Search found 660 matches

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by SAAFNAV
Sun Apr 07, 2024 9:10 am
Forum: Technical/Operations
Topic: Your favorite approach
Replies: 53
Views: 2316

Re: Your favorite approach

The approach to Ciampino goes right over the cry and the Vatican, stunning views. The approach to Yeesterplaat AB (Afrikaans so) in Cape Town has a great view of Table Mt. flew around the bay and Cape of Good Hope one clear day doing an aerial photo shoot AFB Ysterplaat is the correct spelling. Mar...

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by SAAFNAV
Tue Feb 13, 2024 11:05 am
Forum: Civil Aviation
Topic: Plane Crash on I-75 in Naples, Florida
Replies: 150
Views: 24492

Re: Plane Crash on I-75 in Naples, Florida

VDemerest wrote:

This was not fuel starvation. You are not going to have fuel starvation with an ex-USAir check airman in the right seat in this scenario.


Because USAir has got no history of fatal accidents ever.

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by SAAFNAV
Fri Jan 19, 2024 7:50 am
Forum: Technical/Operations
Topic: Hawker Siddeley Trident
Replies: 16
Views: 2800

Re: Hawker Siddeley Trident

I have always had an interest in British aircraft design especially of the post war aircraft built by various manufacturers in the UK that seemed to have unique features not found in designs from other nations. From what I have seen from British aircraft, is that 'ergonomics' is not a British word....

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by SAAFNAV
Wed Jan 17, 2024 2:29 pm
Forum: Technical/Operations
Topic: 739 and 739 Max. Plug issue the same?
Replies: 25
Views: 4671

Re: 739 and 739 Max. Plug issue the same?

I'm surprised any doors on modern jets open outwards after the incident and crash involving the DC-10 Cargo doors in the 1970's. The Air Crash Documentary made it very clear that using the pressure to force them IN, rather than out is a much safer option. What is also clear, is that after they fixe...

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by SAAFNAV
Mon Oct 30, 2023 8:43 am
Forum: Technical/Operations
Topic: aluminium aircraft chocks?
Replies: 10
Views: 1907

Re: aluminium aircraft chocks?

If you've been around small planes a lot, you would have noticed so many pieces of angle-iron or angle-aluminum bent flat from repeatedly being driven over.
Also, once the metal is wet, it's extremely slippery.

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by SAAFNAV
Wed Sep 20, 2023 7:25 am
Forum: Technical/Operations
Topic: Weather avoidance
Replies: 37
Views: 2211

Re: Weather avoidance

I have never met or spoken to a pilot that knows what a dispatcher actually does or the hard work they do. Most assume dispatchers are lazy and let the automation do everything. A small minority do but the vast majority do all they can to use the tools available to stay as far from weather as possi...

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by SAAFNAV
Fri Jul 21, 2023 7:08 am
Forum: Technical/Operations
Topic: Pilot replacement question
Replies: 21
Views: 2770

Re: Pilot replacement question

Furthermore, CBP is one of the most inflexible organizations on Earth and I suspect their rigid application of the rules would override any common sense that might be present. Truer words haven't been spoken. I called the Nashville station the other day to get clearance for a plane. Firstly supper ...

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by SAAFNAV
Tue Jun 27, 2023 6:18 am
Forum: Civil Aviation
Topic: Ramp Employee Killed in SAT
Replies: 113
Views: 31442

Re: Ramp Employee Killed in SAT

Statisticians could probably compare the number of “ingestion” catastrophes regarding wing mounted engines versus catastrophes involving tail mounted engines. I personally cannot recount any tail mounted tragedies like this. We also don't see a lot of submarines involved in mid-air collisions... bu...

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by SAAFNAV
Wed Jun 21, 2023 9:09 am
Forum: Technical/Operations
Topic: How does thrust reversal create deceleration force?
Replies: 42
Views: 5021

Re: How does thrust reversal create deceleration force?

I still cannot understand how taking a fluid (air) from one direction and expelling it in the same direction provides thrust. Sorry for sounding argumentative, it's really not my intention. Because the air isn't simply moving through the engine. By adding massive amounts of energy (burning fuel), y...

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by SAAFNAV
Tue May 09, 2023 5:15 am
Forum: Technical/Operations
Topic: Propeller aircraft with leading edge slats?
Replies: 24
Views: 3895

Re: Propeller aircraft with leading edge slats?

https://youtu.be/URIp9tvO13Q?t=134
-->

Nobody mentioned the An-2 with auto-slats?
Can't find a nice picture, but clearly visible at 2:14

https://youtu.be/URIp9tvO13Q?t=134

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by SAAFNAV
Mon Apr 24, 2023 1:57 pm
Forum: Technical/Operations
Topic: Minimums for RNAV Z 13L at JFK
Replies: 11
Views: 2408

Re: Minimums for RNAV Z 13L at JFK

Thank you everyone. The minimums I posted were taken from ChatGPT. Sorry about that. Ai still needs to improve I guess. Why would you use ChatGPT when the charts are very readily available? Because I'm still learning and wasn't sure where in the chart were the minimums shown. I don't think anybody ...

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by SAAFNAV
Thu Mar 16, 2023 7:48 am
Forum: Technical/Operations
Topic: Tu-114 prop question
Replies: 9
Views: 3011

Re: Tu-114 prop question

My guess is, that the props could be disconnected from the gearbox. Same as an ATR-42/72, which has no APU, can disconnect the prop from the engine no.2, so engine no.2 can run on the ground and be used as an APU for air condition and electrical generators, while the prop is not turning. So if I am...

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by SAAFNAV
Mon Nov 21, 2022 8:26 am
Forum: Civil Aviation
Topic: LATAM A20N ground collision during takeoff run at LIM
Replies: 262
Views: 62107

Re: LATAM A20N ground collision during takeoff run at LIM

I'm 99% sure the aircraft will be a W/O. Look at these pictures https://twitter.com/RosendoChV/status/1593711371358699530 https://twitter.com/RosendoChV/status/1593712246324084738/photo/1 The second picture is quite a dumb and inapproppriate selfie, but note how the entire number 2 engine is missin...

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by SAAFNAV
Mon Oct 31, 2022 5:11 am
Forum: Technical/Operations
Topic: South African Air Force 707
Replies: 6
Views: 2310

Re: South African Air Force 707

Those B707's were also used for EW purposes. 'The cheeks housed the Automatic ELINT Emitter Locating System (AEELS) systems only. According to Jane`s, the SAAF ELINT 707s also used the Elta 8300 ELINT suite.' https://www.saairforce.co.za/the-airforce/aircraft/13/boeing-707-328c https://en.wikipedia....

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by SAAFNAV
Tue Oct 04, 2022 12:35 pm
Forum: Technical/Operations
Topic: Fictional scenario PC-24 emergency take off (novel related)
Replies: 16
Views: 3306

Re: Fictional scenario PC-24 emergency take off (novel related)

It was an essential air service route, so landing and departing even though no passengers deplaned or boarded counted as a completion for the airline to get paid on the EAS contract. It was routine to get a cruise clearance to the next airport before landing, we were landing at ABC airport and the ...

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by SAAFNAV
Tue Oct 04, 2022 8:55 am
Forum: Technical/Operations
Topic: Fictional scenario PC-24 emergency take off (novel related)
Replies: 16
Views: 3306

Re: Fictional scenario PC-24 emergency take off (novel related)

I have done 1 minute turns at outstations in a 1900 (19-passenger turboprop) and completing all required checklists and paperwork. We would land, block in shut down #1 leave #2 running. FO exits to do post flight/preflight. While the FO is doing the post flight / preflight walk around, the agent ha...

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by SAAFNAV
Tue Oct 04, 2022 7:24 am
Forum: Technical/Operations
Topic: Cost to be visible on FlightRadar24
Replies: 7
Views: 3531

Re: Cost to be visible on FlightRadar24

rjsampson wrote:
ADSBExchange has more transmitters than FR24 and will pick up more traffic (including military).


Assuming you meant ADS-B receivers..

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by SAAFNAV
Tue Jun 21, 2022 5:58 am
Forum: Technical/Operations
Topic: Why do we "check in?"
Replies: 72
Views: 9609

Re: Why do we "check in?"

Ryanair (and other European (U)LCCs afaik) allow online check in weeks before the flight. Actually kind of push you to do it as on site check in is ridiculously expensive. This makes check in utterly meaningless for actual prediction of who shows up and who doesn't. Bag drop / security scan of boar...

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by SAAFNAV
Tue Jun 07, 2022 5:36 pm
Forum: Civil Aviation
Topic: Ryanair forcing South Africans to do Afrikaans tests to prove passports are real
Replies: 116
Views: 16316

Re: Ryanair forcing South Africans to do Afrikaans tests to prove passports are real

As a native Afrikaans-speaking South African, I do find the expert opinions about SA from foreigners amusing. From the handful of South African's here, I'm glad for the Jamie Uys movies reference and the solid info about the country. This is the list of the real questions that should've been asked -...

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by SAAFNAV
Mon May 09, 2022 1:01 pm
Forum: Technical/Operations
Topic: Empty Weights between first and last off the line
Replies: 17
Views: 3974

Re: Empty Weights between first and last off the line

Seems like it would be hard to find an apples-to apples comparison in a lot of cases. Many manufacturers have different basic specifications like fuel tank configurations, number of lavatories and placement, and different versions of the same engine. It would be kind of rare for the first and last ...

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by SAAFNAV
Wed May 04, 2022 2:07 pm
Forum: Technical/Operations
Topic: Languishing predator that once conquered the fourholers' empire - the future of Boeing 777
Replies: 9
Views: 5203

Re: Languishing predator that once conquered the fourholers' empire - the future of Boeing 777

IADCA wrote:
If I have time to read 7306 words (literally), I'll spend it reading 10% of a novel.


It's like a wikipedia entry, but without the punch-line

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by SAAFNAV
Thu Mar 24, 2022 1:46 pm
Forum: Technical/Operations
Topic: airplane gliding
Replies: 43
Views: 6571

Re: airplane gliding

Considering these glider flypasts, and no engine to power them: https://www.youtube.com/watch?v=W4bt4ac8Aps and this plane with a double engine 'failure' landing without crashing https://www.youtube.com/watch?v=brsY7CZrxLA, I`d say there's some pretty sinister forces at work. We must launch a probe ...

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by SAAFNAV
Tue Jan 18, 2022 9:09 am
Forum: Technical/Operations
Topic: Airliner ferry
Replies: 10
Views: 2432

Re: Airliner ferry

tmu101 wrote:
Are ferry flights run as Part 25 flights normally? Can they be run under Part 91?


As Part 25 is about Airworthiness Standards for Transport Category Airplanes, it would be pretty hard to fly under that rules.

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by SAAFNAV
Tue Nov 09, 2021 7:15 am
Forum: Technical/Operations
Topic: Procedures if a sick/incapicated pilot or co-pilot in flight ?
Replies: 15
Views: 3260

Re: Procedures if a sick/incapicated pilot or co-pilot in flight ?

Jokes aside, I think that what the OP outlined seemed pretty reasonable. However, what if there is no doctor on board? In that case I would assume that the FAs would try to help by doing CPR. (Any FAs/pilots on here can correct what I'm saying) and I think pilots also have to have basic first aid k...

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by SAAFNAV
Tue Sep 28, 2021 7:55 am
Forum: Technical/Operations
Topic: Did the DC-8 and DC-10 have the largest passenger windows of all commercial jetliners?
Replies: 15
Views: 4065

Re: Did the DC-8 and DC-10 have the largest passenger windows of all commercial jetliners?

Keep in mind a household vacuum cleaner generates more suction differential than from sea level to space. If you put your hand over that, you are obviously not getting sucked through. A CR2 widow is pretty small, and if that were the extent of the failure, you could cover it with an iPad an be fine...

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by SAAFNAV
Mon Aug 30, 2021 7:40 am
Forum: Technical/Operations
Topic: Why were/are there many shady airlines in some 3rd world countries?
Replies: 16
Views: 4658

Re: Why were/are there many shady airlines in some 3rd world countries?

Now, I guess I could go on and on about different shady airlines and I'm sure you guys also know some too. But, my question is, why are these airlines even allowed to operate? I get that the aviation regulators in 3rd world countries may be different and likely more lax in terms of security, but st...

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by SAAFNAV
Mon Aug 16, 2021 8:33 am
Forum: Technical/Operations
Topic: Why were/are there many shady airlines in some 3rd world countries?
Replies: 16
Views: 4658

Re: Why were/are there many shady airlines in some 3rd world countries?

Now, I guess I could go on and on about different shady airlines and I'm sure you guys also know some too. But, my question is, why are these airlines even allowed to operate? I get that the aviation regulators in 3rd world countries may be different and likely more lax in terms of security, but st...

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by SAAFNAV
Fri Aug 13, 2021 1:29 pm
Forum: Civil Aviation
Topic: AA Crew Restrains 13 y/o To His Seat OGG-LAX
Replies: 117
Views: 16326

Re: AA Crew Duct Tapes 13 y/o To His Seat OGG-LAX

Duct taping any passenger to a seat, as happened on F9 last week, and now on AA this week seems like a huge liability issue. What happens in the event of an emergency evacuation if crew can't get the tape removed in time and the passenger is stuck? Not sure if this was answered, but not going throu...

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by SAAFNAV
Mon Jul 05, 2021 5:39 pm
Forum: Civil Aviation
Topic: Silk Way Airlines 747 Freighter Engine Failure, RTO and Burst Wheels
Replies: 26
Views: 6005

Re: Silk Way Airlines 747 Freighter Engine Failure, RTO and Burst Wheels

Can someone explain the propose of the tires deflating? I searched fuseable plugs and understand their purpose in a boiler. During a RTO is the air inside the tires so hot that it needs to be released, before the tires are damaged? I can see why brakes pads would be hot, but don’t see the connectio...

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by SAAFNAV
Wed Jun 30, 2021 9:05 am
Forum: Technical/Operations
Topic: How much does a typical airline pilot know about his/her aircraft?
Replies: 22
Views: 4867

Re: How much does a typical airline pilot know about his/her aircraft?

I would say the entire philosophy changed with the introduction of first generation aircraft. In the steam gauge era, pilots were encouraged to troubleshoot problems. With the glass introduction, that philosophy disappeared. Simply put, if you can’t fix it in the cockpit, you don’t have to know how...

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by SAAFNAV
Tue May 04, 2021 2:29 pm
Forum: Technical/Operations
Topic: EASA Enigma - Any specific reason?
Replies: 14
Views: 2932

Re: EASA Enigma - Any specific reason?

Interesting points of view, can't say I agree with all of them.

Sometimes one has to wonder if there isn't more job security and career progression driving trains of building organs than there is being a pilot.
But alas, if flying is in your blood...

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by SAAFNAV
Mon May 03, 2021 11:08 am
Forum: Technical/Operations
Topic: EASA Enigma - Any specific reason?
Replies: 14
Views: 2932

Re: EASA Enigma - Any specific reason?

Yeah I agree it's a bit unfair. As I mentioned in another thread, license conversion is as complicated as flying the plane. For one thing though, the EASA exams are significantly more complex than, say, the FAA one. By requiring the exams from every country, I suppose EASA avoids singling out parti...

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by SAAFNAV
Mon May 03, 2021 7:28 am
Forum: Technical/Operations
Topic: EASA Enigma - Any specific reason?
Replies: 14
Views: 2932

EASA Enigma - Any specific reason?

I'm moving to Austria in a month, and coming from an ICAO-compliant country, the process to get my CPL with ATPL subjects, instructor rating etc on to the EASA license looms like a big and expensive mountain. As I have to do all the theory and ground school again, just in order to write the exams in...

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by SAAFNAV
Thu Apr 08, 2021 11:11 am
Forum: Technical/Operations
Topic: Extension of flaps and landing gear during turns on large aircraft
Replies: 18
Views: 4079

Re: Extension of flaps and landing gear during turns on large aircraft

Zero limits within the aircraft limits. The plane, even in a turn, is symmetrically loaded, why wouldn’t they go out? We’d put the crazy gear and flaps on a C-5 at 45 degrees of bank turning tactical arrivals. Even with aero elasticities, flight controls including high lift devices are designed as ...

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by SAAFNAV
Thu Mar 18, 2021 12:07 pm
Forum: Technical/Operations
Topic: Door Latch Question
Replies: 18
Views: 3750

Re: Door Latch Question

Interesting! Seeing the responses of most, it is: 1. A known issue but no cause for alarm. 2. It is seen to have a low risk/impact even with seldom occurrence. 3. No permanent fix available nor planned terminating action in the near future (linked to item 1 and 2). Had a fun read to learn a thing o...

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by SAAFNAV
Wed Mar 10, 2021 7:39 am
Forum: Civil Aviation
Topic: ORD people mover
Replies: 59
Views: 12509

Re: ORD people mover

Also, why is it that every post about the people mover turns into a thread to bash the whole city? I may be biased since Chicago is my hometown (though I don't live there any longer), but stop parroting whatever random news article about Chi-raq you've read. It doesn't help understand how this proj...

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by SAAFNAV
Sun Feb 21, 2021 7:15 am
Forum: Technical/Operations
Topic: Have you ever had a "Tensed Situation" during your flight ? How did you deal with it ?
Replies: 42
Views: 65417

Re: Have you ever had a "Tensed Situation" during your flight ? How did you deal with it ?

Phew !! These incidents are quite on another level all together...thanks for sharing Mr SAAFNAV Oh yeah, I forgot the time we had a missile launch warning on short final into Bangui, CAR during the Seleka rebel uprisings. Confirmed SA-7's in the area and we had no IR decoy flares. On the flight out...

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by SAAFNAV
Sun Feb 21, 2021 6:50 am
Forum: Technical/Operations
Topic: Have you ever had a "Tensed Situation" during your flight ? How did you deal with it ?
Replies: 42
Views: 65417

Re: Have you ever had a "Tensed Situation" during your flight ? How did you deal with it ?

I'll say a cargo fire on-board was the worst experience I've had. Cruising at FL250, just passed Ndola airport in Zambia when the loadmaster reported smoke. From the first call to evacuation was 12minutes, including a shortened NDB approach. The helicopter tug we had on board had a short-circuit in ...

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by SAAFNAV
Sat Feb 13, 2021 2:49 pm
Forum: Technical/Operations
Topic: The Magic of "CAT IIIB"
Replies: 281
Views: 20835

Re: The Magic of "CAT IIIB"

Mr IAH already answered you in one of the original replies: I do have a Private License with around 1,500+ hours mostly in single engine Cessna's, Pipers, Moony, Twin Engine Cessna's, few hours in BE90 right seater and quite a few hours in CO level D MD80, B735, B738, B752 and B788 sims (very luck i...

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by SAAFNAV
Fri Feb 05, 2021 11:02 am
Forum: Technical/Operations
Topic: Can someone explain all the components of this ORD METAR?
Replies: 29
Views: 4994

Re: Can someone explain all the components of this ORD METAR?

Universal time is a time standard, defining the duration of time. Time standards can be derived from various sources, and in history started with the obvious like the sun's daily position, the stars' position etc. Universal time is based upon the earth's rotation with regards to distant celestial o...

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by SAAFNAV
Thu Feb 04, 2021 5:39 pm
Forum: Technical/Operations
Topic: Can someone explain all the components of this ORD METAR?
Replies: 29
Views: 4994

Re: Can someone explain all the components of this ORD METAR?

[quote="SAAFNAV"][/quote] Added from Wiki: https://en.wikipedia.org/wiki/Universal_Time UT0 is Universal Time determined at an observatory by observing the diurnal motion of stars or extragalactic radio sources, and also from ranging observations of the Moon and artificial Earth satellites...

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by SAAFNAV
Thu Feb 04, 2021 4:44 pm
Forum: Technical/Operations
Topic: Can someone explain all the components of this ORD METAR?
Replies: 29
Views: 4994

Re: Can someone explain all the components of this ORD METAR?

What is the UTx convention? What’s UT1, for example. What was wrong with using GMT and Z? GMT and Zulu time zones are just that, time zones based on longitude and some somewhat arbitrary squiggles for convenience. Universal time is a time standard, defining the duration of time. Time standards can ...

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by SAAFNAV
Thu Feb 04, 2021 7:31 am
Forum: Technical/Operations
Topic: Can someone explain all the components of this ORD METAR?
Replies: 29
Views: 4994

Re: Can someone explain all the components of this ORD METAR?

Is it that hard? And what language should the decoded form be in? BR is mist, comes from brume in French, should it be spelled mist or brume? Admittedly, it’s weather geeks or scientists (choose your term of art) in charge of this stuff. It’s in French because like UTC, we wouldn’t want it all in E...

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by SAAFNAV
Thu Feb 04, 2021 7:07 am
Forum: Technical/Operations
Topic: Calling out 80 knots
Replies: 39
Views: 9236

Re: Calling out 80 knots

Incapacitation check? The dude or dudettes literally just started the takeoff roll, with numerous and often interrelated steps required between PF and PM, such as turning on the auto throttles. Pretty sure the 80 knot call a few seconds later isn't to make sure the other pilot is 'still there'. You...

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by SAAFNAV
Sat Jan 30, 2021 1:31 pm
Forum: Technical/Operations
Topic: Lavatories / Galleys in smaller freight aircraft?
Replies: 10
Views: 2999

Re: Lavatories / Galleys in smaller freight aircraft?

Sure, our planes are freighters converted for pax use :D I guess it's part of the glamour of a being a cargo dog - take an empty water bottle with at all times and just get out of the seat for a few minutes. There are more sophisticated devices on the market, or you can do what fighter pilots do: st...

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by SAAFNAV
Sat Jan 30, 2021 7:04 am
Forum: Technical/Operations
Topic: Lavatories / Galleys in smaller freight aircraft?
Replies: 10
Views: 2999

Re: Lavatories / Galleys in smaller freight aircraft?

Heck, even our big (relative to your post) C-130's/L-382's don't have toilets. There is a urinal and a steel porta-potty thing. But in reality you either wait until you land (but most places that require a C-130 don't exactly have good bathrooms), or you and your refuse bag take a walk of shame to t...

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by SAAFNAV
Thu Jan 28, 2021 4:53 pm
Forum: Technical/Operations
Topic: Saudia Flight 163 HZ-AHK Accident Analysis
Replies: 34
Views: 4584

Re: Saudia Flight 163 HZ-AHK Accident Analysis – Part III

Ok, I'll bite. What is your angle here? As you've probably noticed, there is not a great polemic going on. I'm sure most people here that would be interested in the accident have already read the report - the one you are reciting now. If you start people telling what you busy uncovering etc, you mig...

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by SAAFNAV
Wed Jan 27, 2021 9:11 am
Forum: Technical/Operations
Topic: A220-100 is the new 757-200
Replies: 47
Views: 7144

Re: A220-100 is the new 757-200

still do not understand how change Vmin-control can change V1, which in any case controllable. Because the lowest V1 must be greater or equal that Vmc. So suppose you are able to get a lower V1, you still have to make it artificially higher to satisfy Vmca requirements. If you can bring down Vcma b...

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by SAAFNAV
Fri Nov 20, 2020 6:50 am
Forum: Technical/Operations
Topic: C130H vs C130J speed
Replies: 18
Views: 5377

Re: C130H vs C130J speed

Example 1; 4-5 weeks back; a train of five C-130s (one Dutch, four USAF) paradropping at night over Poland. They maintained low speed for 1-2 hrs solid. Not in the same class as full a P-3 patrol, but it wasn't just open the doors, chuck the men out, and speed up again. Example 2; last night; a USM...

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by SAAFNAV
Mon Nov 16, 2020 8:18 am
Forum: Technical/Operations
Topic: Why can't flight data and CVR record be sent to the ground stations continuously by satellite and/or VHF?
Replies: 50
Views: 4453

Re: Why can't flight data and CVR record be sent to the ground stations continuously by satellite and/or VHF?

This seems to be an oft repeated discussion here.

Just like security cameras, flight recorders are only useful after the fact. It does not prevent the accident from happening in the first place.

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