How much maintenance time did it take to make an F4U Corsair ready for another flight?Did Clement Ader make the first flight even before the Wright brothers?Why did the B-29 have so much leftward torque at take-off?How does maintenance differ for military fighters/bombers vs. commercial airliners?What is the record length of time for single-occupant flight?How much did Avgas cost in 1940?How should the number of maintenance hours per flight hour for the C-17 be interpreted?How is the amount of time for an A check or daily maintenance determined?How much time does it take to calculate the leveling and weighing of big and small aircraft?Why did it take so long for helicopters to be developed/in use?
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How much maintenance time did it take to make an F4U Corsair ready for another flight?
Did Clement Ader make the first flight even before the Wright brothers?Why did the B-29 have so much leftward torque at take-off?How does maintenance differ for military fighters/bombers vs. commercial airliners?What is the record length of time for single-occupant flight?How much did Avgas cost in 1940?How should the number of maintenance hours per flight hour for the C-17 be interpreted?How is the amount of time for an A check or daily maintenance determined?How much time does it take to calculate the leveling and weighing of big and small aircraft?Why did it take so long for helicopters to be developed/in use?
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$begingroup$
A coworker I worked alongside once told me that during his time in the Navy, he was responsible for taking care of maintenance on F-22s. He stated that every F-22 required 10 hours of maintenance for every hour of flight.
I am curious how this level of maintenance stacked up against older less-modern aircraft. For the sake of narrowing it down, let's take the F4U Corsair as an example. Assuming a routine flight (training or simply air-patrol), what was the amount of time that would be required to maintain the aircraft on the ground to keep it safe for its next flight? 1 hour? 2 Hours?
aircraft-maintenance aviation-history vought-f4u-corsair
edited Aug 13 at 10:45
ymb1
86.1k10 gold badges272 silver badges450 bronze badges
asked Aug 12 at 13:17
KnightKnight
2436 bronze badges
$endgroup$
|
show 1 more comment
$begingroup$
A coworker I worked alongside once told me that during his time in the Navy, he was responsible for taking care of maintenance on F-22s. He stated that every F-22 required 10 hours of maintenance for every hour of flight.
I am curious how this level of maintenance stacked up against older less-modern aircraft. For the sake of narrowing it down, let's take the F4U Corsair as an example. Assuming a routine flight (training or simply air-patrol), what was the amount of time that would be required to maintain the aircraft on the ground to keep it safe for its next flight? 1 hour? 2 Hours?
aircraft-maintenance aviation-history vought-f4u-corsair
edited Aug 13 at 10:45
ymb1
86.1k10 gold badges272 silver badges450 bronze badges
asked Aug 12 at 13:17
KnightKnight
2436 bronze badges
$endgroup$
5
$begingroup$
Although that number may be correct, it is highly unlikely that your friend worked on F-22s if he was in the Navy. Raptors are an Air Force plane.
$endgroup$
– Michael Hall
Aug 12 at 16:23
2
$begingroup$
Figures like this are a bit of an awkward 'time accounting' issue, and answers would ideally take care to include what hours they're including. [ie, 'total support hours' can include the cook's time for meals for all the crew involved, but is not 'maintenance time', while the time spent by crew changing out and loading ammo belts gets into a bit more of a fuzzy zone.]
$endgroup$
– TheLuckless
Aug 12 at 16:36
$begingroup$
@MichaelHall maybe the friend said Air Force and the OP just mixed them up. Or, maybe OP couldn't remember the specific airplane so just said the one they could think of.
$endgroup$
– SnakeDoc
Aug 12 at 22:09
1
$begingroup$
The model does matter a lot, though. Relative time spent on maintenance does vary quite a bit, even among modern planes.
$endgroup$
– MSalters
Aug 13 at 8:21
1
$begingroup$
"10 hours of maintenance for every hour of flight." does not mean it takes ten hours to get the plane ready for the next flight, or even that it takes ten people an hour to get it ready for the next flight. It might take much less than that to turnround for the next flight, but requires hundreds of hours maintenence every ten or twenty flights.
$endgroup$
– DJClayworth
Aug 13 at 19:25
|
show 1 more comment
$begingroup$
A coworker I worked alongside once told me that during his time in the Navy, he was responsible for taking care of maintenance on F-22s. He stated that every F-22 required 10 hours of maintenance for every hour of flight.
I am curious how this level of maintenance stacked up against older less-modern aircraft. For the sake of narrowing it down, let's take the F4U Corsair as an example. Assuming a routine flight (training or simply air-patrol), what was the amount of time that would be required to maintain the aircraft on the ground to keep it safe for its next flight? 1 hour? 2 Hours?
aircraft-maintenance aviation-history vought-f4u-corsair
edited Aug 13 at 10:45
ymb1
86.1k10 gold badges272 silver badges450 bronze badges
asked Aug 12 at 13:17
KnightKnight
2436 bronze badges
$endgroup$
A coworker I worked alongside once told me that during his time in the Navy, he was responsible for taking care of maintenance on F-22s. He stated that every F-22 required 10 hours of maintenance for every hour of flight.
I am curious how this level of maintenance stacked up against older less-modern aircraft. For the sake of narrowing it down, let's take the F4U Corsair as an example. Assuming a routine flight (training or simply air-patrol), what was the amount of time that would be required to maintain the aircraft on the ground to keep it safe for its next flight? 1 hour? 2 Hours?
aircraft-maintenance aviation-history vought-f4u-corsair
aircraft-maintenance aviation-history vought-f4u-corsair
edited Aug 13 at 10:45
ymb1
86.1k10 gold badges272 silver badges450 bronze badges
asked Aug 12 at 13:17
KnightKnight
2436 bronze badges
edited Aug 13 at 10:45
ymb1
86.1k10 gold badges272 silver badges450 bronze badges
asked Aug 12 at 13:17
KnightKnight
2436 bronze badges
edited Aug 13 at 10:45
ymb1
86.1k10 gold badges272 silver badges450 bronze badges
edited Aug 13 at 10:45
ymb1
86.1k10 gold badges272 silver badges450 bronze badges
edited Aug 13 at 10:45
ymb1
86.1k10 gold badges272 silver badges450 bronze badges
86.1k10 gold badges272 silver badges450 bronze badges
asked Aug 12 at 13:17
KnightKnight
2436 bronze badges
asked Aug 12 at 13:17
KnightKnight
2436 bronze badges
asked Aug 12 at 13:17
KnightKnight
2436 bronze badges
2436 bronze badges
5
$begingroup$
Although that number may be correct, it is highly unlikely that your friend worked on F-22s if he was in the Navy. Raptors are an Air Force plane.
$endgroup$
– Michael Hall
Aug 12 at 16:23
2
$begingroup$
Figures like this are a bit of an awkward 'time accounting' issue, and answers would ideally take care to include what hours they're including. [ie, 'total support hours' can include the cook's time for meals for all the crew involved, but is not 'maintenance time', while the time spent by crew changing out and loading ammo belts gets into a bit more of a fuzzy zone.]
$endgroup$
– TheLuckless
Aug 12 at 16:36
$begingroup$
@MichaelHall maybe the friend said Air Force and the OP just mixed them up. Or, maybe OP couldn't remember the specific airplane so just said the one they could think of.
$endgroup$
– SnakeDoc
Aug 12 at 22:09
1
$begingroup$
The model does matter a lot, though. Relative time spent on maintenance does vary quite a bit, even among modern planes.
$endgroup$
– MSalters
Aug 13 at 8:21
1
$begingroup$
"10 hours of maintenance for every hour of flight." does not mean it takes ten hours to get the plane ready for the next flight, or even that it takes ten people an hour to get it ready for the next flight. It might take much less than that to turnround for the next flight, but requires hundreds of hours maintenence every ten or twenty flights.
$endgroup$
– DJClayworth
Aug 13 at 19:25
|
show 1 more comment
5
$begingroup$
Although that number may be correct, it is highly unlikely that your friend worked on F-22s if he was in the Navy. Raptors are an Air Force plane.
$endgroup$
– Michael Hall
Aug 12 at 16:23
2
$begingroup$
Figures like this are a bit of an awkward 'time accounting' issue, and answers would ideally take care to include what hours they're including. [ie, 'total support hours' can include the cook's time for meals for all the crew involved, but is not 'maintenance time', while the time spent by crew changing out and loading ammo belts gets into a bit more of a fuzzy zone.]
$endgroup$
– TheLuckless
Aug 12 at 16:36
$begingroup$
@MichaelHall maybe the friend said Air Force and the OP just mixed them up. Or, maybe OP couldn't remember the specific airplane so just said the one they could think of.
$endgroup$
– SnakeDoc
Aug 12 at 22:09
1
$begingroup$
The model does matter a lot, though. Relative time spent on maintenance does vary quite a bit, even among modern planes.
$endgroup$
– MSalters
Aug 13 at 8:21
1
$begingroup$
"10 hours of maintenance for every hour of flight." does not mean it takes ten hours to get the plane ready for the next flight, or even that it takes ten people an hour to get it ready for the next flight. It might take much less than that to turnround for the next flight, but requires hundreds of hours maintenence every ten or twenty flights.
$endgroup$
– DJClayworth
Aug 13 at 19:25
5
5
$begingroup$
Although that number may be correct, it is highly unlikely that your friend worked on F-22s if he was in the Navy. Raptors are an Air Force plane.
$endgroup$
– Michael Hall
Aug 12 at 16:23
$begingroup$
Although that number may be correct, it is highly unlikely that your friend worked on F-22s if he was in the Navy. Raptors are an Air Force plane.
$endgroup$
– Michael Hall
Aug 12 at 16:23
2
2
$begingroup$
Figures like this are a bit of an awkward 'time accounting' issue, and answers would ideally take care to include what hours they're including. [ie, 'total support hours' can include the cook's time for meals for all the crew involved, but is not 'maintenance time', while the time spent by crew changing out and loading ammo belts gets into a bit more of a fuzzy zone.]
$endgroup$
– TheLuckless
Aug 12 at 16:36
$begingroup$
Figures like this are a bit of an awkward 'time accounting' issue, and answers would ideally take care to include what hours they're including. [ie, 'total support hours' can include the cook's time for meals for all the crew involved, but is not 'maintenance time', while the time spent by crew changing out and loading ammo belts gets into a bit more of a fuzzy zone.]
$endgroup$
– TheLuckless
Aug 12 at 16:36
$begingroup$
@MichaelHall maybe the friend said Air Force and the OP just mixed them up. Or, maybe OP couldn't remember the specific airplane so just said the one they could think of.
$endgroup$
– SnakeDoc
Aug 12 at 22:09
$begingroup$
@MichaelHall maybe the friend said Air Force and the OP just mixed them up. Or, maybe OP couldn't remember the specific airplane so just said the one they could think of.
$endgroup$
– SnakeDoc
Aug 12 at 22:09
1
1
$begingroup$
The model does matter a lot, though. Relative time spent on maintenance does vary quite a bit, even among modern planes.
$endgroup$
– MSalters
Aug 13 at 8:21
$begingroup$
The model does matter a lot, though. Relative time spent on maintenance does vary quite a bit, even among modern planes.
$endgroup$
– MSalters
Aug 13 at 8:21
1
1
$begingroup$
"10 hours of maintenance for every hour of flight." does not mean it takes ten hours to get the plane ready for the next flight, or even that it takes ten people an hour to get it ready for the next flight. It might take much less than that to turnround for the next flight, but requires hundreds of hours maintenence every ten or twenty flights.
$endgroup$
– DJClayworth
Aug 13 at 19:25
$begingroup$
"10 hours of maintenance for every hour of flight." does not mean it takes ten hours to get the plane ready for the next flight, or even that it takes ten people an hour to get it ready for the next flight. It might take much less than that to turnround for the next flight, but requires hundreds of hours maintenence every ten or twenty flights.
$endgroup$
– DJClayworth
Aug 13 at 19:25
|
show 1 more comment
1 Answer
1
active
oldest
votes
$begingroup$
Far more than that. Try 50 maintenance hours per flight hour.
actually finding a reliable source on-line has proven to be a bit difficult. RNZAF, pacific maintenance 58 man hours per flying hour. NZ based (training) F4u 50.5 man hours per flying hour. P51s NZ based (conversion and training) 36 man hours per flight hour.
Piston engines (esp. WW2-era high-performance fighter engines) are very maintenance-intensive compared to jets.
Here's a comparison of various military aircraft types:
Saab Draken.- 50 to 1
Eurofighter....- 9 to 1
F-14............. - 24 to 1
F-18E/F........- 6 to 1
F-18E/F........- 15 to 1 (different source)
Saab Gripen..- 10 to 1
C-17.............- 20 to 1
F-15A/B........- 32.3
F-15C/D........- 22.1
F-16A...........- 19.2
F-117...........- 150
F-117...........- 45 (after improvements, post 1989)
CH-46E........- 19.6 in 1995 GlobalSecurity.org
CH-46E........- 27.2 in 2000
CH-53D........- 24.8 in 1995
CH-53D........- 27.9 in 2000
F-20.............- 5.6
A-6E............- 51.9
F/A-18C.......- 19.1
B-2..............- 124
and you can see modern fighters require far less maintenance hours/flight hour due to several factors:
- improved systems that require less frequent maintenance
- design improvements to make maintenance take less time (better access, more line-replaceable units)
answered Aug 12 at 13:49
HobbesHobbes
7,18621 silver badges28 bronze badges
$endgroup$
$begingroup$
I looked at your first link and didn't find the reference 50 maintenance hours per flight hour. Is the link correct? Also, I'm not sure a discussion forum represents an authoritative source.
$endgroup$
– Eric Shain
Aug 12 at 15:57
$begingroup$
There were 3 figures on that page, I rounded off the average.
$endgroup$
– Hobbes
Aug 12 at 16:39
1
$begingroup$
Ok, I found it. It was in a section that had to be expanded.
$endgroup$
– Eric Shain
Aug 12 at 20:18
5
$begingroup$
Possibly worth clarifying that these are maintenance man-hours rather than clock hours; it's not clear which figure OP is interested in.
$endgroup$
– Russell Borogove
Aug 13 at 0:04
2
$begingroup$
OP said "amount of time that would be required to maintain the aircraft on the ground", so sounds more like wall-clock time. Thus, depending on the aircraft and specific tasks needed, you could throw more people at it to complete checks faster.
$endgroup$
– Nick T
Aug 13 at 3:33
|
show 3 more comments
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$begingroup$
Far more than that. Try 50 maintenance hours per flight hour.
actually finding a reliable source on-line has proven to be a bit difficult. RNZAF, pacific maintenance 58 man hours per flying hour. NZ based (training) F4u 50.5 man hours per flying hour. P51s NZ based (conversion and training) 36 man hours per flight hour.
Piston engines (esp. WW2-era high-performance fighter engines) are very maintenance-intensive compared to jets.
Here's a comparison of various military aircraft types:
Saab Draken.- 50 to 1
Eurofighter....- 9 to 1
F-14............. - 24 to 1
F-18E/F........- 6 to 1
F-18E/F........- 15 to 1 (different source)
Saab Gripen..- 10 to 1
C-17.............- 20 to 1
F-15A/B........- 32.3
F-15C/D........- 22.1
F-16A...........- 19.2
F-117...........- 150
F-117...........- 45 (after improvements, post 1989)
CH-46E........- 19.6 in 1995 GlobalSecurity.org
CH-46E........- 27.2 in 2000
CH-53D........- 24.8 in 1995
CH-53D........- 27.9 in 2000
F-20.............- 5.6
A-6E............- 51.9
F/A-18C.......- 19.1
B-2..............- 124
and you can see modern fighters require far less maintenance hours/flight hour due to several factors:
- improved systems that require less frequent maintenance
- design improvements to make maintenance take less time (better access, more line-replaceable units)
answered Aug 12 at 13:49
HobbesHobbes
7,18621 silver badges28 bronze badges
$endgroup$
$begingroup$
I looked at your first link and didn't find the reference 50 maintenance hours per flight hour. Is the link correct? Also, I'm not sure a discussion forum represents an authoritative source.
$endgroup$
– Eric Shain
Aug 12 at 15:57
$begingroup$
There were 3 figures on that page, I rounded off the average.
$endgroup$
– Hobbes
Aug 12 at 16:39
1
$begingroup$
Ok, I found it. It was in a section that had to be expanded.
$endgroup$
– Eric Shain
Aug 12 at 20:18
5
$begingroup$
Possibly worth clarifying that these are maintenance man-hours rather than clock hours; it's not clear which figure OP is interested in.
$endgroup$
– Russell Borogove
Aug 13 at 0:04
2
$begingroup$
OP said "amount of time that would be required to maintain the aircraft on the ground", so sounds more like wall-clock time. Thus, depending on the aircraft and specific tasks needed, you could throw more people at it to complete checks faster.
$endgroup$
– Nick T
Aug 13 at 3:33
|
show 3 more comments
$begingroup$
Far more than that. Try 50 maintenance hours per flight hour.
actually finding a reliable source on-line has proven to be a bit difficult. RNZAF, pacific maintenance 58 man hours per flying hour. NZ based (training) F4u 50.5 man hours per flying hour. P51s NZ based (conversion and training) 36 man hours per flight hour.
Piston engines (esp. WW2-era high-performance fighter engines) are very maintenance-intensive compared to jets.
Here's a comparison of various military aircraft types:
Saab Draken.- 50 to 1
Eurofighter....- 9 to 1
F-14............. - 24 to 1
F-18E/F........- 6 to 1
F-18E/F........- 15 to 1 (different source)
Saab Gripen..- 10 to 1
C-17.............- 20 to 1
F-15A/B........- 32.3
F-15C/D........- 22.1
F-16A...........- 19.2
F-117...........- 150
F-117...........- 45 (after improvements, post 1989)
CH-46E........- 19.6 in 1995 GlobalSecurity.org
CH-46E........- 27.2 in 2000
CH-53D........- 24.8 in 1995
CH-53D........- 27.9 in 2000
F-20.............- 5.6
A-6E............- 51.9
F/A-18C.......- 19.1
B-2..............- 124
and you can see modern fighters require far less maintenance hours/flight hour due to several factors:
- improved systems that require less frequent maintenance
- design improvements to make maintenance take less time (better access, more line-replaceable units)
answered Aug 12 at 13:49
HobbesHobbes
7,18621 silver badges28 bronze badges
$endgroup$
$begingroup$
I looked at your first link and didn't find the reference 50 maintenance hours per flight hour. Is the link correct? Also, I'm not sure a discussion forum represents an authoritative source.
$endgroup$
– Eric Shain
Aug 12 at 15:57
$begingroup$
There were 3 figures on that page, I rounded off the average.
$endgroup$
– Hobbes
Aug 12 at 16:39
1
$begingroup$
Ok, I found it. It was in a section that had to be expanded.
$endgroup$
– Eric Shain
Aug 12 at 20:18
5
$begingroup$
Possibly worth clarifying that these are maintenance man-hours rather than clock hours; it's not clear which figure OP is interested in.
$endgroup$
– Russell Borogove
Aug 13 at 0:04
2
$begingroup$
OP said "amount of time that would be required to maintain the aircraft on the ground", so sounds more like wall-clock time. Thus, depending on the aircraft and specific tasks needed, you could throw more people at it to complete checks faster.
$endgroup$
– Nick T
Aug 13 at 3:33
|
show 3 more comments
$begingroup$
Far more than that. Try 50 maintenance hours per flight hour.
actually finding a reliable source on-line has proven to be a bit difficult. RNZAF, pacific maintenance 58 man hours per flying hour. NZ based (training) F4u 50.5 man hours per flying hour. P51s NZ based (conversion and training) 36 man hours per flight hour.
Piston engines (esp. WW2-era high-performance fighter engines) are very maintenance-intensive compared to jets.
Here's a comparison of various military aircraft types:
Saab Draken.- 50 to 1
Eurofighter....- 9 to 1
F-14............. - 24 to 1
F-18E/F........- 6 to 1
F-18E/F........- 15 to 1 (different source)
Saab Gripen..- 10 to 1
C-17.............- 20 to 1
F-15A/B........- 32.3
F-15C/D........- 22.1
F-16A...........- 19.2
F-117...........- 150
F-117...........- 45 (after improvements, post 1989)
CH-46E........- 19.6 in 1995 GlobalSecurity.org
CH-46E........- 27.2 in 2000
CH-53D........- 24.8 in 1995
CH-53D........- 27.9 in 2000
F-20.............- 5.6
A-6E............- 51.9
F/A-18C.......- 19.1
B-2..............- 124
and you can see modern fighters require far less maintenance hours/flight hour due to several factors:
- improved systems that require less frequent maintenance
- design improvements to make maintenance take less time (better access, more line-replaceable units)
answered Aug 12 at 13:49
HobbesHobbes
7,18621 silver badges28 bronze badges
$endgroup$
Far more than that. Try 50 maintenance hours per flight hour.
actually finding a reliable source on-line has proven to be a bit difficult. RNZAF, pacific maintenance 58 man hours per flying hour. NZ based (training) F4u 50.5 man hours per flying hour. P51s NZ based (conversion and training) 36 man hours per flight hour.
Piston engines (esp. WW2-era high-performance fighter engines) are very maintenance-intensive compared to jets.
Here's a comparison of various military aircraft types:
Saab Draken.- 50 to 1
Eurofighter....- 9 to 1
F-14............. - 24 to 1
F-18E/F........- 6 to 1
F-18E/F........- 15 to 1 (different source)
Saab Gripen..- 10 to 1
C-17.............- 20 to 1
F-15A/B........- 32.3
F-15C/D........- 22.1
F-16A...........- 19.2
F-117...........- 150
F-117...........- 45 (after improvements, post 1989)
CH-46E........- 19.6 in 1995 GlobalSecurity.org
CH-46E........- 27.2 in 2000
CH-53D........- 24.8 in 1995
CH-53D........- 27.9 in 2000
F-20.............- 5.6
A-6E............- 51.9
F/A-18C.......- 19.1
B-2..............- 124
and you can see modern fighters require far less maintenance hours/flight hour due to several factors:
- improved systems that require less frequent maintenance
- design improvements to make maintenance take less time (better access, more line-replaceable units)
answered Aug 12 at 13:49
HobbesHobbes
7,18621 silver badges28 bronze badges
edited Aug 12 at 16:38
answered Aug 12 at 13:49
HobbesHobbes
7,18621 silver badges28 bronze badges
answered Aug 12 at 13:49
HobbesHobbes
7,18621 silver badges28 bronze badges
answered Aug 12 at 13:49
HobbesHobbes
7,18621 silver badges28 bronze badges
7,18621 silver badges28 bronze badges
$begingroup$
I looked at your first link and didn't find the reference 50 maintenance hours per flight hour. Is the link correct? Also, I'm not sure a discussion forum represents an authoritative source.
$endgroup$
– Eric Shain
Aug 12 at 15:57
$begingroup$
There were 3 figures on that page, I rounded off the average.
$endgroup$
– Hobbes
Aug 12 at 16:39
1
$begingroup$
Ok, I found it. It was in a section that had to be expanded.
$endgroup$
– Eric Shain
Aug 12 at 20:18
5
$begingroup$
Possibly worth clarifying that these are maintenance man-hours rather than clock hours; it's not clear which figure OP is interested in.
$endgroup$
– Russell Borogove
Aug 13 at 0:04
2
$begingroup$
OP said "amount of time that would be required to maintain the aircraft on the ground", so sounds more like wall-clock time. Thus, depending on the aircraft and specific tasks needed, you could throw more people at it to complete checks faster.
$endgroup$
– Nick T
Aug 13 at 3:33
|
show 3 more comments
$begingroup$
I looked at your first link and didn't find the reference 50 maintenance hours per flight hour. Is the link correct? Also, I'm not sure a discussion forum represents an authoritative source.
$endgroup$
– Eric Shain
Aug 12 at 15:57
$begingroup$
There were 3 figures on that page, I rounded off the average.
$endgroup$
– Hobbes
Aug 12 at 16:39
1
$begingroup$
Ok, I found it. It was in a section that had to be expanded.
$endgroup$
– Eric Shain
Aug 12 at 20:18
5
$begingroup$
Possibly worth clarifying that these are maintenance man-hours rather than clock hours; it's not clear which figure OP is interested in.
$endgroup$
– Russell Borogove
Aug 13 at 0:04
2
$begingroup$
OP said "amount of time that would be required to maintain the aircraft on the ground", so sounds more like wall-clock time. Thus, depending on the aircraft and specific tasks needed, you could throw more people at it to complete checks faster.
$endgroup$
– Nick T
Aug 13 at 3:33
$begingroup$
I looked at your first link and didn't find the reference 50 maintenance hours per flight hour. Is the link correct? Also, I'm not sure a discussion forum represents an authoritative source.
$endgroup$
– Eric Shain
Aug 12 at 15:57
$begingroup$
I looked at your first link and didn't find the reference 50 maintenance hours per flight hour. Is the link correct? Also, I'm not sure a discussion forum represents an authoritative source.
$endgroup$
– Eric Shain
Aug 12 at 15:57
$begingroup$
There were 3 figures on that page, I rounded off the average.
$endgroup$
– Hobbes
Aug 12 at 16:39
$begingroup$
There were 3 figures on that page, I rounded off the average.
$endgroup$
– Hobbes
Aug 12 at 16:39
1
1
$begingroup$
Ok, I found it. It was in a section that had to be expanded.
$endgroup$
– Eric Shain
Aug 12 at 20:18
$begingroup$
Ok, I found it. It was in a section that had to be expanded.
$endgroup$
– Eric Shain
Aug 12 at 20:18
5
5
$begingroup$
Possibly worth clarifying that these are maintenance man-hours rather than clock hours; it's not clear which figure OP is interested in.
$endgroup$
– Russell Borogove
Aug 13 at 0:04
$begingroup$
Possibly worth clarifying that these are maintenance man-hours rather than clock hours; it's not clear which figure OP is interested in.
$endgroup$
– Russell Borogove
Aug 13 at 0:04
2
2
$begingroup$
OP said "amount of time that would be required to maintain the aircraft on the ground", so sounds more like wall-clock time. Thus, depending on the aircraft and specific tasks needed, you could throw more people at it to complete checks faster.
$endgroup$
– Nick T
Aug 13 at 3:33
$begingroup$
OP said "amount of time that would be required to maintain the aircraft on the ground", so sounds more like wall-clock time. Thus, depending on the aircraft and specific tasks needed, you could throw more people at it to complete checks faster.
$endgroup$
– Nick T
Aug 13 at 3:33
|
show 3 more comments
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Although that number may be correct, it is highly unlikely that your friend worked on F-22s if he was in the Navy. Raptors are an Air Force plane.
$endgroup$
– Michael Hall
Aug 12 at 16:23
2
$begingroup$
Figures like this are a bit of an awkward 'time accounting' issue, and answers would ideally take care to include what hours they're including. [ie, 'total support hours' can include the cook's time for meals for all the crew involved, but is not 'maintenance time', while the time spent by crew changing out and loading ammo belts gets into a bit more of a fuzzy zone.]
$endgroup$
– TheLuckless
Aug 12 at 16:36
$begingroup$
@MichaelHall maybe the friend said Air Force and the OP just mixed them up. Or, maybe OP couldn't remember the specific airplane so just said the one they could think of.
$endgroup$
– SnakeDoc
Aug 12 at 22:09
1
$begingroup$
The model does matter a lot, though. Relative time spent on maintenance does vary quite a bit, even among modern planes.
$endgroup$
– MSalters
Aug 13 at 8:21
1
$begingroup$
"10 hours of maintenance for every hour of flight." does not mean it takes ten hours to get the plane ready for the next flight, or even that it takes ten people an hour to get it ready for the next flight. It might take much less than that to turnround for the next flight, but requires hundreds of hours maintenence every ten or twenty flights.
$endgroup$
– DJClayworth
Aug 13 at 19:25