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Strange METAR or TAF / METAR or TAF interpretation

Lhe in flight new version 20200705029300507 Hbdwcavtar 5338039634192457442 G ahau sml Q2 Images Xxtbvorhalle Gen ewokz Px Full sutton 14 aug 16 02a8e1dd 7ee1 422e a05a 493be4a0b3d3 Babypilotmedium Img 0194 Pca 24540 100953343273460 3071068 n 14088412 10210157214557190 9184994666847226039 n Ava Hammer outline 1 square Img 1186 Img 0164 Img 7269 Serenity 500px

EGKK 260502Z 2606/2712 VRB03KT 3000 BR FEW035 PROB30 2606/2607 0600 FG BKN001 BECMG 2607/2610 9999 NSW PROB30 2700/2707 5000 BR BECMG 2707/2710 10010KT TEMPO 2709/2712 7000 RA

Take a flight tomorrow (27th) after 0800Z.

This is interesting in two ways.

Firstly they have

BECMG 2607/2610 9999 NSW

and that extends all the way to the end of the TAF. Yet they have

TEMPO 2709/2712 7000 RA

but how can NSW be the case with RA, practically? Could there be RA with a cloudbase which was previously high enough to warrant NSW?

From here

If no significant weather is expected to occur during a specific time period in the forecast, the weather group is omitted for that time period. If, after a time period in which significant weather has been forecast, a change to a forecast of no significant weather occurs, the contraction NSW (No Significant Weather) will apear as the weatehr group in the new time period. However, NSW is only included in the BECMG or TEMPO groups.

I can't find a definition for NSW itself. It certainly isn't CAVOK but what are the requirements?

The other subtlety worth a mention is that the RA is forecast till 1200 but since the TAF itself is valid till 1200 also, the rain is in effect forecast to potentially exist past the end of the TAF.

Garmin GI275

Fd9f0717 5eef 4c0d 858d 319167b0f398 20200705029300507 Photo 2018 01 26 14 17 22 Img 7269 20190826 190957 Staffel6 Img 2991 Db0df647 d537 4842 9c7d 24ed2387cff1 Ikp Dsc00079 02a8e1dd 7ee1 422e a05a 493be4a0b3d3 Square white 1500px Avgas 8d034f28 433e 4b5c a77d 464dd58d46f0 Full sutton 14 aug 16 Head square N41518better G ahau sml 20200929 165241 5338039634192457442 Dub Lhe in flight new version

New stuff announced…

might put Bendix’s KI300 to bed for good…

Aviation cardiology discussion

20200705029300507 Photo from pete %281%29 Lhe in flight new version

From here

An ECG treadmill is about £300, plus the cardiologist report at maybe £200.

IIRC you are required to complete Bruce stages 1 2 3 and then you immediately report fatigue e.g. by saying your legs are sore. In theory you are supposed to continue until you collapse but it would be daft to do that, especially since – according to a retired AME I spoke to recently – the ECG will be crap by then and then a whole new can of worms opens with further (and very expensive) tests required.

There was a proposal years ago to do the ECG treadmill for all working ATPs but it was scrapped after – according to a CAA insider and a former AME I spoke to – it was determined 3.5% of them would have a heart attack on the treadmill.

Porsche's PFM 3200 engine

Pxl 20230104 232811496 Db0df647 d537 4842 9c7d 24ed2387cff1

With people converting LS1 and LS3 engines and Austro Engine converting Mercedes engines, I got curious if someone tried to convert an MA1.04 and to my surprise, Porsche made their own aviation engine.

On paper a Porsche boxer engine sounds like a great idea.

So what happened to the PFM 3200? Why are Porsche aviation engines not a thing ?

20200705029300507

Very few people use words like vexing, staple, contrivances, annals, scholars, and the use of “artisans” is definitely totally sickly-sweet BS which no normal person (i.e. outside of Marketing ) w…

Pilot
That’s great information, thank you! Looks like Lommis is a better bet…
Pilot
Really? That sounds wrong, it means that I would have to expect a possible1,500ft overcast even if CAVOK is forecast. That makes no sense and is not done that way anywhere.

I actually had a quick l…

Cw
just reviewed my logbook, and I’m about 1 day behind schedule… well, weather has been crap for quite some time around here too, and the season has not really started yet 😉

One of the many advantage…

Eaem square small
@A_and_C Beautiful upgrade! Which Robin model is that? Do you have an autopilot?
Angrybird 2

Now that’s seriously cool. Some 20 years ago I visited a club here in Norway that did something similar (not the Savannah though). One guy there just built aircraft all the time, financed by the c…

Img 2991
EGPWS/TAWS also requires GPS. MEL limitations may restrict operations without TAWS availability.
Pilot

But it is … at least in EASA land which is what I was referring to with the strange formulation in the regulations. Many cardiologists use a bike instead of a treadmill because it’s easier for the…