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Search: Posts Made By: 7478ti
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29th Oct 2018, 20:59
Replies: 2,100
Views: 1,160,450
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...
30th Sep 2018, 23:41
Replies: 289
Views: 143,092
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, 07:39
Replies: 6
Views: 2,159
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, 20:41
Replies: 8
Views: 2,457
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...
27th Feb 2016, 20:19
Replies: 31
Views: 10,650
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...
27th Feb 2016, 18:40
Replies: 31
Views: 10,650
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...
27th Feb 2016, 18:31
Replies: 741
Views: 712,630
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...
27th Feb 2016, 01:02
Replies: 123
Views: 72,915
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, 20:08
Replies: 60
Views: 10,758
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, 18:23
Replies: 60
Views: 10,758
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, 07:45
Replies: 60
Views: 10,758
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, 20:41
Replies: 24
Views: 7,380
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, 20:26
Replies: 60
Views: 10,758
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, 04:07
Replies: 60
Views: 10,758
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, 03:46
Replies: 60
Views: 10,758
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, 06:32
Replies: 24
Views: 7,380
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...
23rd Feb 2016, 02:43
Replies: 6
Views: 3,157
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, 01:32
Replies: 77
Views: 10,440
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
23rd Feb 2016, 00:46
Replies: 9
Views: 5,046
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...
23rd Feb 2016, 00:24
Replies: 6
Views: 3,157
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,...
22nd Feb 2016, 22:38
Replies: 6
Views: 3,157
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, 16:53
Replies: 9
Views: 5,046
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.
22nd Feb 2016, 16:50
Replies: 26
Views: 4,530
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, 16:44
Replies: 100
Views: 65,149
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, 16:33
Replies: 60
Views: 10,758
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...
Showing results 1 to 25 of 139
 


 
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