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rbp
rbp
00:04
i''m going to stop at soarfl.com to do some glider flying, then 2 days at the sport pilot expo, hopefully demo some motorgliders and some LSAs, including the Stemme
 
3 hours later…
03:08
cheap bastard :)
(Seriously, I wish the FAA would publish the navdata themselves - it would have to be cheaper than Jepp)
 
11 hours later…
rbp
rbp
14:11
just trying to improve the site :)
@voretaq7 the issue with the navdata is that the internal reprsentation, i thought, for each GPS unit is somewhat different, and that jepp and garmin had to massage the FAA data into the right format for their units
14:46
@rbp So when you refer Seminole, you mean Seminole-Lake Gliderport, not this ...
rbp
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but Seminole Lake is named after the Seminole indians
as is the airplane
@rbp Probably all these were named after the tribe too:
The Seminole are a Native American people formed in Florida in the 18th century. Seminole can also refer to: == Society == Seminole Nation of Oklahoma, a federally recognized Seminole tribe Seminole Tribe of Florida, a federally recognized Seminole tribe == Places == Seminole, Alabama Seminole, Florida Seminole, Oklahoma Seminole, Texas Seminole County, Georgia Seminole County, Florida Seminole County, Oklahoma Seminole Manor, Florida == Other == The Florida State University Seminoles, the sports teams representing Florida State University Lake Seminole, a lake in Alabama, Florida, and Georgia...
rbp
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@Farhan that's that's what I wrote
@rbp Yup, that list included several cities, airplanes, a train and a movie too.
rbp
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i wonder how often they practice Vmca-2 in the 380
that quote about freezing the instruments on every approach is also true for landing on the centerline every time
15:06
@rbp I've a dumb basic question about gliders. When you are towed to some altitude and released, and you fly and fly and fly and now want to land (20oz coffee wasn't a great idea before soaring), you must land on the same airfield you took off from or any airfield which is feasible?
rbp
rbp
15:23
@Farhan its just like any other aircraft, you can land anywhere legal, and in the case of an emergency, you can land in a farmer's field, etc
@Farhan landing in a farmer's field is much more common for gliders, however, usually on a XC flight. it even has its own terminology: "landing out"
Gliding is a recreational activity and competitive air sport in which pilots fly unpowered aircraft known as gliders or sailplanes using naturally occurring currents of rising air in the atmosphere to remain airborne. The word soaring is also used for the sport. Gliding as a sport began in the 1920s. Initially the objective was to increase the duration of flights but soon pilots attempted cross-country flights away from the place of launch. Improvements in aerodynamics and in the understanding of weather phenomena have allowed greater distances at higher average speeds. Long distances are now flown...
@rbp I was asking about a non-emergency. You are finishing your flight. If you land somewhere else than the originating airfield, who will transport the glider back?
rbp
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ah
assuming its not a self-launchig glider, you need a towplane. if the destination field doesn't have a towplane, you can call the field you launched from and the tow plane will come to you. its not considered a normal way to get home, unless pre-arranged in some fashion
sometimes a gaggle of gliders will go somewhere else, and the towplane will follow to launch everyone home @Farhan
its called a "retrieval"
@rbp or a caravan of trucks with trailers will follow so the gliders can be disassembled there and returned by ground
rbp
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from a gliderport website: Retrieval Tow *$88 minimum 175/tach hr
Okay got it. Thanks.
rbp
rbp
15:29
@ratchetfreak if the glider is at an airport, they send a towplane, not a car. if its ina field, it gets disassembled and trailered away
i mean MAYBE you would send a trailer to another airport in some special circumstances, but who wants to trailer the glider if you can fly it!
@rbp thunderstorm coming in
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@ratchetfreak good soaring weather!
@rbp So it means that gliders are disassembled a lot more than ... airplanes and Lego toys ;)
@rbp until the hail rips apart your wings
@Farhan you don't really want to leave them on the tarmac in general
rbp
rbp
PTS:
II. AREA OF OPERATION: PREFLIGHT PROCEDURES
A. TASK: ASSEMBLY
NOTE: If, in the judgment of the examiner, the demonstration of
the glider assembly is impractical, competency may be determined
by oral testing.
REFERENCES: Soaring Flight Manual, Glider Flight Manual.
Objective. To determine that the applicant:
1. Exhibits knowledge of the elements related to assembly
procedures.
2. Selects a suitable assembly area and provides sufficient
crewmembers for assembly.
3. Follows an appropriate checklist.
@ratchetfreak seriously, though, yes, you can ground or air retrieve, as appropriate
air retrieves have a higher price tag, but are ultimately cheaper
15:47
@rbp So is the 175/tach hr charge for the whole trip out to where you are?
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@fooot yes, and back, of course
@fooot plus 88 flat rate
rbp
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no, that' the 1/2 hour minimum
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that one is block time, not tach time
15:50
unless you have your own glider and foot monkey to pick you up of course ;)
16:29
@rbp Everybody (panel-mount GPS manufacturers) pretty much seems to use the Jepp navdata which comes in some standard ARINC format I don't remember the name/number of
But yes they take the FAA AeroNav data and do "stuff" to it to get it in that format -- and then charge a king's ransom for it
Why can't I just have nice geo-referenced TIFF files (or whatever the vectorized equivalent the FAA provides these days is) and a raw CSV dump of the nav database from the FAA, which they're required to make available cheaply? grumble
@rbp ...note to self: Self-launching motor-gliders only. (Which is basically how I feel about gliders in general :P)
rbp
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they come in a few different types -- only one of which is for self-launching. others are sustainers (might keep you from landing out) and true motorgliders
@rbp but SEXY! :-)
(and yes, you have to treat it like an airplane and lavish care (money) on the engine and related systems if you expect them to work when you want them)
rbp
rbp
16:44
@voretaq7 that's why i'm going to the sport pilot show next week: to look at MGs
@rbp If there's a Taurus there take some airplane glider-porn shots for me :-)
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i don't see pipstrel :(
but the stemme is just as sexy, if not more so
Do those big bulky propeller blades retract when the engine is off? :)
it does have the advantage of being much faster under power, but gliders aren't supposed to be fast :P
I'm not sold on electric yet
LiFePo batteries may actually change my mind there though
rbp
rbp
16:51
@vortaq7 if you read that ppt i sent before, there are a lot of in-air starting problems with gas
I don't know why ORD or ATL are the busiest. Don't more people want to go to JFK or LAX?
@voretaq7 BTW, I noticed that more and more answers of yours are missing ... the ... horizontal bar. This is unacceptable. :|
@Farhan ORD is a hub for basically most of the midwest, and a halfway point to connect transcontinentals
rbp
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also there's really nothing within 500-1000 miles east of JFK, so you lose an entire hemisphere of short hops
That explains it. I was wondering that the top most populated cities and metros are NYC and LA, so why their airports aren't that busy.
17:01
@rbp True, ATL is at least a little more inland, plus they don't have a LGA or MDW to compete with, and everyone wants to go to Florida
The same thing would be for West of LAX, for 500-1000 miles.
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@fooot ATL can also serve latin america much better than NYC (as does houston)
chicago (3d largest US city) is surrounded by a lot of people
and I don't know if it matters anymore, but chicago has always been a waystation for the mid-west. it has been a terminus for trains and boats since the Erie Canal connected chicago to the atlantic ocean in 1825
and all the cattle and foodstuffs from the west and midwest went through chicago
just like bremenhaven, amsterdam, and le havre in northern europe (for our european friends)
@rbp ORD typically has the best connections if you're flying to/from the midwest, of course depending on route/airline
rbp
rbp
17:16
yes, that's exactly my point
and long-range jets from asia and sydney can reach chicago, but not New York
without stopping on the west coast
i take that back: en.wikipedia.org/wiki/…
@rbp I like this.
Based on my love for people, I think I'll be happiest in Alaska. Weather is the only thing stopping me to relocate.
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@Farhan "love for people"? very few people in Alaska!
@rbp You got my point precisely.
@Farhan You know there's a character limit on the length of an answer, right? :-)
18:26
@voretaq7 I manually went through and classified everything ranked higher than FRG. For 2013, FRG was the 9th busiest delta. Behind, in order, DVT, GFK, VNY, APA, LGB, FFZ, PRC, and TMB. Since the data was incomplete for 2014, it didn't seem appropriate to use.
and ATL was the busiest bravo of 2013
@BretCopeland Where did you look up the classes?
@fooot skyvector
Like I said, it was manual
rbp
rbp
GFK is a delta, but it has 121 ops
allegiant and delta
I don't think that's all that uncommon.
I believe all of the deltas in Idaho are like that.
granted, it's Idaho, and those are pretty slow deltas.
18:30
@BretCopeland You're so motivated :-)
I WANTED TO KNOW
fine, inquisitive and motivated :-)
rbp
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KAPA has most of the bizjets for denver
KLGB has 121
KFFZ is bizjets for pheonix
I should turn this into a google doc so I can share it.
@rbp there are a bunch of deltas with scheduled service (KSWF is one that springs to mind, they still have JetBlue)
rbp
rbp
18:32
DVT and PRC have a lot of training
i did my long IFR night XC from PAO to prescott. my (pilot) ex was in the back seat, and my instructor in the right. it was a beautiful cloudless full moon, smooth night. then I nearly flew into the mountain (until my instrutor told me to take off the hood)
@BretCopeland do you think Islip ever gets an inferiority complex?
@voretaq7 Islip is inferior.
@BretCopeland they have a nicer runway complex… and a good avionics shop :)
(and apparently runway hold lights now)
@rbp I'm glad you did not fly into a mountain.
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@BretCopeland there was little chance of it actually happening, but I did bust the approach
18:36
Brookhaven is inferior - all they have are cats.
(like seriously more cats than Hofstra!)
ISP is way down on this list. They have fewer than half the operations of FRG.
I am listening to Dublin on liveATC and they are currently checking if pilots are happy to land with a possible rabbit carcass on the runway
@BretCopeland yeah they're down around 120something I think?
141 overall I think
@DanHulme are they?
rbp
rbp
18:38
@DanHulme only if they slow down enough to pick it up and serve it to the pax!
no, no food on Ryanair
I'm convinced the FAA keeps that tower/airspace open for two reasons:
1) They don't trust Southwest not to crash into houses
2) They need somewhere to send the washouts who have too many operational errors at JFK.
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@DanHulme well then they would probably charge for it as an upgrade!
@DanHulme Probably for the best. Turbine-roasted opossum doesn't sound appealing.
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wabbit
18:40
a departing pilot reported seeing them cross the runway, but doesn't think he hit any
@rbp This flight's meal choices are Opossum ala APU, or a delightful Goose Pate prepared by our #2 engine.
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if they use that new geared turbofan, they can roast it and grind it!
lol
I guess they will keep asking until someone reports feeling a bump
At least the airport cats at Brookhaven stay out of the movement areas
(the deer not so much apparently)
my friend showed me a youtube video of someone tipping over a cow with one wing while landing
18:43
And all we have at Republic are the airport birds (but I'm pretty sure they don't fly, they just sit in the overrun and grade landings all day. Probably lost their medicals.)
both cow and plane were unharmed
2
@DanHulme I wouldn't do that. Wings is expensive. :)
but the cow gave milkshake for the rest of that week
ah, they sent out the rescue truck to look for rabbit meat
rbp
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"my milkshake brings all the planes to the yard..."
rbp
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19:14
anyone know what this means: For both systems, the modulated frequencies are 90 Hz and 150 Hz.
ILS and glideslope
i thought it was 108-110mhz for the ILS
what is this 90 and 150 Hz?
presumably it's the signal that's modulated onto the carrier wave
@voretaq7 Nah.
@fooot I think your edit made this a better question and voted to reopen this.
rbp
rbp
19:55
@Farhan @fooot i cast the 5th vote to reopen
@rbp Cool.
@voretaq7 That seems to be copy-paste answers.
But yours aren't that long that they cannot accommodate a tiny horizontal bar ;)
@Farhan they've been copy/pasted from Server Fault to other places :)
not all of that material is original (some you'll find in any good networking textbook, it's as old as the internet), but a lot of it is.
rbp
rbp
the IPV4 answer is way too long!
host = dst & netmask; nw = dst & !netmask; gateway = routingtable.gw[i] until routingtable.mask[i]&&nw
or something like that
20:10
I spend a lot of time in this room and people star my posts in The Comms Room much more than here.
I finished classifying all of the towered airports that I could. Here's the spreadsheet. That was probably a waste of time. Looks like the slowest charlie is LAN (Lansing, MI). And the slowest bravo is ADW overall, though MCI (Kansas City) is the slowest civilian bravo.
3
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@Farhan what's The Comms Room for?
@BretCopeland It's not a waste of time. It has pretty colors and a lot of numbers. Just change the title and a sales guy would be really really happy.
rbp
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@BretCopeland mad skillz!
Not sure I'd call tediously filling out a spreadsheet to be skills.
20:13
@BretCopeland Doing it without going crazy and throwing your shoe through the monitor is.
(FAA! Y U NO PROVIDE AIRSPACE CLASSIFICATIONS FOR TOWERS?!)
rbp
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maybe because they change?
I really don't understand why some of these airports are classified as they are.
@BretCopeland ILG isn't in your list.
@Farhan row 284
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@BretCopeland can you please freeze row 8?
20:16
ugh, I don't remember how to do that on google docs
@BretCopeland View -> Freeze Rows
rbp
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View->Freeze Rows
what he said
@BretCopeland Thanks.
yeah, I just found it.
rbp
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@BretCopeland you're too sexy for your spreadsheet
20:20
What was that one towered airport which is Class E? I didn't notice any when going through, so I'm wondering if it's not in the list, or if I accidentally called it a delta.
rbp
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unlikely on the list
@rbp That's a room where all the system engineers talk and devise evil schemes to bug software engineers and make them abhor their decision to become software engineers.
I guess that was too honest.
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@Farhan we devs have a similar room!
@Farhan its called 'github'
20:35
@rbp These days not much, most of the surly regulars have abandoned it :)
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@voretaq7 how about pruning the 'self-citation' comments in this? aviation.stackexchange.com/a/11560/3504
I just did the math on the slowest charlie airspace. It says they had 33785 tower operations in 2013. That's 96 per day, or an average of 4 an hour (I sure it's higher during the day).
Busiest is 813 per day / 34 per hour.
@rbp Remind me to prune my comment about pruning the comments at some point :-)
@BretCopeland <mutters a disparaging remark about Islip's one Southwest flight per day> :-)
20:52
There, now I just added those columns to the spreadsheet.
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as far as I can tell, there's no restriction on what class airport an air carrier can land in, except thtat ETOPS alternates require the airport to have certain rescue and fire fighting ops: risingup.com/fars/info/part121-106-FAR.shtml
@rbp I'm not aware of any restrictions (other than the ETOPS ones you mentioned) unless they're in the carriers' ops specs
I'm pretty sure most of the regional carriers fly into uncontrolled fields at least some of the time. At the very least, sometimes they fly into fields when the tower is closed for the night.
@BretCopeland something something DCA Tower Naptime?
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KJAC closes at 10PM, and they definitely have some delayed flights that arrive after that
20:58
@voretaq7 yeah, uh, good luck with that.
@BretCopeland oh it was fine! :P
LGA is kind of a weird opposite. The tower is open 24/7, but I think they have a curfew. Though it can be lifted to accommodate big airspace delays.
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santa monica has a curfew too
@voretaq7 I get nothing on that link
I think LGA's curfew is voluntary like FRGs
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21:01
CURFEW: NO ENGINE STARTS OR DEPS EXPECT PPR LIFEGUARD FLTS 2300-0700 MON-FRI AND 2300-0800 WKENDS.
that's SMO
@BretCopeland Apparently all our traffic is crashing their server, try that one :P
yeah, that worked. I do kind of remember that story now.
Wasn't there kind of a wave of controllers falling asleep around that time?
I remember one or two other stories came up around that time yea
Quite frankly, I doubt there was anything at all unsafe about that controller falling asleep.
rbp
rbp
21:05
i'm actually not that worried about sleeping controllers
neither is @BretCopeland :)
If it's so slow that the controller is falling asleep, then the planes can probably manage on their own.
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although it would be nice to get a landing clearance once in awhile
Well I think if there's a need to keep the tower open there's clearly a need for two people to be in there (what if the controller eats a bad burrito and needs to run to the little ATCs room?)
but like @BretCopeland said if they're falling asleep clearly there's not enough traffic to keep them busy :)
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when there's no response from ATC, do we listen to 121.5?
rbp
rbp
21:08
well when ATC gets no response from airplanes, that's what they do!
@rbp I think the flights that landed at DCA had Approach try to wake the guy up on the landline and then just made uncontrolled calls for their landing.
^ that's what I would do.
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did anyone see the breaking bad episode re: ATC?
I think the real question here is "If a plane lands at DCA and there's nobody in the tower to record it in the movement logs, do they still get charged landing fees?"
(The answer at FRG, incidentally, is "No" :)
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and do they still get the "full TSA treatment"?
21:13
well, pilots falling asleep is a little more of a problem.
rbp
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wasn't there an aircraft that missed LAX and flew out into the pacific?
@BretCopeland [Insert clip of the drinking bird scene from The Simpsons here]
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22:02
@voretaq7 i got pedantic on your pedandic
@rbp I got pedantic right back :-)
(when in doubt I usually call them "approach" -- plus it's a whole syllable shorter! :P)
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@voretaq7 why not just leave it off all together? they don't care
"Norcal, 5-4-Bravo...."
you call departure when you're departing on an IFR departure, so they know what the hell is going on. "Norcal departure, we just departed foobar, like to pick up our clearance to XYZZY"
…I've actually never done that. (and it sounds weird to me - I think because both TRACON and Flight Service are "New York [something]" here)
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"Approach, 5-4-Bravo, with the booze news"
@rbp That's part of why I try to do it that way VFR too, hopefully it makes my intentions more obvious :)
rbp
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22:09
no argument, but there's no right way either
no, like I said "call me anything you like, just don't call me late for dinner"
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although as I said, the tracon sector is probably arrivals or departures, and rarely both
I doubt they'd even get pissy with IFR traffic over it - they're just happy if you're getting phraseology even half-correct around here :)
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regardless of what your airplane is doing.
N90 has a few combined positions (the ones that cover Islip are almost always combined, and sometimes mashed down so the north side and south side are one controller too)
rbp
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22:11
what's N()?
but we might have a teensy bit of an understaffing problem here...
@rbp A typo :P
NY TRACON
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ah
(with its glorious view of the...waste...incinerator)
That by the way is my very favorite part of the movie Pushing Tin. (In fact that little bit of comedy is the only thing that makes the movie at all bearable to watch)
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@voretaq7 is there really no Area Chart for NY??
@rbp the sector map? I'm sure it's out there somewhere...
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22:15
this is Republic:
NEW YORK APPROACH: 128.12 118.4 123.7 132.4 134.35
NEW YORK DEPARTURE: 125.7 123.7 134.35
that's why CRAFT
@rbp Yeah those look right - I know our departure is also JFK's approach. Islip is 118.0 (both ways), because they're the redheaded stepchild of the TRACON :)
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whats islip's field called?
also the DPs should have specific frequencies for that procedure
@rbp ISP
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118.0
@rbp yeah, for everything at ISP as far as I know (I'm not going to dig through the procedure list, but I'd be shocked if it's not)
There's also secondary VHF frequency that they use when 118.0 breaks but I can't remember it offhand (it's probably in the chart margin)
...yup, in the margin. 120.5 :)
(everything is in the chart margins :P)
22:26
@rbp People didn't get thrilled about the dog in your cockpit.
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@farhan no:(
@voretaq7 I guess the text at the bottom can be generalized.
@Farhan I use dogr.io
also I thought the dog question was a very good one.
@voretaq7 yea yea, that's why no one looked at my answer.
(Although I don't own an airplane or a dog.)
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22:32
@voretaq7 this is pretty intersting re: NY airspace nbaa.org/events/amc/2011/news/presentations/1011-Tue/…
@rbp I think I've seen that before :-)
also apparently the FAA has sufficiently licked their wounds since the last time they started soliciting opinions about a "New York Airspace Redesign" and they're allegedly going to try it again
(FOOLS)
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22:50
the NorCal work has been outstanding
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23:35
@voretaq7 i edited your overhaul/rebuild to cite the regs. feel free to integreate as you see fit :)
@rbp If you're feeling ambitious you might want to pull the definitions of "Overhaul" and "Rebuild" from FAR 1 :)
rbp
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@voretaq7 you underestimate me. i already looked. doesn't exist
(I was decidedly unambitious when I wrote that, and I'm still not feeling like spelunking through FAR 1. That section makes my brain hurt :P)
Really? I thought they were in there somewhere
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i will look again
>>> Maintenance means inspection, overhaul, repair, preservation, and the replacement of parts, but excludes preventive maintenance.
is the only thing i found
+1 for Peter for "Vehicles which carry their oxidizer with them are called rockets."
3
it might be an AC or Counsel Opinion - I vaguely recall something official about how only manufacturers could "rebuild" certain components (Engines among them)
rbp
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23:43
although it mimics the FAR
@rbp yup that's the one I think - the magic words are :
6) Manufacturer’s TC or Production Certificate (PC). May rebuild or alter any aircraft, aircraft engine, or propeller, or appliance manufactured by him under a TSOA, PMA, or product or parts specification, or perform any inspection required under part 91 or 125 while currently operating under a PC or approved production inspection system.
(under who is an "appropriately certificated person")
rbp
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that's also in the FAR
and k. Rebuilt Engines. Only engines that are rebuilt by a manufacturer holding an FAA production approval, an agency approved by the PAH, or an appropriately rated FAA-certificated agency can be considered as zero timed. (Reference § 91.421.)
all of it's in the FAR - all advisory circulars do is organize the FARs and sometimes add pretty pictures :-)
(Exception: AC 43.13)
rbp
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there you go
i knew i'd seen somehwere....
yeah I knew they said it somewhere, just couldn't remember where :)
Sometimes I'm amazed I can hold as many of the AC numbers in my head as I do :P
(or at least appropriate Google keywords to get a link to them)
OK.... what should this be tagged with instead of ?
25
Q: Why do airplanes not have manual transmission?

GeeoI have limited experience with flight simulators but I have never bumped into a plane with manual transmission while, on the contrary, it's very common for other means of transportation (like cars and bikes) that rely on engine with some form of transmission control. First of all, I'd like to k...

23:54
Change it to propulsion
<makes sour lemon face> do we really have a propulsion tag too? :P
Hmm... that one doesn't exists
I was thinking , but that doesn't seem quite right
I have look through the engine questions earlier today. Most are easy to change, as are doing right now.
There are two or three which are more difficult.
yeah I knocked out about 10 or 15 and I'll do a few more over the weekend
23:58
I'll do 10 or so now
I don't want to flood the front page with edits and bury new stuff because we're low traffic
Low traffic? We have 8000+ hits a day recently
Only a few new questions though...

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