Photo File – Story Time Part 2

By me
All photos me too, copyrighted

Having set the ball for long-winded photo commentaries rolling with my previous photo file, I am delighted to be able to continue the trend with what has proven to be an equally fruitful follow-on. True to my hopes and expectations for this year’s summer season, the material for Part 2 had flooded in rather quickly, thanks most of all to triple sightings of some pretty rare twins all in the space of two weeks.

So, while the owners of Porsche-powered Mooneys and skydive Caravans prepare for their vacation flights to Croatia’s coastal airports (where I’ll be waiting 😀 ), here’s a bit more of what’s been going on further inland…

The emperor’s new clothes… first look at a new & improved 9A-DMG following an extensive interior and avionics refit – the latter of which lags little in sophistication behind today’s class cockpit 172SP (and quite a few bigger and more expensive machines as well). From left to right there’s the Aspen Avionics Evolution 1000 PFD (w/ Synthetic Vision System (SVS)), the JPI EDM 900 Engine Data Monitor (a fantastic piece of kit), Garmin GTN 750 touchscreen NAV 1/COM 1/GPS + Garmin GNC 255 NAV 2/COM 2… and bringing up the right the Garmin GTX 345 Mode S transponder. Not a bad look for an 1979-vintage “old man”!

A bit of twin-engine action as this German canary navigates Lučko’s uneven apron on its way toward RWY 28. Even though the Seneca is one of history’s most popular piston twins, this early version – introduced in 1974 – is nowadays nevertheless a bit of a rarity. Created in response to the numerous criticisms levied at the original Seneca I – which was, with its normally-aspirated 200 HP engines, considered severely “asthmatic” – the Seneca II was fitted with turbochargers that, despite not adding to the power, had immediately and dramatically improved performance (especially in an engine-out scenario at altitude). However, despite this, the type’s ultimate lack of power had remained a thorn in users’ eyes, leading Piper to add 20 HP per engine and new three-bladed props in 1981, creating the most popular PA-34 of them all, the Seneca III. D-GLOC itself had been manufactured in 1978, and had received its eye-catching paint scheme from its previous owner, Italian watchmaker Locman (which also explains the reg). On this day, it had popped into town to pick up a passenger bound for Split (LDSP).

Speak of the devil – the original Seneca I! As noted previously, unlike the most popular models – the III and V – Number One had left quite a sour taste in the mouths of many owners, primarily due to its lack of power and marginal performance at altitude and with an engine out provided by its normally-aspirated 200 HP Lycoming IO-360s. This deficit was such that in some quarters the Seneca is still labelled as “the best single engine airplane in the world”, despite the vastly improved performance (and potential) of the turbocharged 220 HP III, IV and V. While the fuselage and wing are visually mostly identical across all five Seneca marks, the One can be picked out in a crowd by its boxy, square nacelles (replaced by more streamlined units on the Seneca II) and air intake on the side of the cowl. This particular example – snapped at Lesce-Bled Airfield (LJBL) in the northwestern corner of Slovenia – was manufactured in 1974, the One’s final production year…

As soon as it got a bit of wind in its wings, the Falke had started flapping trying to get airborne… and why wouldn’t it: pleasant temperatures, a light wind perfect for soaring, and not a cloud in the sky! While far from the best design around, the type’s durability, simplicity and good all-round performance have consistently made it one of Europe’s most popular Touring Motor Gliders (TMGs) – a fact also helped by its capacity to accept almost any light engine available, from the two-cylinder two-stroke 26 HP Hirth F10A of the original SF-25A, to the turbocharged 115 HP Rotax 914F of the late-model SF-25C.

… and a dog to pack all of Lučko’s active gliders into its compact WW2-era hangar. A scene well known to many pilots as instructors and students clean up at the end of a busy flying day.

Young Eagle and Flying Teddy Bear await their turn to be tucked into the hangar after another full day of soaring and towing. Though still far from Lučko’s “golden years” of the early 2000s, this weekend saw five gliders pretty much constantly in the air – a very welcome slight after the airfield’s nearly decade-long financial crisis-induced slump in operations.

Only the second 340 I’ve ever seen in the metal, D-INGI easily dominates the room during a spot of maintenance. One of Cessna’s “more serious” piston twins, the 340 boasts a pressurized cabin, pneumatic de-icing system and a 30,000 ft ceiling – all of which (especially when used together) require a significant supply of compressed air. To cater for these services, each of the type’s Continental TSIO-520s sports a whopping large turbocharger – seen just aft of the engine block – whose output is used to feed the engine itself, provide a 10,000 ft cabin altitude at the type’s typical 20,000 ft cruise, and inflate the wing and tail boots enough to break off any reasonable amount of ice. Like the similarly-equipped Beech 60 Duke and Piper PA-31P Pressurized Navajo, all of this however makes the 340 somewhat expensive to operate, making it slowly lose favor to the far simpler modern single-engine turboprop. Another interesting detail are the vortex generators, located just aft of the wing boots; most often seen on utility and short-field aircraft, their function is simply to create a swirling, turbulent layer of air along the upper surface of the wing. While this sounds counter-intuitive at first (and indeed does create a fair bit of additional drag), a high-energy turbulent boundary layer sticks to the wing for more of its width, increasing the lift generated at any one speed. This is most useful for operations at higher angles of attack (such as during approach and landing), since it both lowers the aircraft’s minimum speeds – and increases the effectiveness of the flaps and ailerons, providing for better control at low speed and more benign behavior in and near the stall.

Fortune favors the brave – or at least those willing to stand out in the wind and rain for a photo! And a nice subject to do so for it is – likely the rarest of all the King Airs, the elusive B100. One the one hand, it’s a 100 series, a nowadays uncommon stretch of the base 90 – and on the other it’s the B model, the only series-production King Air not to use Pratt & Whitney Canada PT6A-series engines, but the rival 715 HP AI Research/Garrett TPE331-6. The latter engine’s “straight flow” layout – in which the exhaust ducts are the the back of the engine – is pretty much the only visual clue that sets it apart from the PT6A versions, whose “reverse flow” setup means the exhausts are located up at the front. Unfortunately, due to the now-reduced commonality with the rest of the family (and a general lack of demand for a TPE-powered version), only 137 B100s would be made, with the 1979 vintage N3536 – snapped here at Munich Airport (MUC/EDDM) – being a crisp mid-production example.

Photo File – Lighto

By me
All photos me too, copyrighted

Even though autumn is in full swing here in SE Europe – with “formal” winter only a month away – the weather had apparently not been informed of this development, with constantly clear & sunny skies, light winds and 20 degrees Centigrade at noon being pretty much the norm. Not wanting to let this beautiful opportunity go to waste – and having been away from GA for most of the summer – I’d decided to use my free time productively and drive around looking for lighties to photograph 😀 . While most of the stuff in my immediate vicinity had already been featured here (ad nauseam in some cases), a research drive for an upcoming article had seen me visit Novo Mesto Airfield (LJNM) in neighboring Slovenia, bringing some fresh material to table. Combined with a few snaps left over from the summer, this should be enough to bring my readers a fresh dose of light aviation on the Balkans… 🙂

A small, odd airplane + parked on grass with muddy tires + a background of rolling hills and autumn colors = love at first sight. The irreplaceable magic of light aviation in one photo as “Alpendohle” warms up its engine for departure from Novo Mesto. A design that tends to raise some eyebrows, the BO-208 is actually a German-built version of the Swedish MFI-9, created at the end of the 50s as a light touring aircraft with utility potential. Even though it is pretty obscure today, the MFI-9 was also the basis for the larger and more powerful SAAB MFI-15 Supporter, which is still used for training duties by several Scandinavian air forces…

Even though it already boasts aircraft from the USA, Germany, Austria, Czech Republic, Poland, Russia, France and former Yugoslavia, Lučko had recently also become home to a little bird (emu?) from Australia. One of the most well known products of Australia’s present-day aviation industry, the Jabiru line of two- and four-seaters is still a rarity in Europe, and are sometimes hard to find even at specialized GA shows. Even though it carries a Slovak registration, OM-M902 – manufactured in 2008 and powered by Jabiru’s own 2200 cc engine developing 80 HP – is actually a former resident of Vinkovac Airfield (LDOV) in the extreme east of Croatia.

An airfield by the coast, clear blue skies, pleasant summer temperatures – and three Cessnas soaking up the afternoon sun… a scene that just begs one to go flying! Even though it still wears its original German colors, D-EBXS (mfd. 1977) is nowadays a permanent resident of Medulin Airfield (LDPM) in Istria, and is frequently seen flying panorama flights up and down the peninsula.

Something that any proper airfield should be: a cafe and restaurant, good company, a full hangar and and interesting little aircraft parked outside (a Robin DR-400-180 Remorqueur, D-EOSR in this case).

C210 Squadron. The only two operational Centurions in Croatia together on the Lučko apron. However, even though they are only two letters apart, the 210L and P210N are actually significantly different machines: DZP is a simple, basic model whose equipment levels do not differ much from other single-engine Cessnas – while N50DD is a top-of-the-line version, equipped with a turbocharger, de-icing systems… and a pressurized fuselage.

One of the newest gliders on the Croatian register waiting for its turn to be put to bed in the field’s main hangar. Restored and assembled by hand, GKB wears this simple – but eye-catching – scheme, which is in fact a copy of a similar paint job seen on another Schleicher in the Netherlands.

And finally, one of those gems that can only be found by careful hangar trawling. Even though, from a numerical perspective, the L-13 Blanik is to gliders what the Cessna 172 is to piston singles, its younger brother – the L-23 Super Blanik seen here – is a somewhat different story. Designed on the basis of operational experiences with the L-13, the L-23 had received a completely new T-tail with swept fin, a slightly larger cabin with a two-piece canopy – and had lost its flaps as a weight-saving measure. Despite noticeably increased performance in all areas, the L-23 had not achieved the popularity of the original – but had nevertheless noted significant success in the USA, where it was also used in the Civil Air Patrol.