Search found 96 matches

by dpm
Tue Jul 02, 2019 3:37 pm
Forum: General Comments
Topic: Bose aviation headsets...pleased be advised:
Replies: 83
Views: 6870

Re: Bose aviation headsets...pleased be advised:

If they could not have sourced the parts of the frame I was going to just 3d print them since they are well beyond any expectation of repairs at this point. Exactly. I was so convinced it wouldn't be repairable that I'd already ordered one of these (an astoundingly inexpensive ANR headset) as a sto...
by dpm
Sun Jun 30, 2019 2:51 pm
Forum: General Comments
Topic: Bose aviation headsets...pleased be advised:
Replies: 83
Views: 6870

Re: Bose aviation headsets...pleased be advised:

I also own a 15+-year-old Bose X headset. One of the plastic side yokes cracked a few months ago, so it sent it to Brant Aero (the authorised Canadian repair shop) and got it back in a bit over a week, totally overhauled, with stronger side yokes, for just over CA $200 including HST and shipping. I ...
by dpm
Wed Jun 19, 2019 1:21 pm
Forum: General Comments
Topic: Setting pitch trim for takeoff
Replies: 7
Views: 1005

Re: Setting pitch trim for takeoff

Many airplanes have a 1 inch or so “safe zone” and manuals often suggest moving the trim fore or aft depending on your CoG off the W&B. From what I’ve seen, most people seem to leave it in the center anyways. How many of you adjust it or what are your thoughts In my piston single, I always prefer t...
by dpm
Wed Jun 19, 2019 8:30 am
Forum: General Comments
Topic: English Vs French on the Radio.
Replies: 90
Views: 9941

Re: English Vs French on the Radio.

Actually, your claim of well within Ontario is still a highly doubtful one. You still haven't explained how you know where they were since you don't know where they were. Ok A. But over the campbellville VOR, I think was around there -- at maybe 5000 feet, hearing position reports in French, you al...
by dpm
Mon Jun 17, 2019 1:00 pm
Forum: General Comments
Topic: English Vs French on the Radio.
Replies: 90
Views: 9941

Re: English Vs French on the Radio.

First, not everyone in Quebec aviation speaks English. I've often arrived at GA airports where the FBO staff has zero English, or close enough as matters. Why should francophone pilots in Quebec subject themselves to extra fatigue and an elevated risk of misunderstanding all the time just because b...
by dpm
Sat Jun 15, 2019 3:47 pm
Forum: General Comments
Topic: English Vs French on the Radio.
Replies: 90
Views: 9941

Re: English Vs French on the Radio.

Here's an interesting stat: (OTTAWA) "As such it is the largest city in Canada with both English and French as co-official languages.... [T]hose with French as their mother tongue make up 14.2 percent of the population." And for that small amount // dual language everything. 1. The city of Ottawa i...
by dpm
Tue Jun 11, 2019 3:37 pm
Forum: General Comments
Topic: English Vs French on the Radio.
Replies: 90
Views: 9941

Re: English Vs French on the Radio.

First, not everyone in Quebec aviation speaks English. I've often arrived at GA airports where the FBO staff has zero English, or close enough as matters. Second, it's very tiring working in another language, even if you speak if fairly well. At the end of a day of meetings in French or Spanish, my ...
by dpm
Fri Aug 03, 2018 2:47 pm
Forum: General Comments
Topic: IFR work
Replies: 15
Views: 1812

Re: IFR work

What might surprise the OP coming back to civilian IFR after a spell away in the service is just how much GA IFR has changed, even just in the past 5 years. For example, NavCan has torn up most of the Victor and Romeo airways in southern Ontario and Quebec and replaced them with twisty GPS-based T-r...
by dpm
Thu Aug 02, 2018 10:42 am
Forum: General Comments
Topic: Navcanada discontinuing approaches at under-serviced airports
Replies: 24
Views: 3797

Re: Navcanada discontinuing approaches at under-serviced airports

According to an airport manager I talked to, Nav Canada now pays for maintaining approaches only at airports with some kind of scheduled airline service (there might be other exceptions). For example, Gatineau CYND has a few weekly scheduled flights to Quebec on Air Liason King Airs, so they still g...
by dpm
Thu Jul 26, 2018 1:03 pm
Forum: Flight Training
Topic: How far do you lean while on the ground before takeoff
Replies: 38
Views: 2510

Re: How far do you lean while on the ground before takeoff

Exactly. I have no idea what effect using a brutally lean mixture setting on the ground is having on my CHTs because they are climbing rapidly anyway. Photofly the aircraft is a BD4. Same engine and about 1/3 the frontal cooling air intake area as a 172. Very good temps full power climb and cruise ...
by dpm
Thu Jul 26, 2018 6:33 am
Forum: Flight Training
Topic: How far do you lean while on the ground before takeoff
Replies: 38
Views: 2510

Re: How far do you lean while on the ground before takeoff

65% is 320-360. I don't think 75% is much higher. On the ground, do you find that leaning has much of an impact on the idling temperature? In theory, the lowest CHTs should be when the mixture is extremely lean (just above cut-off); the next lowest should be full rich, and the hottest CHTs should b...
by dpm
Wed Jul 25, 2018 7:40 pm
Forum: Flight Training
Topic: How far do you lean while on the ground before takeoff
Replies: 38
Views: 2510

Re: How far do you lean while on the ground before takeoff

ahramin wrote:
Wed Jul 25, 2018 3:54 pm
I have a normally aspirated engine. If it's 25°C outside it will hit 400°F in under 10 minutes at idle.
What do you see at 75% cruise?
by dpm
Wed Jul 25, 2018 2:52 pm
Forum: Flight Training
Topic: How far do you lean while on the ground before takeoff
Replies: 38
Views: 2510

Re: How far do you lean while on the ground before takeoff

I always preferred to have a cooler cylinder head temp on takeoff. The last thing I'd want to worry about on takeoff is an engine that is at its thermal limit (considering age of engine, students beating it up, etc.), and that thermal stress is even more pronounced at colder temperatures where shoc...
by dpm
Wed Jul 25, 2018 2:43 pm
Forum: Flight Training
Topic: How far do you lean while on the ground before takeoff
Replies: 38
Views: 2510

Re: How far do you lean while on the ground before takeoff

If someone's reason for leaning on the ground is for when they forget the basics of the before takeoff checklist, that person has bigger problems to worry about than fouled plugs. ... or it's a genuinely-experienced pilot who's flown enough hours to know that safety comes from multiple layers of sa...
by dpm
Wed Jun 20, 2018 2:45 pm
Forum: General Comments
Topic: Emergency declared in circuit due to IMC
Replies: 24
Views: 2848

Re: Emergency declared in circuit due to IMC

Glad to see that the comments have been supportive. I trained at that same airport in 2002, and know the circuit well. Aside from the pilot's concern about his own safety, I agree that a pilot, within a mile of one of Canada's busier airports, who finds himself suddenly in a situation where he isn't...
by dpm
Wed Jun 20, 2018 2:37 pm
Forum: General Comments
Topic: Aim to be a zero - Chris Hadfield
Replies: 73
Views: 6499

Re: Aim to be a zero - Chris Hadfield

I'm wondering why some people have difficulty understanding the difference between actually trying to add value and merely proclaiming that you do. In the aid world, where I work, the well-intentioned (but naive) people jumping in trying to add value are one of the problems. The quiet people, just ...
by dpm
Mon Jun 18, 2018 1:46 pm
Forum: General Comments
Topic: Aim to be a zero - Chris Hadfield
Replies: 73
Views: 6499

Re: Aim to be a zero - Chris Hadfield

I think the point is that if you aim to be a zero, you have a good chance of ending up as a +1. If you aim to be a +1, you'll probably end up as a -1, because of all the people you end up elbowing and climbing over trying to get there. In coding, we have a similar motto: always underpromise and over...
by dpm
Mon Jun 18, 2018 1:42 pm
Forum: General Comments
Topic: ADS-B Weather vs XM Weather Canada
Replies: 12
Views: 1705

Re: ADS-B Weather vs XM Weather Canada

I am having troubles finding ADS-B weather coverage information for Canada. US FIS-B radar does extend a bit over the border into Canada—at 6,000 ft over Pembroke, or 5,000 ft over Ottawa, I can generally pick it up on my GTX 345 transponder and get radar coverage ~50–100 miles into Canada (give or...
by dpm
Sun Apr 29, 2018 3:59 pm
Forum: General Comments
Topic: Circuits and Phraseology at Uncontrolled Airports
Replies: 42
Views: 3502

Re: Circuits and Phraseology at Uncontrolled Airports

At a uncontrolled aerodrome, each pilot can determine the appropriate runway for him or herself, can they not? That's more-or-less correct, but if something went wrong, you'd have to work a bit harder to demonstrate that you were meeting that fuzzy requirement to "exercise good airmanship" if you w...
by dpm
Mon Apr 02, 2018 2:02 pm
Forum: ATS Question Forum
Topic: Should VFR traffic near control zones contact ATC?
Replies: 59
Views: 10002

Re: Should VFR traffic near control zones contact ATC?

Actually, calling in for no reason when traffic is busy on tower (or if we extend it, to FSS/radio), can actually be really annoying. Thanks—I think that was the kind of constructive input the OP was looking for with his/her innocent question. A negative (voluntary) rule like this is just as much a...
by dpm
Sun Apr 01, 2018 9:40 am
Forum: General Comments
Topic: Starting a Pilot career in your 30’s with a family.
Replies: 26
Views: 4345

Re: Starting a Pilot career in your 30’s with a family.

If you try to follow a dream of an aviation career in your mid-30s, worst case is that you'll end up broke. If you try to follow a dream of opening a restaurant in your mid-30s, you'll end up broke, losing your house, losing your kids' RESPs, losing your own RSP, owing the bank $500K, and not talkin...
by dpm
Sun Apr 01, 2018 9:31 am
Forum: Flight Training
Topic: 50FT Obstacle landing.
Replies: 9
Views: 1477

Re: 50FT Obstacle landing.

It’s about predicting your own performance and matching your flying to your prediction, and not about aceing the shortest touchdown over the obstacle in history. It's been a while since I did trig but on a 3* glide path you should be at fifty feet AGL just under a thousand feet before your aiming p...
by dpm
Sun Apr 01, 2018 8:59 am
Forum: ATS Question Forum
Topic: Should VFR traffic near control zones contact ATC?
Replies: 59
Views: 10002

Re: Should VFR traffic near control zones contact ATC?

I’m in favour of good airmanship but I’m resistant to signing up for voluntary rules where real rules already exist. There's nothing in the Criminal Code of Canada requiring me to hold open a shop door for someone with their arms full of bags, either. Rules are bare-minimum requirements for people ...
by dpm
Thu Mar 22, 2018 4:35 pm
Forum: General Comments
Topic: Lights or no Lights during the day (For small GA AC)
Replies: 25
Views: 2445

Re: Lights or no Lights during the day (For small GA AC)

All lights on at lower altitudes or near airports; trim back above ~6,000 ft AGL (especially the strobes, which really swing the needle on my ammeter). I remember reading that the landing light also helps cut down significantly on bird strikes (don't remember the source, so I'm not sure how much to ...
by dpm
Mon Mar 19, 2018 3:13 pm
Forum: General Comments
Topic: ADS-B
Replies: 11
Views: 1329

Re: ADS-B

The Garmin GTX 345 uses 1090 MHz out (which will work in Canada as well as the US), and supports both 1090 MHz and 978 MHz UAT in, so that you can get all the goodies in the US. Flying around Ottawa, I don't pick up FIS-B from the US until I'm at a good altitude, but I do get a good number of air-to...

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