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Forum: Tech Log
11th Dec 2010, 13:01
Replies: 88
Views: 37,642
Posted By V1... Ooops

Hello Pete: I don't think there is a...

Hello Pete:

I don't think there is a reference in the Revision 52 (current version) AFM or the current version Supplementary Operating Data that addresses how long to wait to allow fuel to settle...
Forum: Tech Log
2nd Dec 2010, 15:50
Replies: 88
Views: 37,642
Posted By V1... Ooops

Hi Pete: I would highly recommend that the...

Hi Pete:

I would highly recommend that the operators of those aircraft consider fitting Mod 6/1831. That would address the root of the problem, and eliminate any perceived need by the pilots to...
Forum: Tech Log
2nd Dec 2010, 01:36
Replies: 88
Views: 37,642
Posted By V1... Ooops

MachTwelve (what is your first name, anyway?): ...

MachTwelve (what is your first name, anyway?):


The procedure you refer to for 'inflight propeller reversal' (item 3.2.3 at revision 43 status) is totally unrelated to the beta backup system...
Forum: Tech Log
1st Dec 2010, 04:44
Replies: 88
Views: 37,642
Posted By V1... Ooops

MachTwelve: You ask some very reasonable...

MachTwelve:

You ask some very reasonable questions. I'm going to try my best to answer them, however, because it is no secret here in the forum where I work or what I do at work, I am going to...
Forum: Tech Log
28th Nov 2010, 23:25
Replies: 88
Views: 37,642
Posted By V1... Ooops

Hello MachTwelve: There is a difference...

Hello MachTwelve:

There is a difference between "depowering" the beta backup system in accordance with the MMEL you refer to, and the "disarming" of the beta backup system that takes place during...
Forum: Tech Log
23rd Oct 2010, 18:06
Replies: 88
Views: 37,642
Posted By V1... Ooops

Correct, but that is more an 'effect' rather than...

Correct, but that is more an 'effect' rather than a cause. Because the system is designed only for use during take-off, and because the system has to allow a rejected take-off to be carried out...
Forum: Tech Log
23rd Oct 2010, 15:16
Replies: 88
Views: 37,642
Posted By V1... Ooops

Jsmitty: During the take-off phase of...

Jsmitty:

During the take-off phase of flight, the aircraft has low kinetic energy and low potential energy. Hence the benefit of the autofeather system promptly identifying and feathering an...
Forum: Tech Log
27th Sep 2010, 16:30
Replies: 88
Views: 37,642
Posted By V1... Ooops

This has been my experience as well - if the...

This has been my experience as well - if the operating regulations require two pilots, then both pilots can log time appropriatly (PIC/SIC). The operating regulations (2 pilots required) trump the...
Forum: Tech Log
22nd Sep 2010, 00:20
Replies: 88
Views: 37,642
Posted By V1... Ooops

Hi Rupert: I'm not sure why the PM feature...

Hi Rupert:

I'm not sure why the PM feature is not working.

I sent you a PM containing my direct email address.

Michael
Forum: Tech Log
12th Sep 2010, 20:41
Replies: 88
Views: 37,642
Posted By V1... Ooops

No, it's factual. For any given wing (flap...

No, it's factual. For any given wing (flap setting) configuration, there will be one speed only that gives best rate of climb. In the case of the Twin Otter wing, in combination with a 620 HP limit...
Forum: Tech Log
4th Aug 2010, 05:22
Replies: 88
Views: 37,642
Posted By V1... Ooops

It depends on what you are trying to accomplish,...

It depends on what you are trying to accomplish, and what the circumstances are.

The aircraft achieves best rate of climb when in the flaps 10 configuration at 80 KIAS. It doesn't matter how many...
Forum: Tech Log
2nd Jun 2010, 04:10
Replies: 88
Views: 37,642
Posted By V1... Ooops

The Series 400 will be appended to the existing...

The Series 400 will be appended to the existing type certificate for the preceding versions (1, 100, 110, 200, 210, 300, 310, 320) of DHC-6 aircraft.

Certification is not my speciality, but to the...
Forum: Tech Log
10th May 2010, 09:45
Replies: 88
Views: 37,642
Posted By V1... Ooops

I know exactly how you feel... :) The...

I know exactly how you feel... :)

The intercom on the Series 400 Twin Otter is voice activated. I was pretty sceptical about this idea when I heard that this was the way that the Honeywell KMA-29...
Forum: Tech Log
10th May 2010, 01:36
Replies: 88
Views: 37,642
Posted By V1... Ooops

We're installing the H10-13.4 as standard...

We're installing the H10-13.4 as standard equipment, along with the panel mount power module, which is located behind the pilots in the same places as the receptacles have historically been.

I've...
Forum: Tech Log
9th May 2010, 01:46
Replies: 88
Views: 37,642
Posted By V1... Ooops

No, there is no obligation to wear the headsets...

No, there is no obligation to wear the headsets that are supplied with the aircraft. The David Clark noise cancelling headsets (their top of the line model) connect to a David Clark fitting that is...
Forum: Tech Log
8th May 2010, 10:47
Replies: 88
Views: 37,642
Posted By V1... Ooops

Do you mean the beta backup valve? That system...

Do you mean the beta backup valve? That system has been deleted from the Series 400 Twin Otter. You still get annunication when the propellers are in the ground fine mode (the Np indicators change...
Forum: Tech Log
8th May 2010, 10:43
Replies: 88
Views: 37,642
Posted By V1... Ooops

My goodness, we could not put a 'cigar lighter'...

My goodness, we could not put a 'cigar lighter' in an airplane today, we would get sued to death for contributing to lung cancer. Heck, it's all but illegal to smoke a cigarette in North America...
Forum: Tech Log
7th May 2010, 18:58
Replies: 88
Views: 37,642
Posted By V1... Ooops

Well, there are 350 amps of additional (surplus...

Well, there are 350 amps of additional (surplus to needs) electrical power available now on every Series 400 aircraft produced. If a customer needs more power than that (perhaps they plan to run an...
Forum: Tech Log
6th May 2010, 23:00
Replies: 88
Views: 37,642
Posted By V1... Ooops

New Twin Otters CAN be ordered with any of the...

New Twin Otters CAN be ordered with any of the previously available de Havilland special purpose modifications (cameras, scientific survey, etc.).

Why anyone would want bigger generators is beyond...
Forum: Tech Log
28th Apr 2010, 23:53
Replies: 88
Views: 37,642
Posted By V1... Ooops

See the elaboration of that in my post (above) of...

See the elaboration of that in my post (above) of 26th May 2008, 11:30.

Michael
Forum: Tech Log
27th Apr 2010, 18:10
Replies: 88
Views: 37,642
Posted By V1... Ooops

Viking holds the Type Certificates for the DHC-1...

Viking holds the Type Certificates for the DHC-1 through DH-7 aircraft - Viking took over responsibility for these TCs from Bombardier in 2005, and has been publishing all the documents (AFMs, MX...
Forum: Tech Log
27th Apr 2010, 11:08
Replies: 88
Views: 37,642
Posted By V1... Ooops

Guys, trust me on this one (fer' Pete's sake, I'm...

Guys, trust me on this one (fer' Pete's sake, I'm the person who writes the AFM): There is no published limitation for torque when the propeller is feathered.

Plain old COMMON SENSE suggests that...
Forum: Tech Log
26th Apr 2010, 00:23
Replies: 88
Views: 37,642
Posted By V1... Ooops

Uh, thanks for your 'Word in God's Ear', as the...

Uh, thanks for your 'Word in God's Ear', as the German language saying goes. :E

I think you might be referring to something that may have been published 30 or 40 years ago in the TABs (Technical...
Forum: Tech Log
25th Apr 2010, 19:39
Replies: 88
Views: 37,642
Posted By V1... Ooops

Hi Spad: Uh, you might have an out-of-date...

Hi Spad:

Uh, you might have an out-of-date book, or perhaps a Series 100 or 200 book.

For the Series 300, in principle, the engines are started in feather. The exception to that rule is when...
Forum: Tech Log
28th May 2008, 07:20
Replies: 88
Views: 37,642
Posted By V1... Ooops

Ah, OK, missed that nuance, sorry.

Ah, OK, missed that nuance, sorry.
Forum: Tech Log
28th May 2008, 00:52
Replies: 88
Views: 37,642
Posted By V1... Ooops

No - never show folks "how it is done" -...

No - never show folks "how it is done" - sometimes the ending does not turn out as was foreseen, as you can see in this video with an unexpectedly tragic ending. I can only presume that the...
Forum: Tech Log
26th May 2008, 18:45
Replies: 88
Views: 37,642
Posted By V1... Ooops

One minor correction - don't forget that the...

One minor correction - don't forget that the colour code markings on the Standard Series 300 airspeed indicator (aircraft without S.O.O. 6093 or S.O.O. 6120) are painted at the CAS number, not the...
Forum: Tech Log
26th May 2008, 18:30
Replies: 88
Views: 37,642
Posted By V1... Ooops

1) I cannot imagine an obstacle that would be so...

1) I cannot imagine an obstacle that would be so high that it alone would require full flaps, as opposed to 20° flap. Landing with full flap is normally only required when the runway length is...
Showing results 1 to 28 of 28


 
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