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Search: Posts Made By: 7478ti
Showing results 1 to 35 of 146
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Forum: Rumours & News
21st Mar 2022, 22:52
Replies: 604
Views: 1,071,153
Posted By 7478ti

Let's let facts and Data rule - not idle speculation

- Profound sympathy to the crew, pax and their families.
- More data is needed to even start any credible assessment. Like the distribution of remaining identifiable parts, any ATS communication,...
Forum: Rumours & News
9th Mar 2022, 04:27
Replies: 79
Views: 47,464
Posted By 7478ti

Helpful information... still lots of other...

Helpful information... still lots of other unknowns...

Would need to actually see the QAR or DFDR data to make any credible assessment of the fraction of responsibility to assign to design,...
Forum: Rumours & News
4th Mar 2022, 16:25
Replies: 79
Views: 47,464
Posted By 7478ti

Yes, it's very important to give the flight crew...

Yes, it's very important to give the flight crew the benefit of the doubt here, on performance in what appeared to be challenging weather conditions. But that said, this entire BA1307 A321 EGLL/LHR...
Forum: Rumours & News
8th Aug 2020, 22:50
Replies: 369
Views: 229,007
Posted By 7478ti

Let's await speculation for the accident investigation results?

Another accident that simply didn't need to happen. This event once again underscores the many decade need for GLS/GBAS, LAND3/AIII, RNP, and being able to land into the wind, ...perhaps also along...
Forum: Rumours & News
16th Feb 2020, 18:58
Replies: 69
Views: 171,257
Posted By 7478ti

9L/27R 12,799 x 164' (3901m x 50m) 9R/27L ...

9L/27R 12,799 x 164' (3901m x 50m)
9R/27L 12,008 x 164' (3660m x 50m)

by my old EGLL charts...
Forum: Rumours & News
16th Feb 2020, 18:41
Replies: 69
Views: 171,257
Posted By 7478ti

After having done this many times in the Whale,...

After having done this many times in the Whale, up to 48 kts direct cross, including even with #1 or #4 shutdown, .... e.g., at KEF, ....both manually and with A/L, ...it would be my advice that one...
Forum: Rumours & News
16th Feb 2020, 18:12
Replies: 69
Views: 171,257
Posted By 7478ti

Reported winds at the time?

Does anyone know the reported and actual winds and gusts at the time?
Forum: Rumours & News
29th Oct 2018, 19:59
Replies: 2,099
Views: 1,466,348
Posted By 7478ti

Sounds like it's time to wait for the CVR and FDR...

Sounds like it's time to wait for the CVR and FDR data... ?

and perhaps some well informed maintenance statements,

Witness statements (albeit often unreliable), might be helpful, and maybe even...
Forum: Rumours & News
30th Sep 2018, 22:41
Replies: 289
Views: 182,574
Posted By 7478ti

After having flown the Pacific for a whole...

After having flown the Pacific for a whole career, as well as known the extraordinary terrific capability of RNP and GLS/GBAS, to always provide a safe path to take a jet to the runway TDZ,... always...
Forum: Tech Log
31st Oct 2016, 06:39
Replies: 6
Views: 2,777
Posted By 7478ti

Added Comments on LAND3 versus LAND2 and the B737

Note that LAND 3 DOES NOT specifically mean 3 APs. Instead it means "Fail-Operational" capability. Similarly, LAND 2 does NOT specifically mean 2 APs. Instead LAND2 means "Fail-Passive" Capability....
Forum: Tech Log
27th Feb 2016, 19:41
Replies: 8
Views: 2,989
Posted By 7478ti

Ref Alert Height DA DH and autoland

For US operators,... See FAA AC120-28D. Normally, Alert Height (that is Operational use of AH, ...versus any value potentially considered for aircraft design or certification considerations) is not...
Forum: Aviation History and Nostalgia
27th Feb 2016, 19:19
Replies: 31
Views: 11,701
Posted By 7478ti

Only a "One time ferry flight" For a good reason

E1 (N7001U) needs to be ferried from the restoration facility at KPAE, to KBFI for the MoF for permanent display. It was less expensive and easier, with the local roads and bridges involved, to do a...
Forum: Aviation History and Nostalgia
27th Feb 2016, 17:40
Replies: 31
Views: 11,701
Posted By 7478ti

Next Wed tentative ferry Flight

Here's the latest I've received from Bob B, and the MoF info and releases...

WX pending,... the Boeing 727-22 prototype's Final Flight is scheduled for Wednesday, March 2nd at 10:30 AM. KPAE to...
Forum: Rumours & News
27th Feb 2016, 17:31
Replies: 746
Views: 788,326
Posted By 7478ti

VCV is home to lots of interesting stuff

VCV is home to lots of interesting stuff... not necessarily a sign of a boneyard!

For example, the superwhale and baby plastic jet were both recently extensively tested there (and the -8 even did...
Forum: Military Aviation
27th Feb 2016, 00:02
Replies: 268
Views: 142,815
Posted By 7478ti

Perhaps the press corps just missed placement of the decimal point?

Just like the A-11, A-12, and RS-71 (the SR-71 speech mistake of President Johnson)

Was it perhaps instead meant to be "B-2.1" ??

O:)
Forum: Tech Log
26th Feb 2016, 19:08
Replies: 60
Views: 16,805
Posted By 7478ti

Trident had AL, but it wasn't either the first or the best at the time

Yes, Trident did have AL, but it wasn't either the first AL, the first jet AL, or the first jet transport AL, or anything close to the best AL system at the time...

The Trident did however,...
Forum: Tech Log
26th Feb 2016, 17:23
Replies: 60
Views: 16,805
Posted By 7478ti

Well Stated aterpster, ref the B727 SP50/150

I concur... but note...

All we had back then was essentially the Caravelle Lear MC1, the Trident complete kluge of a mess, and the B707 PALS and PB-20, the HUD on Col. Klopstein's N262 trying to...
Forum: Tech Log
26th Feb 2016, 06:45
Replies: 60
Views: 16,805
Posted By 7478ti

Answers to aterpster (WR)

Q1:What was the target level of safety on those early auto-land systems? Were they fail operational?

A1:They all met AC20-57 or equivalent, as well as AC120-28 (as amended, depending on the year...
Forum: Tech Log
24th Feb 2016, 19:41
Replies: 24
Views: 15,528
Posted By 7478ti

That's also why we dropped MABH way back in the '80s

That's also why we dropped MABH way back in the '80s.

Low DHs below 50' HAT (e.g., 15 ft), where you're below the adjacent taxiway tail heights, and obstacles "fixed by their aeronautical purpose"...
Forum: Tech Log
24th Feb 2016, 19:26
Replies: 60
Views: 16,805
Posted By 7478ti

Answer to the FCTM question ref advice for AP Arming

At least as of the July 29, 2011 version of the FCTM, ...for which the advice likely remains the same and goes back at least to the initial availability of the EDFCS AP option,...

See FCTM...
Forum: Tech Log
24th Feb 2016, 03:07
Replies: 60
Views: 16,805
Posted By 7478ti

Contrary to myth, the Brits were not anywhere near being "first" with Autoland !!!!

WR... We ought to to talk!!! The Brits were nowhere near first to do either autoland or Cat III !!!

Col. Carl Crane was already doing autolands at Wright Field (Aug 23, 1937)
in a C-14... with...
Forum: Tech Log
24th Feb 2016, 02:46
Replies: 60
Views: 16,805
Posted By 7478ti

Normal (baseline) FCOM Procedure is to use dual AP for ILS/GLS

Reference the Cat I AP use comment... Not so. The normal (baseline) B737NG FCOM Procedure is to use dual AP for ILS/GLS regardless of reported WX. See typical FCOM page that (as of 2011 and before)...
Forum: Tech Log
23rd Feb 2016, 05:32
Replies: 24
Views: 15,528
Posted By 7478ti

This is all explained in AC120-28D !!!

This is all well explained in FAA AC120-28D (issued 13 June , 1999).

See section 4.3 of the AC in particular, reference use of an AH vs. a DH, for Fail-Op versus Fail-Passive. It also matters...
Forum: Rumours & News
23rd Feb 2016, 01:43
Replies: 6
Views: 3,417
Posted By 7478ti

Potential policy variances between legacy NWA and DAL?

Does anyone know if there may have been any historical "policy variances" between legacy NWA and DAL's procedures believed to be involved or have contributed to the controversy in the minds of these...
Forum: Rotorheads
23rd Feb 2016, 00:32
Replies: 77
Views: 15,149
Posted By 7478ti

Vortex Ring State and Windmill Brake State nicely explained

A good description of all this, and some very useful diagrams, are found in Wayne Johnson's book "Helicopter Theory", page 99 section 3-1.2.2 for Vortex Ring State, and on page 101 section 3-1.2.4...
Forum: Tech Log
22nd Feb 2016, 23:46
Replies: 9
Views: 10,632
Posted By 7478ti

Appropriate authority policy references

Intruder is correct in that these are some additional appropriate recent policy references to consider, ...but note that Op-Specs still are the controlling document for a particular carrier.

Note...
Forum: Rumours & News
22nd Feb 2016, 23:24
Replies: 6
Views: 3,417
Posted By 7478ti

Many thanks for the link

Thanks airb for the link and the reply...

I was hoping to perhaps see some followup with a credible explanation for the original source of the conflict (since both airline policy differences,...
Forum: Rumours & News
22nd Feb 2016, 21:38
Replies: 6
Views: 3,417
Posted By 7478ti

DAL B752 DL2598 Diversion to KSLC for "Crew" reasons

Any credible followup information on the DL2598 Jan 22, 2016 B752 diversion yet (KLAX to KMSP diverting to KSLC), as to the root cause of the conflict regarding the triggering "work issues" of the...
Forum: Tech Log
22nd Feb 2016, 15:53
Replies: 9
Views: 10,632
Posted By 7478ti

For US operations and US Operators see AC120-29A and AC120-28D

For US operations and US Operators, see FAA AC120-29A and AC120-28D.

For a particular operator, see their FCOM and approved Op-Specs Part C.
Forum: The Pacific: General Aviation & Questions
22nd Feb 2016, 15:50
Replies: 26
Views: 5,238
Posted By 7478ti

Long live RNP and GLS!!! O:)

Long live RNP and GLS, ...and the memory of obsolete, unnecessary, outrageously expensive WAAS, LPV, ....and soon even ILS!!!

O:)
Forum: Tech Log
22nd Feb 2016, 15:44
Replies: 100
Views: 78,528
Posted By 7478ti

It is the RNP capability and GLS that matter

Reference NAV, ...it is the RNP and GLS "CAPABILITY" that matters...

Note: not all RNP .1 is even equal. To actually fly real RNP based procedures (like the ones referenced),... The NG and Max...
Forum: Tech Log
22nd Feb 2016, 15:33
Replies: 60
Views: 16,805
Posted By 7478ti

Follow the FCOM and company policy.

Follow the FCOM and company policy.

In the NG it is virtually always best to use the best and full protection of the AP which is derived from using FAIL OP (with EDFCS) or dual channel FAIL...
Forum: Tech Log
22nd Feb 2016, 15:24
Replies: 24
Views: 15,528
Posted By 7478ti

LAND 3 to LAND 2 reversion response

The answer depends both on company policy and Op-Spec approval.

That is the reason why some operators elect to simply set the RA bug at 50' HAT (or equivalent, for the specific SIAP, underlying...
Forum: Flight Testing
22nd Feb 2016, 07:07
Replies: 7
Views: 6,389
Posted By 7478ti

B737 still the best RNP and GLS airplane in the fleet

And the B737NG/Max with EDFCS, and the latest FMS Ops Program, is still arguably the best RNP and GLS jet in the global fleet, especially when using HUD AIII to monitor LAND 3 !!!
Forum: ATC Issues
22nd Feb 2016, 06:45
Replies: 6
Views: 4,314
Posted By 7478ti

MLS (Mythical Landing System)

MLS, a system whose time has come,... and GONE. It is now an utter wast of time, energy, and money to invest in it any farther.

The industry having worked on MLS since the 40s, and personally...
Showing results 1 to 35 of 146
 
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