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Aircraft Fuel Burn Rate?  
User currently offlineRonerone From Jordan, joined Aug 2004, 1687 posts, RR: 52
Posted (8 years 1 month 3 weeks 5 days 10 hours ago) and read 32767 times:

What is the fuel burn rate per hour (or even minute) for A320, 738, and A332 aircraft during taxi-out and also when during a holding pattern before landing? And how would that rate compare to that when in normal cruise? Anyone any idea?

Any approximate figures would be great! Thanks!


A Stop Away From One-Stop, Is Non-Stop : Airbus A340-500
6 replies: All unread, jump to last
User currently offlineFlyf15 From , joined Dec 1969, posts, RR:
Reply 1, posted (8 years 1 month 3 weeks 5 days 7 hours ago) and read 32767 times:

I can't tell you for those types, but I can give you approximate numbers for the CRJ-200... it'll at least give you an idea of the ratios.

Approximate total burn pounds / hour

Taxi: 700 (Both engines and APU)
Takeoff: 6000-7000 (depending on temperature, elevation, reduced/full thrust, etc)
Climb: 6000-3500 (reducing as as altitude increases)
Cruise: 2500-3000 (depending on altitude/weight/etc... subtract 500 for long range, add 500 for high speed)
Holding: 1800-2400 (depending on altitude/speed)
Normal descent: 1500
Idle descent: 600
Approach: 2000 (fully configured)

User currently offlineMarkC From United States of America, joined Apr 2006, 259 posts, RR: 0
Reply 2, posted (8 years 1 month 3 weeks 5 days 5 hours ago) and read 32767 times:

From memory, a 100" 4000 on an A330 burns 2,200 pounds at idle, and I want to say 15,000 at takeoff, but that could be off. I can find out Monday.

User currently offlineRick767 From United Kingdom, joined Jan 2000, 2662 posts, RR: 50
Reply 3, posted (8 years 1 month 3 weeks 5 days 4 hours ago) and read 32767 times:

Assuming sea level, ISA conditions:
A320 with CFM engines - about 270kg/hr (600lb/hr) per engine at idle (taxy)
A320 with V2500 engines - about 330kg/hr (730lb/hr) per engine at idle
A330 with RR Trent 772 engines - about 820kg/hr (1,800lb/hr) per engine at idle

Cruise fuel burn depends on so much, environmental conditions, cruise speed, altitude, weight, etc... but ballpark with a decent passenger load (total burn rates):

A320 - c.2,700kg/hr early in the flight (heavy) reducing to 2,300kg/hr before descent (lighter)
A330-200 with RR Trent 772's - c.6,100kg/hr early in the flight (heavy) reducing to c.5,400kg/hr before descent (lighter)

Holding pattern at typical landing weights (again decent passenger load assumed) will be roughly:

A320 - 2,200kg/hr (total)
A330-200 - 4,600kg/hr (total)

Hope that helps.

I used to love the smell of Jet-A in the morning...
User currently offlineWILCO737 From Greenland, joined Jun 2004, 9320 posts, RR: 69
Reply 4, posted (8 years 1 month 3 weeks 5 days 1 hour ago) and read 32767 times:

On the 738 we used an everage fuel flow of 2400kg/hr during cruise. Sometimes it was more, with heavy aircraft, lower altitudes, sometimes it was higher, with lower weight and higher altitude...

WILCO737 (MD11F)

User currently offlineRSBJ From United States of America, joined Jan 2006, 153 posts, RR: 0
Reply 5, posted (8 years 1 month 3 weeks 4 days 11 hours ago) and read 32767 times:

A guide I use is weight/lb per hour at optimum altitude and LRC. The A320 (with CFM's) is 26.8bs per lb of fuel per hour, the 737-800 with winglets is 28.3. I don't know about the A330, though I can ask pops who flies them for US. It should be close to the 767-400, which is 34.3. I believe the best ratio is the 777NG at around 37.5, though I haven't had an opportunity to see the numbers for myself.
My method has a lot of flaws, but I find it useful nonetheless.

I fly really fast and take a lot of chances.
User currently offlineJonathanDavis From United States of America, joined Mar 2008, 8 posts, RR: 0
Reply 6, posted (8 years 1 month 3 weeks 2 days 5 hours ago) and read 32767 times:

I kinda remember HA's 717 jet, I used to work as a load planner for HA in OGG, and I told remember every single fuel burn, but it was something like this

taxi: 500

one-way OGG-HNL, 30minute flight was: 2200 total

and taxi again: 500

the 2200 was the total flight from takeoff,climb,cruise,descent,final

i say not bad, of couse if you had the perfect Center of Gravity for balancing that 717 can save some fuel

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