EAA (SA) Sun ‘n Fun Flyin 9 November 2019

The South African chapter of the Experimental Aircraft Association is celebrating it’s 50th anniversary this year. Every year there is a flyin to the Brits Airfield (FABS) but this year promised to be even more special. Any excuse for a flight is a good one, so it was off to Brits I went.

As summer starts to take hold it’s getting light earlier and I was able to pull the plane out at 6h30, in pleasant conditions with the low morning clouds clearing away and only the slightest breeze. I should have realised it was too good to be true…

As I rolled down runway 13 (into the sun – of course…) I noticed 3 Guineafowl taxiing out onto the runway ahead of me. Now a guineafowl is not a small bird – they probably weigh around 4 kilograms and stand about 35cm high – I didn’t fancy the idea of one of them going through the prop or hitting a wheel. In retrospect I made the wrong call by rotating 2-3kts below nominal rotation speed (50kts) but IBM eagerly kept into the air and disaster was averted. It would have been better to stay on the ground, wait for normal rotation and try to ignore the birds than to take off early and potentially stall out. Fortunately I was so close to rotation speed that it made no difference but definitely something to think about for lower speed incidents – better to hit a bird on the ground than stall it in.

The other concern is that the birds could have tried to fly and then I may have been in the situation where I’m flying at low speed and then hit a bird….

Bird excitement behind us, we climbed up under the Johannesburg TMA – cruising at 7500’ and routing to the west of the Lanseria class B airspace. We passed over Orient airfield (a major gliding Mecca), but it was too early for the obligatory powerless landers in their funny hats.

Couldn’t resist….. sorry not sorry

This dogleg set up a more or less direct course to Brits – and a routing directly into the teeth of a not insignificant headwind – 30kts on the nose meant we took a lot longer to get to Brits at only 90kts over the ground.

For the (anticipated) large flyins, the CAA usually declare an Aerodrome Flight Info Service (AFIS) which means that the usually unmanned airfield is manned with a tower operator whose role is to ensure separation but does not give explicit landing or takeoff clearances – it’s a little bit strange – the landing clearance usually sounds like “ZU-IBM, number one on the approach, land at pilot’s discretion”. Anyhow, as it turns out they were only opening at 07h30 and I arrived overhead at 07h25. This resulted in some confusion with arriving aircraft coming from 4 directions and all trying to ascertain if the tower was open or not.

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Risk

I’ve been thinking a lot about risk lately. There was a recent fatal Cherokee crash in a reasonably nearby town – nobody knows yet what happened. As a result the local aviation forum is turning up all sorts of theories. One contributor opined that if the CPL/IR grade 2 instructor who was flying the aircraft couldn’t save himself, what chance did the average weekend warrior have?

I commented that I felt that the best way to mitigate the risk in GA was to ensure that we are all current and proficient, and the lack of experience (i.e lack of total hours) may not necessarily influence the outcome of what appears to have been an engine failure. Further, we need to make peace with the fact that there is risk involved in general aviation, in the same way there is risk involved in almost everything we do. Obviously there is some perceived benefit to undertaking the risk involved. I cannot earn a living, unless I am prepared to take the risk of leaving the house and driving to work. Risk, benefit. Likewise, general aviation. Yes, there is risk, and that risk is not insignificant. The benefits for the personal aviator (I hate the term Weekend Warrior) are perhaps more nebulous – but could include significant decrease in long journey time, a visual perspective on the world that few get to see, the satisfaction in taking control of a machine and flying like the birds, and in my case, a very definite improvement in my state of mind (I call it altitude therapy).

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Kitty Hawk Breakfast Run – (#31)

I really enjoy flying to new (to me) airfields. I’ve been wanting to go to Kitty Hawk since I got my aircraft. Kitty Hawk is located to the east of Pretoria – about 30min flying time from Baragwanath. It is a very active field with a large number of Vans RV’s based there.

Seriously though, how smart does that shade film look?


The field has a little bit of a reputation as being ‘difficult’ in certain wind conditions. I’m always up for a challenge that fits within my personal limits and experience, so reputation aside, I felt it was worth the visit. I was able to muster up only one other plane from the JLPC crowd – Roger in his Turbo Arrow agreed to join me out of Rand airport for breakfast.

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Die Uys Huis Padstal (#30) Airfield

My aircraft is back from annual inspection – what they say about the first annual is all true, sadly – was a lot more expensive than I was anticipating due to the 5 year rubber change, but that at least is done (until the next time – when I may also be looking at a BRS repack……). On the plus side, my plane is back and fit for flying again!

On the basis of the sticker shock from the rubber replacement we decided not to do any cosmetic work apart form installing the sun shade film on the canopy which has helped a lot to keep the cabin cool. I did this myself – it only took 2hours to apply it – a very fiddly job but the end result is satisfactory and seems to do what it is supposed to. It’s a PVC friendly static cling film that advertises 5% visible light transmission. I think it looks quite nice.

Ready to go – note the window shades – very sexy.
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The Flight of the Navigator (or something like that)

I’ve previously written about flying in a speed rally – where we fly a set course against our aircraft’s handicap speed. It’s fast and furious and exciting with lots of close up flying. The other class of competition flying is the Navigation Rally, which I was lucky enough to be a competitor in this weekend.

My aircraft is still undergoing annual inspection (well, actually as I write, the inspection is complete – we are waiting on a post maintenance test flight for it to be signed out again), so I was to be the designated navigator for Matthew in the Mooney. Whereas a speed rally is simply flying a course as fast as possible (and reasonably accurately), the navigation rally is quite a lot more complex. The papers that are given to each crew contain turn point descriptions, a 1:200000 topographic map, a sheet of photos of turn points and places to spot and a time sheet based on a nominated speed.

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Flying in other people’s airplanes – Classic Mooney

Having an aircraft in maintenance does very little for the desire to commit aviation. Out of necessity (see previous posts on moving aircraft for maintenance), I had left my vehicle in the hangar when I took my plane to Tedderfield so I needed a lift back to Baragwanath – which Matthew kindly offered. Of course, why would anyone go to an airfield unless it was to fly an aircraft – and he was off to fly his (recently returned from annual inspection) Mooney M20C short body.

Matthew very kindly offered me a flight in the Mooney, to which I gave due consideration (about 500msec) and agreed. The Mooney is a very different aircraft from the Sling. The Mooney styling has always appealed to me, there is something about that forward swept tail and the low slung stance which suggests that it will go fast. The Classic Mooney has a very 60’s look about it (which it probably should!) – the very steep windshield and the ‘big gulp’ air intake are unique design features. Even this short body variant’s tail is very low to the ground and I must say that this would worry me quite a lot in the landing.

ZS-DWU at Parys (FAPY)
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Secunda Speed Rally 2019 – Day 1

I’ve been trying to get involved in competition flying for a long time, but it has always seemed to not work out for one reason or another. I’ve been able to go to see the rally taking place at Middelberg and Springs in the past but haven’t been able to take part. This weekend though, everything seemed to fall into place with a public holiday on Friday and the race being held nearby at the Secunda airfield (FASC) on the weekend.

Competition flying in South Africa seems to be undergoing somewhat of a resurgence at the moment after being stuck for years in a stodgy cycle of President’s Trophy Air Races marred by legal cases and appeals. Three event formats are currently taking place – Speed Rallies, Navigation Rallies and Fun Rallies. They are being held through the country (although mostly in the northern half, fortunately). Fun rallies involve flying a short course in a very narrow corridor, points being deducted for excursions from the corridor. Navigation rallies are plotted and flown to specific times and locations and are the more traditional form of competition rally flying in South Africa.

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DIY External Aircraft GoPro mounting

I’m getting a little bored with the in-cockpit got GoPro shots. I feel like there are only two angles really – either out the front or looking at the wing. While these do have some interest, I’m keen to try some external camera shots. 

The problem here is airways going to be how to safely attach a GoPro to the exterior of the aircraft. Safety here is two pronged – one doesn’t want to interfere with the aerodynamic performance of the aircraft. Neither does one want to be responsible for GoPro sized dents in structures or people on the ground. 

I’d imagine the CAA/Police/justice system works take a dim view of damage caused by falling action cameras. Additionally, you can’t simply attach objects permanently to an aircraft. With this in mind I’ve been looking at getting a mount to capture footage like this. 

There are a number of options and ideas to achieve this. The easiest way is to simply use the GoPro suction cup and apply it to the wing. Look. The cup grips well. But I wouldn’t like to bet my GoPro on it. So that idea is out. Then there are some proprietary mounting systems sold mostly on Amazon – flightflix and nflightcam being the two most prominent brands. But they are really expensive, especially once shipped here. 

So I thought I’d have a go at making one myself based loosely on the flightflix tie down mount. 

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