Search found 1421 matches

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by 77west
Sat Feb 04, 2023 8:02 pm
Forum: Civil Aviation
Topic: New Zealand Aviation - February 2023
Replies: 209
Views: 12379

Re: New Zealand Aviation - February 2023

. . . MEX being hot and high would significantly impact the viability of any MEX-SYD/MEL flights. Similar situation at DEN (which may be a factor for NZ to start there). But note that one of DEN's six(!) runways is fully 16,000 feet long, which I assume allows fully laden WBs at MTOW to depart. Or ...

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by 77west
Wed Feb 01, 2023 7:29 am
Forum: Technical/Operations
Topic: 747-100 JT9D-3A optimum cruise altitude?
Replies: 19
Views: 2656

Re: 747-100 JT9D-3A optimum cruise altitude?

I still think its amazing that the early 747's effectively had 4x 757 class engines. Almost like an early version of the A340-300

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by 77west
Tue Jan 31, 2023 12:41 am
Forum: Technical/Operations
Topic: ETOPS In Flight Shutdown Statistics
Replies: 48
Views: 3934

Re: ETOPS In Flight Shutdown Statistics

And just to be sure, are you saying that the 330 can fly unrestricted out to the maximum limit with the APU on MEL? If memory serves, the is a time reduction reduction for the 330 but I confess I may be wrong. We have no limit in our A330 MEL for an inop APU, however we only have ETOPS 180 on the A...

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by 77west
Fri Jan 27, 2023 9:59 am
Forum: Civil Aviation
Topic: New Zealand Aviation - January 2023
Replies: 702
Views: 58301

Re: New Zealand Aviation - January 2023

AIAL website not even loading right now; just goes round in circles then times out. I am surprised by the flooding at the airport; would have thought being relatively flat and near the coast it would not have piled up enough to cause flooding in the terminal building. The damage is gonna take a lot...

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by 77west
Fri Jan 27, 2023 9:28 am
Forum: Civil Aviation
Topic: New Zealand Aviation - January 2023
Replies: 702
Views: 58301

Re: New Zealand Aviation - January 2023

AIAL website not even loading right now; just goes round in circles then times out. I am surprised by the flooding at the airport; would have thought being relatively flat and near the coast it would not have piled up enough to cause flooding in the terminal building. The damage is gonna take a lot ...

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by 77west
Fri Jan 27, 2023 8:35 am
Forum: Civil Aviation
Topic: New Zealand Aviation - January 2023
Replies: 702
Views: 58301

Re: New Zealand Aviation - January 2023

Something is clearly wrong in AKL. Every domestic flight to AKL just turned around. Yes it seems more than just a runway light issue? it seems the flights later on tonight from SYD/MEL are still in eroute to AKL. The entire place is flooded to a couple feet deep. I am cringing thinking of the damag...

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by 77west
Fri Jan 27, 2023 7:56 am
Forum: Civil Aviation
Topic: New Zealand Aviation - January 2023
Replies: 702
Views: 58301

Re: New Zealand Aviation - January 2023

NZ9 apparently. Was not NZ9. Was a NZ flight from MEL. That'd make it NZ124 if that's the case Yup, their ground track looks to explain it better, drifted right just after the touchdown markers, that would shear off a few lights. https://www.flightradar24.com/data/flights/nz124#2efbe038 Again, glad...

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by 77west
Fri Jan 27, 2023 7:17 am
Forum: Civil Aviation
Topic: New Zealand Aviation - January 2023
Replies: 702
Views: 58301

Re: New Zealand Aviation - January 2023

NZ9 apparently. Looks like the last flight to land was D7 at 1731. NZ9 went to CHC? although looks like it did a go around? NZ124 landed about 10mins after the D7 flight so that seems to be the last to have landed. The NZ9 got as low as about 500ft from the ground attempting to land in AKL before d...

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by 77west
Fri Jan 27, 2023 7:00 am
Forum: Civil Aviation
Topic: New Zealand Aviation - January 2023
Replies: 702
Views: 58301

Re: New Zealand Aviation - January 2023

Poor weather in Auckland is making a lot of flights divert to CHC and WLG just now. The internationals seem to be diverting to CHC and domestic flights to WLG. Would have been cool seeing more of the widebody aircraft going to WLG but understandable they're not Apparently someone skidded on landing...

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by 77west
Fri Jan 27, 2023 6:39 am
Forum: Civil Aviation
Topic: New Zealand Aviation - January 2023
Replies: 702
Views: 58301

Re: New Zealand Aviation - January 2023

Poor weather in Auckland is making a lot of flights divert to CHC and WLG just now. The internationals seem to be diverting to CHC and domestic flights to WLG. Would have been cool seeing more of the widebody aircraft going to WLG but understandable they're not Apparently someone skidded on landing...

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by 77west
Tue Jan 24, 2023 7:10 am
Forum: Technical/Operations
Topic: Engine Derates and top-of-climb power
Replies: 80
Views: 4196

Re: Engine Derates and top-of-climb power

From my own experience on the 737 (CL and NG): When selecting takeoff power it is possible to choose a "fixed" derate, an assumed temperature thrust reduction, or both. Normally we take off with as little thrust as possible (to minimize engine stress/wear) but there are some situations wh...

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by 77west
Tue Jan 24, 2023 5:54 am
Forum: Technical/Operations
Topic: Engine Derates and top-of-climb power
Replies: 80
Views: 4196

Re: Engine Derates and top-of-climb power

I thought thrust ratings were pin selectable and could only be changed by maintenance ? There is an option depending on the model and if the airline has purchased it, to have for example on the 738 a 22K 24K and 27K option selectable, which can then be mixed with an assumed temperature derate as we...

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by 77west
Mon Jan 23, 2023 11:19 pm
Forum: Technical/Operations
Topic: Engine Derates and top-of-climb power
Replies: 80
Views: 4196

Re: Engine Derates and top-of-climb power

I'm wondering whether an engine derated for regional power - A330 Regional for instance - also has lower power at the top of its climb. Or does the derate only apply to absolute thrust values, which would only be relevant in denser air and lower speeds such as at takeoff. I would guess derate doesn...

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by 77west
Mon Jan 23, 2023 5:07 am
Forum: Technical/Operations
Topic: Engine Derates and top-of-climb power
Replies: 80
Views: 4196

Re: Engine Derates and top-of-climb power

I'm wondering whether an engine derated for regional power - A330 Regional for instance - also has lower power at the top of its climb. Or does the derate only apply to absolute thrust values, which would only be relevant in denser air and lower speeds such as at takeoff. I would guess derate doesn...

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by 77west
Fri Jan 20, 2023 9:33 pm
Forum: Technical/Operations
Topic: ETOPS In Flight Shutdown Statistics
Replies: 48
Views: 3934

Re: ETOPS In Flight Shutdown Statistics

Boeing used to issue a quarterly report that was very informative. It was somewhat hard to get ahold of, I got aceess at the airline I worked at, I don't think the general public had access. I think that perhaps one reason the information was restricted is that it exposed certain engine manufacture...

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by 77west
Fri Jan 20, 2023 9:11 pm
Forum: Civil Aviation
Topic: New Zealand Aviation - January 2023
Replies: 702
Views: 58301

Re: New Zealand Aviation - January 2023

Looks like Delta is finally confirmed for AKL-LAX. I'm surprised it's the A350. No confirmation yet on whether it's just seasonal or year round ( my money would be in seasonal, but we'll see) https://news.delta.com/delta-launches-first-ever-service-los-angeles-auckland-and-more-paths-popular-europe...

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by 77west
Thu Jan 19, 2023 6:21 am
Forum: Technical/Operations
Topic: 737-800 Single Engine landing
Replies: 15
Views: 1909

Re: 737-800 Single Engine landing

My non-pilot understanding - and hopefully someone would correct me if I am wrong - a first step to handle an engine problem is to reduce power to idle. It still triggers diversion requirement (although not as strict as full shutdown) under the assumption that a problematic engine could still run f...

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by 77west
Thu Jan 19, 2023 3:04 am
Forum: Technical/Operations
Topic: 737-800 Single Engine landing
Replies: 15
Views: 1909

Re: 737-800 Single Engine landing

It is possible they didn't actually shut it right down but just idled it.

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by 77west
Wed Jan 18, 2023 6:14 am
Forum: Civil Aviation
Topic: Boeings latest statement on the 787 MTOW increase
Replies: 254
Views: 40733

Re: High Thrust B787-9

The GE Version of the 787 engine has been undergoing a software change, which deal with fuel management, etc. It's not a thrust bump. United has implemented this on some (all?) of their 787-9 planes, which helps on the challenging flights (i.e. from JNB). I have not heard of RR releasing anything s...

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by 77west
Wed Jan 11, 2023 6:17 am
Forum: Civil Aviation
Topic: New Zealand Aviation - January 2023
Replies: 702
Views: 58301

Re: New Zealand Aviation - January 2023

I don't know if this has been said before, but a worker at AirNZ has told me all Dash 8s besides NEM are going to be repainted next month. This means no more teal Dash 8s. Sad... Bout time Why did they take so long again? In the past people thought they were leaving the fleet but seem to be around ...

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by 77west
Wed Jan 04, 2023 2:53 am
Forum: Civil Aviation
Topic: MOM aircraft discussion - 100t to 200t MTOW
Replies: 409
Views: 47590

Re: MOM aircraft discussion - 100t to 200t MTOW

OK so prediction of the future: A220 covers 100-180PAX, A321/A322 with new common wing covers 180-250PAX Boeing gives up on sub-180pax and the NMA/MoM whatever they call it, say 797, comes out in a 3-3 fuse very similar to the current A320 family, with a 200 all Y (slightly shorter than A321, longer...

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by 77west
Tue Jan 03, 2023 9:41 pm
Forum: Civil Aviation
Topic: MOM aircraft discussion - 100t to 200t MTOW
Replies: 409
Views: 47590

Re: MOM aircraft discussion - 100t to 200t MTOW

Don' stretch it too much. The lesson of the successful 757/767 twin program might be to better do two siblings with different layouts perfectly tailored for their market segments? There is a lot of room and market between the 737-10 and the 787. The success of the 757/767 is debatable. Boeing has a...

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by 77west
Tue Jan 03, 2023 7:01 am
Forum: Civil Aviation
Topic: MOM aircraft discussion - 100t to 200t MTOW
Replies: 409
Views: 47590

Re: MOM aircraft discussion - 100t to 200t MTOW

So left field question - what about a dual aisle design, 2-2-2 for premium but 3-3 in the back with a wider aisle. What would the absolute minimum width be for 17.3" seats in a 2-3-2? I am thinking slightly narrower than the 767, as some operators managed to cram 2-4-2 into that plane. (Boeing...

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by 77west
Tue Jan 03, 2023 4:15 am
Forum: Civil Aviation
Topic: New Zealand Aviation - January 2023
Replies: 702
Views: 58301

Re: New Zealand Aviation - January 2023

Looks like Wellington lived up to its reputation today with several diversions due to windshear

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by 77west
Tue Jan 03, 2023 2:45 am
Forum: Civil Aviation
Topic: MOM aircraft discussion - 100t to 200t MTOW
Replies: 409
Views: 47590

Re: MOM aircraft discussion - 100t to 200t MTOW

If you make it much wider than an A320 then tight 2 aisles become possible in the back with 737 Seating in 2-3-2 Y and then you can make a really nice 2x2x2 Y+, Y+ seems to be gaining a lot of traction. So left field question - what about a dual aisle design, 2-2-2 for premium but 3-3 in the back w...

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by 77west
Tue Jan 03, 2023 2:37 am
Forum: Civil Aviation
Topic: MOM aircraft discussion - 100t to 200t MTOW
Replies: 409
Views: 47590

Re: MOM aircraft discussion - 100t to 200t MTOW

The 321, itself a marginal plane (whoever on this site would want to end up in the last several rows?) I have flown on plenty of A321s. What is so bad about the last several rows compared to the last several rows of any other narrowbodied plane? Most likely the amount of time to get off after landi...

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by 77west
Tue Jan 03, 2023 12:52 am
Forum: Civil Aviation
Topic: MOM aircraft discussion - 100t to 200t MTOW
Replies: 409
Views: 47590

Re: MOM aircraft discussion - 100t to 200t MTOW

Personally I doubt we will ever see an 350 or 787 based MOM - however they make a lot more sense than a custom sized fuselage for MOM. Economies of scale would help both programs and development costs would be a lot less. The wide fuselage is not that big of a penalty. Personally I think Airbus cov...

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by 77west
Tue Jan 03, 2023 12:20 am
Forum: Civil Aviation
Topic: MOM aircraft discussion - 100t to 200t MTOW
Replies: 409
Views: 47590

Re: MOM aircraft discussion - 100t to 200t MTOW

Personally, I think the 787 and A350 fuselages are too wide for MOM, but I think it still needs to be a twin aisle aircraft. A couple years ago, Boeing said they were looking at the 230-270 seat capacity for MOM. I don’t know what sort of seating layout they were proposing for that seat count, but ...

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by 77west
Mon Jan 02, 2023 8:29 pm
Forum: Technical/Operations
Topic: N1 vs EPR
Replies: 11
Views: 1893

Re: N1 vs EPR

Check this out- https://theflyingengineer.com/flightdeck/cockpit-design-epr-vs-n1-indication/ Excellent article - thank you! That explains a lot. And then you have the A350 with its "synthetic" N1 readings to confuse us :) (I believe it averages out the thrust curve so 25% is actually 25%...

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by 77west
Mon Jan 02, 2023 6:02 am
Forum: Civil Aviation
Topic: MOM aircraft discussion - 100t to 200t MTOW
Replies: 409
Views: 47590

Re: MOM aircraft discussion - 100t to 200t MTOW - 2023

Almost certainly will end up being a wide narrowbody, IE a 6-Abreast with wider aisle to allow people and carts to pass easily / assist with boarding without going full twin aisle. I am not sure on how the technical aspects stack up once you get to a twin aisle, but it would seem if you end up there...

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by 77west
Mon Jan 02, 2023 4:18 am
Forum: Civil Aviation
Topic: Boeing 777X Testing/Production - 2023
Replies: 39
Views: 7517

Re: Boeing 777X Testing/Production - 2023

Thanks guys, I remember watching the first flight back just before we went into lockdown here in NZ so thought it would be well underway by now. Hopefully they can get it certified by this time next year.

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by 77west
Mon Jan 02, 2023 1:19 am
Forum: Civil Aviation
Topic: Boeing 777X Testing/Production - 2023
Replies: 39
Views: 7517

Re: Boeing 777X Testing/Production - 2023

What's actually the holdup right now?

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by 77west
Mon Jan 02, 2023 1:18 am
Forum: Civil Aviation
Topic: New Zealand Aviation - January 2023
Replies: 702
Views: 58301

Re: New Zealand Aviation Thread - January 2023

NF seems almost certain to fail this year, unless FJ buys them out? Alternatively, they may downsize? If they lose the 737, maybe they could do a VLI-NLK-AKL ATR-72 flight instead, presuming they keep the props! :lol: LOL.... no thanks. Lack of freight capacity would be one of the issues... as well...

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by 77west
Mon Jan 02, 2023 1:14 am
Forum: Civil Aviation
Topic: New Zealand Aviation - January 2023
Replies: 702
Views: 58301

Re: New Zealand Aviation Thread - January 2023

Looking ahead to 2023 ... - NF faces some sort of financial crisis and goes bust, leaving AKL without a link to VLI. Its sole leased 738 has proven unreliable in recent times - e.g. it was grounded for days last month. If this does eventuate, we may see NZ return to VLI. Did VLI ever fix there runw...

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by 77west
Sun Jan 01, 2023 9:21 pm
Forum: Civil Aviation
Topic: New Zealand Aviation - January 2023
Replies: 702
Views: 58301

Re: New Zealand Aviation Thread - January 2023

2023 New Zealand Aviation Predictions: - NZ will ‘officially’ place an order for a small 8-10 seater aircraft. More PR perspective of being green… - NZ will order additional a321NEO’s, maybe with some XLR’s added into the mix? - NZ will obtain 1-2 used 77W’s for the 2023/4 summer hoildays period, o...

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by 77west
Sat Dec 31, 2022 8:54 pm
Forum: Civil Aviation
Topic: New Zealand Aviation - January 2023
Replies: 702
Views: 58301

Re: New Zealand Aviation Thread - January 2023

2023 New Zealand Aviation Predictions: - NZ will ‘officially’ place an order for a small 8-10 seater aircraft. More PR perspective of being green… - NZ will order additional a321NEO’s, maybe with some XLR’s added into the mix? - NZ will obtain 1-2 used 77W’s for the 2023/4 summer hoildays period, o...

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by 77west
Sun Dec 25, 2022 11:05 pm
Forum: Civil Aviation
Topic: New Zealand Aviation Thread - December 2022
Replies: 374
Views: 41691

Re: New Zealand Aviation Thread - December 2022

ZKNZR wrote:
Looks like ZK-NZN might be stuck at JFK due presumably to the terrible winter storm through North America. 24 Dec NZ1 is yet to take to the skies, almost 24 hours delayed now.


So might end up with 2x NZ B789 on the ground at the same time at JFK. The hotels in NYC must be filling up really quickly.

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by 77west
Sun Dec 25, 2022 10:57 pm
Forum: Technical/Operations
Topic: Boeing 717BCF?
Replies: 14
Views: 2676

Re: Boeing 717BCF?

Understanding the aforementioned bear case and it’s higher probability, on the contrarian bull side it is interesting to consider that the MD80F STC occurred when the type was arguably “longer in tooth” relative to the 717 today. Therefore I don’t think the BCF can be completely ruled out. The mark...

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by 77west
Thu Dec 22, 2022 3:39 am
Forum: Civil Aviation
Topic: New Zealand Aviation Thread - December 2022
Replies: 374
Views: 41691

Re: New Zealand Aviation Thread - December 2022

https://www.stuff.co.nz/travel/news/300 ... r-nz-plane
-->

NZ flight to RAR diverted to Tonga with engineer and spar parts for grounded 787:

https://www.stuff.co.nz/travel/news/300 ... r-nz-plane

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by 77west
Wed Dec 21, 2022 8:16 am
Forum: Civil Aviation
Topic: Fiji Airways US Expansion
Replies: 90
Views: 11526

Re: Fiji Airways US Expansion

Andre Viljoen did a great job at all of the airlines he has run, considering several were subject to state meddling. He has and seems to be doing a great job with Fiji Airways, their branding, fleet and all around operations seem top notch for the South Pacific. I wonder if they could, in time, oper...

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by 77west
Tue Dec 20, 2022 8:23 am
Forum: Civil Aviation
Topic: New Zealand Aviation Thread - December 2022
Replies: 374
Views: 41691

Re: New Zealand Aviation Thread - December 2022

So just clarifying… those 772’s for NZ are definitely impossible to bring back as well now? As Asia opens up in the future, it’s just going to be interesting to see how NZ can operate to that market whilst maintaining US/AUS operations simultaneously given the 787 delays. On a side note; are there ...

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by 77west
Tue Dec 20, 2022 2:07 am
Forum: Civil Aviation
Topic: New Zealand Aviation Thread - December 2022
Replies: 374
Views: 41691

Re: New Zealand Aviation Thread - December 2022

Looks like Air Van B738 YJ-AV8 is all fixed up and doing its second SYD rotation of the day - brings me to question of if/when they will get the A220's ordered. I wonder if NZ would ever return to VLI. They dropped it several years back due to runway safety issues at VLI, but these have now been ad...

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by 77west
Mon Dec 19, 2022 8:35 am
Forum: Civil Aviation
Topic: New Zealand Aviation Thread - December 2022
Replies: 374
Views: 41691

Re: New Zealand Aviation Thread - December 2022

Looks like Air Van B738 YJ-AV8 is all fixed up and doing its second SYD rotation of the day - brings me to question of if/when they will get the A220's ordered. My friends group should hopefully be on the VLI-AKL flight once it gets to VLI.

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by 77west
Sun Dec 18, 2022 5:07 am
Forum: Civil Aviation
Topic: New Zealand Aviation Thread - December 2022
Replies: 374
Views: 41691

Re: New Zealand Aviation Thread - December 2022

You would think the government would have come through. I wonder what’s happened to the aircraft? So still no updates but I see an unmarked Cessna Citation has left BNE heading in the direction of Port Vila. I suspect this may be carrying the spare parts that YJ-AV8 needs. The airlines update from ...

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by 77west
Sun Dec 18, 2022 4:11 am
Forum: Civil Aviation
Topic: New Zealand Aviation Thread - December 2022
Replies: 374
Views: 41691

Re: New Zealand Aviation Thread - December 2022

https://www.ch-aviation.com/portal/news/119032-air-vanuatus-only-b737-under-threat-of-repossession They had 3 months to pay overdue leases, so hopefully that isn’t the reason it’s not flying now. Nothing showing for the last 7 days for it. Hmmm - that three months is up about . . . now. Though pres...

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by 77west
Sat Dec 17, 2022 8:18 pm
Forum: Civil Aviation
Topic: New Zealand Aviation Thread - December 2022
Replies: 374
Views: 41691

Re: New Zealand Aviation Thread - December 2022

https://www.ch-aviation.com/portal/news/119032-air-vanuatus-only-b737-under-threat-of-repossession They had 3 months to pay overdue leases, so hopefully that isn’t the reason it’s not flying now. Nothing showing for the last 7 days for it. Hmmm - that three months is up about . . . now. Though pres...

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by 77west
Fri Dec 16, 2022 8:40 pm
Forum: Civil Aviation
Topic: New Zealand Aviation Thread - December 2022
Replies: 374
Views: 41691

Re: New Zealand Aviation Thread - December 2022

Hi guys, what's up with Air Vanuatu's 737? I have friends there who were due back today but apparently the plane has mech issues and now they are only due back Wed?

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by 77west
Wed Dec 14, 2022 9:29 pm
Forum: Technical/Operations
Topic: Max wing loading (and modifications to it)
Replies: 3
Views: 890

Re: Max wing loading (and modifications to it)

Lift scales as the square of TAS. That means that if weight increases, TAS must increase as sqrt(weight). To get to that TAS, many stretches/HGW have more powerful engines, or accept longer rolls. Structurally, heavier variants often have the same geometry, but different thicknesses (e.g. 737-700 v...

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by 77west
Wed Dec 14, 2022 7:09 pm
Forum: Civil Aviation
Topic: New Zealand Aviation Thread - December 2022
Replies: 374
Views: 41691

Re: New Zealand Aviation Thread - December 2022

Foran did mention in another article recently. That they would use them first on re-linking HLZ to AKL. An old route last served with Eagle Air Beech 1900s. Not a bad idea; keeps them close to several major airports in case of issues and has a fairly small flight time. I loved using the old 1900D s...

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by 77west
Wed Dec 14, 2022 6:12 am
Forum: Civil Aviation
Topic: New Zealand Aviation Thread - December 2022
Replies: 374
Views: 41691

Re: New Zealand Aviation Thread - December 2022

Hard to see where Air NZ would use such relatively small aircraft. Unless they're planning to open up into smaller airports or massively increase frequencies. I think Sounds Air has a leg up on Air NZ in this with the ES-30 that have been ordered. Foran did mention in another article recently. That...

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