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18 Dec 2025, 18:48 [ UTC - 5; DST ]


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 Post subject: Re: The definitive Piaggio P180 Avanti thread.
PostPosted: 07 Jul 2023, 10:56 
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Username Protected wrote:
Number of starts per charge 4-Mar (4th of March?)
LOL! I'll bet they typed "3-4" into an Excel spreadsheet.


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 Post subject: Re: The definitive Piaggio P180 Avanti thread.
PostPosted: 07 Jul 2023, 10:59 
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Username Protected wrote:
Number of starts per charge 4-Mar (4th of March?)
LOL! I'll bet they typed "3-4" into an Excel spreadsheet.

Says something about their attention to detail and proofreading.

Mike C.
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 Post subject: Re: The definitive Piaggio P180 Avanti thread.
PostPosted: 07 Jul 2023, 11:14 
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Username Protected wrote:
Hey Mike - sent you an email offline , but curious if there is a discussion somewhere here about the C560V vs P180II , have another buddy that is in the same bucket.. he is tired of getting passed by ducks, clouds, and anything else faster than his KingAir.. :) So starting the evaluation process.. Would love to point him there if it exists

A King Air scores badly on the speed/cost curve. In winter headwinds, and it can be brutal. On my V, headwinds are not really that big a deal. I've had 50 knot winds and the out and back times vary by less than 10 minutes.

Here is what I wrote you, somewhat edited:

---

The C560 will burn more fuel per mile than the Avanti. My block fuel usage is 177 GPH for the flights I made in 1H 2023. Fuel dominates my operating cost so far but I manage it well with CAA, contract fuel, airport/FBO selection, and tankering options. Lately, my average fuel price has been around $4.20. Figure about $750/hour for fuel.

Maintenance has been very low cost so far due to several factors, mostly my direct involvement in the process when it comes to vendor selections, part sourcing, etc. I'm still somewhat in the "fix the old problems" from when I bought it, which plagued me in 2021 but is starting to abate now, but even despite that, the costs have been low. RH hydraulic pump replaced for less than $2K, ACM rebuild for $15K, and the battery of 10,000 hour inspections for under $10K are the major expenses so far. Oh, I did have the hydraulic leak AOG event, $8K.

A great help is the LUMP inspection program (low utilization maintenance program) that Textron provides. Phase 1-4 every 3 years, phase 5 every 6 years. I did a phase 1-4 last year (about $15K all in), and my phase 1-5 is not due now until late 2025. There are other inspections due in between, but they are minor.

A tremendous help is that my maintenance is now on field. There are so many shops that know Citations that you can find local shops more easily. Not having to ferry the plane to the shop is a major cost and time saver that doesn't show up in "maintenance costs" for most accounting.

Parts sourcing is a major cost reducer. So many parts you can get after market or through salvage yards. For example, my RH hydraulic pump was $200 and came off a recently parted out Bravo. Not a typo. Textron actually sells a lot of parts very reasonably (though some are not). Their pricing for "normal" stuff, like tires and batteries, beats everybody else's that I can find.

Maintenance costs seem like they will be around $200/hour, which is fantastic, on par with my MU2 (which, BTW, I had to ferry for maintenance). I assume the Avanti is an airplane of such uniqueness that you have to go to a specialty shop for it. I mentally figure the maintenance will be higher than that long term, but so far, and even through the "fix it up" stage, it has not been.

I did a complete avionics overhaul, $240K. Given this adds substantial value to the airplane, it really isn't an "expense". It also saves me from a bunch of avionic maintenance of the old stuff (which is $$$).

Engine reserves are market value things to me so I don't put an hourly cost on that. I plan to fly past TBO with just doing HSI which gets you a lot of low cost engine hours. The engine times/cycles line up nicely for that.

Hangar, taxes, etc, are probably similar to Avanti. Insurance has been about the same as my MU2 or even less ($900K hull, $3M liability, $15K premium). Citations just don't crash very much. I have no idea what Avanti insurance would cost.

I had budgeted about $1500/hour to operate and I am well under that now that fuel prices have abated somewhat. I'm sure this is higher than an Avanti, but non operational costs (like training, maintenance ferrying, etc) do help mitigate that somewhat.

Operationally, the plane is fast, I can do 420 KTAS if I want. I typically fly it a touch slower, 400-410, maybe down to 390 if up high and hot. FL400/410 normal, sometimes to FL430, rarely to FL450. Only once did I cruise in the 30s, not economical (but wicked fast). Runway usage is fantastic. I thought I would lose some runway access over the MU2, but I really didn't. Ground rolls of 1500 ft for takeoff or landing are routine. That has been the single most impressive thing about this plane, the short runway usage.

There are numerous training options, sims and in plane. So far I have only done Flightsafety full motion sim. My last two 61.58 SPE recurrents were $6400/each, 4 days. There are a lot of day pilots you can hire if you need to, lots of CE-500 typed pilots out there.

There are things I miss about my MU2, such as low fuel flow and a robust cabin door, but it is very nice to have a plane with a much larger ecosystem. Passengers REALLY like the Citation over the MU2. The Avanti cabin probably would please them as well.

I bought the V for range and thought the 9 seats would be a waste. Turns out, I have flown with 9 people on board. I've attached my flight log since I owned the plane so you can see all the missions, airports, and people counts.

I VERY rarely fly it solo, only 7 times in my entire ownership. I am flying it with more people aboard than the MU2, at least 1 more on average, maybe closer to 2 more. Loads of 6+ are not that unusual, 11 times so far.

My avionics upgrade gave me 380 lbs more useful load. Not a typo, actual before and after weighing. I have 1075 lbs useful load full fuel, but loaded for a 1000 nm flight, I have well over 2000 lbs useful load left. On top of that, there is a 400 lbs weight increase option which is just paperwork, so the plane is capable of hauling a massive amount. My ZFW is 12,200 lbs, or almost 3000 lbs cabin load. That's 330 lbs per seat, so NFL linemen sized folks.

Since my plane is so light on the nose, I don't run out of forward CG when loading up. This was a big issue prior to the avionics upgrade. I have the opposite problem, need ballast in the nose for 1 or 2 people aboard but can drop that when getting heavier. This has not been a big deal. Running near aft CG makes the plane faster, too.

With a jet, you may find reasons to go further. The still air range is about 1800 nm on the V when flown for max range. So you either get a lot of range, or you get a lot of load. The range/load profile will exceed the Avanati by quite a bit.

See my flight logs for "normal". My one flight with 9 aboard was KEHR to KLWM, about 800 nm. Probably could have done 1200 nm. Would have to run the numbers to be sure and will depend on whether we're moving football players or jockeys.

Mike C.

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 Post subject: Re: The definitive Piaggio P180 Avanti thread.
PostPosted: 07 Jul 2023, 11:20 
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Username Protected wrote:
Says something about their attention to detail and proofreading.

Mike C.


Quote:
Load on GPU Connector 70 lbs/foot (a torque?)


My guess is this spec is the downward twisting motion put on a GPU connector that orients that beast parallel to the ground. In other words, if that is plugged into a GPU port that has it sticking straight out, "don't let go" unless you know that port is strong enough to handle that much torque.

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 Post subject: Re: The definitive Piaggio P180 Avanti thread.
PostPosted: 07 Jul 2023, 11:32 
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Joined: 11/08/12
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Location: Live in San Carlos, CA - based Hayward, CA KHWD
Aircraft: Piaggio Avanti
Username Protected wrote:
Quote:
Load on GPU Connector 70 lbs/foot (a torque?)

My guess is this spec is the downward twisting motion put on a GPU connector that orients that beast parallel to the ground.

Yes. And their marketing writers compare it to being less than the standard Hobart cable connection.

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 Post subject: Re: The definitive Piaggio P180 Avanti thread.
PostPosted: 07 Jul 2023, 13:15 
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Joined: 12/30/15
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Username Protected wrote:

$5K
Start Pac makes essentially the same thing for nearly half the cost.

Mike C.


Half the cost and ~twice the weight and 1.5 times the size.
Merlin pilot has a start pack at my home drone.
He has to wear oxygen just to climb in it sits so high. said someone on BT :scratch:
My memory which I may have conveniently rounded down was 4K.

I am nowhere close to an engineer nor an electrician.
My TLAR kinda works most of the time.

14.7 amp hours so If I pull ~45 amps while uploading databases she is going to last about 20 min and need a recharge.
Pulling ~500 amps for 20 seconds starting will only take battery down about 15%

After ~18 months of using I would say if ONLY starting engine 5 starts possible but I use mine to do part of checklist while not burning 50/gph with engines running.

I bought suction cup to hold up StartStick which did not work under wing.
I now use shooting sticks which one would use as a rifle rest.

Not looking at POH currently.
Seem to remember 300lb fuel imbalance is acceptable.

Sum Knucklehead I know forgot to open fuel valve getting fuel at country airport and did not want to run battery down too much transferring fuel before starting engine.
(knucklehead did not have StartStick at that time)
Me tinks fuel imbalance was north of 500lbs. A bit of a heavy wing and certainly would not have wanted to lose an engine right then but not much of an issue. Seem to remember being told by Italian Avanti pilot that 800lb fuel imbalance still was no big deal.

Also could have just filled up tank to spill over top but then W/B issue on a II with just pilot up front.

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 Post subject: Re: The definitive Piaggio P180 Avanti thread.
PostPosted: 07 Jul 2023, 13:38 
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Our plug is on the belly. Can you really hang that much weight straight down from that connector? Seems like it would fall out.

I would use this to power the air conditioner and for avionics updates.


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 Post subject: Re: The definitive Piaggio P180 Avanti thread.
PostPosted: 07 Jul 2023, 13:47 
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Username Protected wrote:
Not looking at POH currently.
Seem to remember 300lb fuel imbalance is acceptable.

POH limitation is 200lb imbalance.

Quote:
... did not want to run battery down too much transferring fuel before starting engine.

It's pretty easy to get fueling imbalance. But I'm unclear how transferring fuel uses battery? I think only way to transfer is to open transfer valve and then let gravity+time do its job. But I would like to better understand system if that's not the only way.

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 Post subject: Re: The definitive Piaggio P180 Avanti thread.
PostPosted: 07 Jul 2023, 14:14 
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Company: Ciholas, Inc
Location: KEHR
Aircraft: C560V
Username Protected wrote:
My guess is this spec is the downward twisting motion put on a GPU connector that orients that beast parallel to the ground. In other words, if that is plugged into a GPU port that has it sticking straight out, "don't let go" unless you know that port is strong enough to handle that much torque.

70 lbs/foot (their spec) for a 14.9 lbs thing means an average arm of 4.7 feet.

Fails sanity check.

The device is about 21 inches long, so assuming the CG of it is about 12 inches out, should be 15 lbs/foot.

Thus the spec is either random garbage or it means something else than overhung load on the connector.

Mike C.

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 Post subject: Re: The definitive Piaggio P180 Avanti thread.
PostPosted: 07 Jul 2023, 14:28 
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Username Protected wrote:
Half the cost and ~twice the weight and 1.5 times the size.

We must be comparing different things.

StartStick 15Ah is 14.9 lbs, 15 AH, $5000.

Start Pac Pro is 12.0 lbs., 16 AH, $2800.

As for size, the Start Pac Pro is more volume, but shorter, so kind of similar.

https://www.start-stick.com/product/sta ... leet-15ah/

https://startpac.com/wp-content/uploads ... AC-ONE.pdf

Mike C.

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 Post subject: Re: The definitive Piaggio P180 Avanti thread.
PostPosted: 07 Jul 2023, 14:30 
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Username Protected wrote:
Our plug is on the belly. Can you really hang that much weight straight down from that connector? Seems like it would fall out.

Pretty sure the force to remove the plug is well over 15 lbs.

Some GPU cables are quite heavy and they don't drop out.

Mike C.

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 Post subject: Re: The definitive Piaggio P180 Avanti thread.
PostPosted: 07 Jul 2023, 15:14 
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Username Protected wrote:
Our plug is on the belly. Can you really hang that much weight straight down from that connector? Seems like it would fall out.

Pretty sure the force to remove the plug is well over 15 lbs.

Some GPU cables are quite heavy and they don't drop out.

Mike C.


Our a/c as I recall is 80 amps, so probably a no-go for these units, not sure 10 minutes of AC is worth the price of admission.

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 Post subject: Re: The definitive Piaggio P180 Avanti thread.
PostPosted: 07 Jul 2023, 17:02 
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Username Protected wrote:
Hey Mike - sent you an email offline , but curious if there is a discussion somewhere here about the C560V vs P180II , have another buddy that is in the same bucket.. he is tired of getting passed by ducks, clouds, and anything else faster than his KingAir.. :) So starting the evaluation process.. Would love to point him there if it exists

I'm not Mike but I would have them read the 501SP thread here on BT along with this one for the P180. There is a ton of info in those threads about both aircraft. I'm pretty sure Mike chimes in several times in the 501SP thread about his 560 experience(s).

I looked moderately hard at a P180 when I was looking to upgrade from the SR22. I liked the lower fuel burn and my family much preferred the P180 cabin over the Citation.

Having IJS local made me feel comfortable from a maintenance standpoint but I was nervous about the company's health and future parts availability and that is what ultimately pushed me into a Citation. Also, my plane is just stupid simple to operate. Any line person in the world knows exactly what to do, how to fuel, tow, whatever. I only have 2 levers to deal with, no props to maintain, etc. Also, if I'm AOG somewhere, it should be easier to get help.

Finally, 560 prices have gone vertical. Mike got in at the right time (as did I into my 501) but there are no deals on 560s now. Depending on how many seats your buddy needs and their tolerance for fuel stops, a 501 or 551 may fit the bill and be a lot cheaper.

All that to say I still love the P180 and see them regularly at RVS (and flying over my house to TUL to visit IJS). I many still end up in one some day. Oh, if any of you end up at TUL and need anything (place to spend the night, ride to a hotel, etc.) or just want to grab a coffee drop me a line. I live 5 miles north of TUL. I would love to get a ride in a P180 - I've only sat in them.

Hey Jon, you need to update your avatar/profile - it still shows your MU-2 :)


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 Post subject: Re: The definitive Piaggio P180 Avanti thread.
PostPosted: 07 Jul 2023, 17:29 
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P180 prices have also gone vertical. When I started this thread, you could get a slummed out, ex-Avantair for well below a million. Not so much anymore. Good thing I couldn't get in, because, as things are now, I would not have been able to afford to run one anyway.

But, changing track: Does anyone follow Velocity Aircraft on Instagram? Anyway, they've just started test flying their new 6-seat Velocity V-Twin XL and the thing looks friggin awesome! There will be a turbine engine option as well as diesel. No performance numbers have been released yet, but I'd be surprised if this couldn't do 220kts+

A little mini-P180 for the homebuilder crowd or those less burdened by wallet weight. ;)

https://www.instagram.com/reel/Ct6vFpCAsMO/?utm_source=ig_web_copy_link&igshid=MzRlODBiNWFlZA==

https://www.instagram.com/reel/CuNW3TgAPSB/?utm_source=ig_web_copy_link&igshid=MzRlODBiNWFlZA==

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 Post subject: Re: The definitive Piaggio P180 Avanti thread.
PostPosted: 07 Jul 2023, 17:43 
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Username Protected wrote:
It's pretty easy to get fueling imbalance. But I'm unclear how transferring fuel uses battery? I think only way to transfer is to open transfer valve and then let gravity+time do its job. But I would like to better understand system if that's not the only way.


You are correct Jon

In my case I was very new in Avanti, it was HOT, and I had the battery switch on to watch how fast fuel was gravity feeding. I could have turned off battery switch and sat in FBO.
100lb fuel imbalance is noticeable when hand flying. I don't think a 400lb imbalance would be noticeable on auto pilot.

My FBO looks flat at first glance only. If I leave transfer switch open and order ~200 gallons I might be well over 200lb imbalance. Start engine then immediately burn off heavy side.
Switch to both prior to take off then as soon as I level off in cruise switch to heavy side until 10lb from even then back to both. One fuel pump can supposedly pump 1,000lbs per hour.
Still, I will not crossfeed until cruise altitude.

My newest trick if needing less then ~120 gallons and FBO parks me headed SW is to NOT leave transfer switch on. Fuel will be in rt wing and I turn on transfer switch while StartStick is plugged in and I am doing pre checks. Turn off transfer when close to even...Voila.

Mike,
From fuzzy 2 year old memory another reason I chose StartStick was Startpac the Merlin pilot has was metal and had sharper edges vs mostly round plastic going inside Avanti's huge 5'10" x 6' cabin :D

Still GrinN

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