I’m planning on doing a 8:15 to 8:30 hour flight from SFO-KEF with a Icelandair 757, the 757 has a flight time of just under 9 hours according to IF. How can I conserve fuel to be safe, and I can’t step climb because I have to get to bed for school in the morning
Have a low vertical speed(vs), around 100 or 200, once you make it to 28,000. I usually do that when I do overnight flights.
And don’t have a lot of cargo, every bit counts.
that might be a problem. but i would say that if you want to be “safe” you can set load at minimum and load enough fuel to get you there. low vs should also help.
I’m planning on waking up a little early to make sure everything is okay and worst case scenario I have a diversion airport in Greenland to land at
The 757-200 has a max range of 3915nm / 4500 miles.
SFO-KEF has a great circle route of 3653nm / 4204 miles.
So, as you mentioned, you want to watch the fuel flow.
Recommend limiting both passenger load and cargo. When I preplan a flight For my job, I constantly communicate with both dispatch and ground crews. Obviously this isn’t possible in IF so you’ll need to take it into account for yourself.
Also, have a backup airport in case you need to divert for fuel prior to reaching KEF.
You can cruise at a lower altitude until you lighten up from fuel weight then move on to higher altitudes to burn less in thinner air
I’m planning on being light and I have a diversion airport on the South coast of Greenland with a 6,000 foot runway if need be
I have done a flight of longer length KGJT-EGLL (about 4200nm) in the 752 just set your cruise speed about M0.01-M0.03 lower than you’d normally have it, so probably about M0.75.
I would also suggest that you takeoff with a reasonable climb rate, as I see many people flying their 737 as if it was a space shuttle. Climbing out at full throttle/high VS is definitley going to burn more fuel than needed.
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