[bvipilots] Re: Fuel question
- From: Robert Cezar <robert@xxxxxxxxxxxxxxx>
- To: bvipilots@xxxxxxxxxxxxx
- Date: Tue, 3 Sep 2013 05:04:05 -0700
Simply say, "Fuel weight", or, "Fuel quantity".
All of these voice commands are listed under the Fuel section of Voice
Commands:
http://www.itsyourplane.com/html/commands.asp
Robert
On Tue, Sep 3, 2013 at 2:57 AM, Noel Romey <nromey@xxxxxxxxx> wrote:
> Stupid question, are you guys using the acars panal to see what amount
> of fuel you have? Or is there some other command I could use? I'm
> unsure.
>
> Noel
>
>
> On 9/3/13, Robert Cezar <robert@xxxxxxxxxxxxxxx> wrote:
> > Hello.
> >
> > REGARDING: Fuel Question
> >
> > For expediency, rather than writing a detailed answer to your question, I
> > have decided to share the following communication I had with an IYP user
> > who asked precisely the same question. I responded with an in-depth
> > explanation below.
> >
> > ===========================================
> > START OF CUSTOMER COMMUNICATION
> >
> > Hi Robert,
> >
> > Here's an example set of files for a flight where Michelle reports the
> > wrong fuel value. In this case, it didn't happen during the ground
> > checklists, but as we approached the descent phase. The value she gave
> was
> > 1,096 pounds. Later this increased to 1,912 pounds. Then it went down
> > again to
> > 1,314 pounds. Then it went up to 2,504 pounds, and so on. I've included
> > the voice transcript file so you can see. Like I say... gremlins. :-)
> >
> > All the best,
> >
> > David
> >
> > END OF CUSTOMER COMMUNICATION
> > ===========================================
> >
> > ===========================================
> > START OF MY RESPONSE
> >
> > Hello David,
> >
> > Well, upon review, actually there were no Gremlins! <G>
> >
> > Let me explain this carefully. Michelle loaded 45,216 pounds of fuel.
> This
> > value includes the flight, plus reserves for taxiing at both ends,
> > additional fuel for winds aloft, and yet more fuel to be able to perfect
> a
> > minimum of one Go-Around (more likely two Go-Arounds) or a diversion to
> an
> > alternate airport.
> >
> > HOWEVER...
> >
> > The aforementioned considerations assume typical "real-world" flight
> > planning.
> >
> > First, let me dispense with the constant fuel updates issue. This is
> > Michelle (acting like a Gremlin) automatically adding fuel (while
> > in-flight), so that you will never get to EMPTY. With that said, let's
> > find out why you were running on fumes!
> >
> > I conducted the exact flight as you had performed, using the files you
> had
> > sent me.. the PLN, FLT and WX.
> >
> > TEST PARAMETERS:
> >
> > Instead of having Michelle load the 45,216 pounds of fuel (which would be
> > too little as per above), I loaded the MAXIMUM fuel possible with the
> given
> > payload, in the amount of 52,185 pounds.
> >
> > TEST ONE: (using your exact flight)
> >
> > Cruising Altitude: 28,000 feet.
> > Starting Fuel: 52,185 Pounds
> > Top Of Climb (TOC) Fuel: 47,727 Pounds
> > Top Of Descent (TOD) Fuel: 12,515 Pounds
> > Landing Fuel: 9, 833 Pounds
> >
> > Fuel Consumed During Climb Out: 4,458 Pounds
> > Fuel Consumed During Cruising: 35,212 Pounds
> > Fuel Consumed During Descent: 2,682 Pounds
> > Fuel Consumption Per Hour: 1,435 Pounds
> > Total Fuel Consumed: 42,352 Pounds
> >
> > Cruising KIAS: 315 Knots
> > Mach Speed: .74
> >
> > TEST TWO: (using a cruising altitude of 38,000)
> >
> > Cruising Altitude: 38,000 feet.
> > Starting Fuel: 52,185 Pounds
> > Top Of Climb (TOC) Fuel: 47,033 Pounds
> > Top Of Descent (TOD) Fuel: 19,748 Pounds
> > Landing Fuel: 17,174 Pounds
> >
> > Fuel Consumed During Climb Out: 5,152 Pounds
> > Fuel Consumed During Cruising: 27,285 Pounds
> > Fuel Consumed During Descent: 2,574 Pounds
> > Fuel Consumption Per Hour: 1,185 Pounds
> > Total Fuel Consumed: 35,011 Pounds
> >
> > Cruising KIAS: 255 Knots
> > Mach Speed: .79
> >
> > NOTE: I landed on Runway 21 on TEST ONE, however, due to changes in the
> > weather, I was assigned Runway 03 on TEST TWO. This means, that I needed
> to
> > fly downwind, so the flight was a little longer.
> >
> > SUMMARY:
> >
> > As you can see, when Michelle initially loaded 45,216 pounds and you
> > consumed 42,352 pounds by flying at 28,000 feet, you had insufficient
> fuel
> > for a flight of this length. Ergo, Michelle periodically "added fuel" so
> > the passengers would not die!
> >
> > By conducting the same flight at a more suitable cruising altitude of
> > 38,000 feet, the total fuel consumption was significantly less... only
> > 35,001, thereby leaving 10,215 pounds of reserve for Go-Around(s) or a
> > diversion to an alternate airport.
> >
> > There are three sections in the IYP Flight Deck Doc that I'd like you to
> > read:
> >
> > On PAGE 29: Calculating Fuel Consumption
> > On PAGE 56: Calculating Your Cruising Altitude
> > On PAGE 66: Airspeed Control
> >
> > BTW, you can review the ACARS/PIREP for both of these flights in the IYP
> > Pilots Lounge under:
> >
> > PIREP - Complete Pilot Reporting and ACARS Log Book
> >
> > I hope this missive helps. <SMILES>
> >
> > Regards,
> > Robert
> >
> > END OF MY RESPONSE
> > ===========================================
> >
> > This should adequately answer your question.
> >
> > Robert
> >
> >
> >
> >
> > On Tue, Sep 3, 2013 at 12:35 AM, Robert Cezar
> > <robert@xxxxxxxxxxxxxxx>wrote:
> >
> >> Hello,
> >>
> >> What aircraft are you referencing?
> >>
> >> Please advise.
> >>
> >>
> >> On Mon, Sep 2, 2013 at 11:31 PM, Jordan Gallacher <
> >> jordanandseptember@xxxxxxxxx> wrote:
> >>
> >>> I have a fuel question. When the fuel gets around 95 gallons, it
> >>> automatically goes back up to 130 gallons. Anyone know of a solution to
> >>> this?
> >>> Jordan
> >>>
> >>> Sent from my iPhoneBlind and Visually impaired Pilots mailinglist
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> >>>
> >>
> >>
> >>
> >> --
> >>
> >>
> >> AOPA Member No: 06936977
> >>
> >>
> >
> >
> > --
> >
> >
> > AOPA Member No: 06936977
> >
> Blind and Visually impaired Pilots mailinglist
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