answers
11k views

What are these lines on the nose of a Boeing 737?

20 votes
1 answer
4k views

What is this string on the 737?

20 votes
6 answers
15k views

Why is air mixed with bypass air on the A/C of an aircraft?

20 votes
5 answers
15k views

What are the advantages of a Trimmable Horizontal Stabilizer?

19 votes
2 answers
5k views

Why is the front part of the engine not painted?

19 votes
3 answers
21k views

Why are high-wing aircraft more stable?

18 votes
2 answers
7k views

What's this hole on the ATR-72?

18 votes
3 answers
9k views

Why was the A380 built with a gull-wing design?

16 votes
1 answer
2k views

What are these markings on the runway at Haneda Airport?

15 votes
1 answer
2k views

What is this object on an MD-11?

15 votes
4 answers
10k views

What are these grilles in the passenger cabin of this 787?

15 votes
2 answers
2k views

Why are the 747-8 engines placed differently than on the older versions?

15 votes
2 answers
12k views

What is this tube connected to a 757 for?

15 votes
2 answers
2k views

Why are these windows on some airplanes red?

15 votes
1 answer
6k views

Who manages International Airspace Traffic?

15 votes
1 answer
7k views

When do commercial flights turn off the APU?

15 votes
4 answers
10k views

Can a helicopter stall?

14 votes
3 answers
3k views

Why does the Falcon 900 have anhedral wings?

14 votes
2 answers
2k views

Why doesn't ice form on the fuselage?