Pilatus PC-6 Porter

Updated: October 2026 – A small aircraft with a very long nose rolls out on a grass strip, the cabin door is open, skydivers sit packed tightly inside. After a few seconds it lifts off and climbs surprisingly steeply: that is most likely a Pilatus PC-6 Porter. The Swiss short-takeoff aircraft is one of the best-known utility aircraft in the world. Here you will learn how to identify it with confidence, how it differs from the Beaver, Otter and Caravan and where you are most likely to get it in front of the camera.

What is the Pilatus PC-6 Porter?

The PC-6 is a single-engine utility aircraft with short takeoff and landing characteristics, known as STOL (Short Take-Off and Landing). It was built by Pilatus Aircraft in Stans in the canton of Nidwalden. The abbreviation PC stands for “Pilatus Commercial,” a civil type from the manufacturer; the six is the type number. The name Porter describes quite precisely what the aircraft does: bringing people, material and supplies to places that have no paved runway.

Development began in 1957 as a Pilatus in-house initiative. The first Porter flew on May 4, 1959, still with a six-cylinder Lycoming piston engine. Swiss certification followed as early as August of the same year. The real breakthrough came with the turboprop: the Turbo-Porter made its first flight on May 2, 1961. Initially fitted with a Turbomeca Astazou, the Pratt & Whitney Canada PT6A later prevailed, and there were also versions with the Garrett TPE331.

The Porter became known early on through a spectacular achievement: in 1960, one aircraft supported the Swiss expedition to Dhaulagiri in Nepal and landed on a glacier at about 5,700 meters. This landing counts to this day as the highest of a fixed-wing aircraft; some sources quote 5,750 meters.

From 1964, Fairchild Hiller built the PC-6 under license in the US – according to reference works, this was the first Swiss aircraft to be manufactured abroad under license. Military offshoots such as the US Air Force’s armed AU-23A Peacemaker and the US Army’s UV-20A Chiricahua also come from this line. Depending on how you count, a good 600 aircraft were built in total, of which about 90 to 100 at Fairchild.

In 2017, Pilatus announced the end of production. Originally 2019 was planned as the end point, but due to delays – including during the pandemic – the last PC-6 left the plant only in December 2022. Since then, the manufacturer has concentrated on the PC-12 and the business jet PC-24 in the civil sector. But the Porter itself has by no means disappeared: in 2017, according to reference works, at least 267 aircraft were active in over 60 countries.

What a PC-6 looks like

The Porter is an aircraft you will hardly confuse once you have consciously seen it. Its shape follows function consistently, and you can see that in every detail.

Added to that are an angular, tall vertical stabilizer and a box-shaped fuselage with a large sliding door. Skydivers exit through this door, cargo is loaded, and on ambulance missions two stretchers fit inside. Many aircraft wear large tires for unpaved runways; depending on the mission, the PC-6 also flies on skis or floats.

According to the design description, the wing omits air brakes and de-icing. A large, uniformly deep wing and a powerful turbine together produce the typical STOL figures: about 200 meters of takeoff distance and about 130 meters of landing distance with a substantial payload.

Variants at a glance

From the outside, the Porter versions differ less than the many designations suggest. What matters most is the distinction between piston engine and turbine.

Version	Powerplant	Identifying feature
PC-6/340, /350 (Porter)	Lycoming piston engine	Shorter, rounder nose; very rare today
PC-6/A	Turbomeca Astazou	Early turbine version
PC-6/B, B1, B2-H2, B2-H4	Pratt & Whitney Canada PT6A	Long, slim nose – the most common form in operation today
PC-6/C	Garrett TPE331	Rare variant from the context of US licensed production
AU-23A Peacemaker	Garrett TPE331 (Fairchild)	Military, armed version from licensed production

The B2-H4 is the version with the highest permitted takeoff weight of 2,800 kilograms and is considered the standard of the late production years. The Swiss Air Force had its fleet modernized from 2018; these aircraft also appear in documents as the NCPC-6. You will find more on the sister models in the trainer family with the PC-7 and the PC-21.

PC-6 or Beaver, Otter, Caravan?

The Porter shares its niche with a few other bush planes. The finder helps you narrow it down using three observations.

The Canadian relatives DHC-2 Beaver and DHC-3 Otter also have a tailwheel and a strut-braced wing, but have a shorter, rounder nose, classically with a radial engine. On converted turbine Otters the nose does get longer, but the fuselage remains much more voluminous. The Cessna 208 Caravan and the Daher Kodiak, by contrast, have a nosewheel – that alone is enough to tell them apart. If you see two propellers, you are looking at a DHC-6 Twin Otter. The guide Recognizing light aircraft gives you a general overview of light aircraft.

Where to find the PC-6 today

Unlike airliners, the Porter follows no flight schedule. You find it where it works – and that is mainly three areas.

Skydiving: worldwide, the PC-6 is one of the classic jump aircraft. It climbs quickly to jump altitude, the large door makes exiting easier, and it copes with short grass strips. At many jump sites in Germany, Austria and Switzerland, Turbo-Porters fly or used to fly. Which sites are currently working with the type changes with season and operator; the best approach is to ask the jump center directly beforehand. How to find small airfields and jump sites in the first place is explained in the article Finding airfields on maps.

Military: numerous air forces still use the Porter today. In the German-speaking region these are mainly the Swiss Air Force, which had its fleet modernized from 2018, and the Austrian Armed Forces, which have used the PC-6 since 1976. Both use it for transport and parachute drops, among other things. Before visiting a military airfield, a look at the rules is worthwhile: the article Photographing military airfields summarizes what to watch out for; for Switzerland there is the overview Plane spotting in Switzerland, for Austria Plane spotting in Austria.

Utility flying: surveying, aerial photography, cargo flights to remote regions and ambulance missions are also part of the profile. Historically well known are the operations with Air America in Southeast Asia and, from 1962, the mountain connections of Air Alpes in the French Alps.

Place	Chance of a sighting	Why
Skydiving sites	high (in season)	Classic jump aircraft with many takeoffs per day
Military airfields in Switzerland and Austria	medium	Fixed fleets with the Air Force and Armed Forces
Small mountain airfields	medium to low	Utility and supply flights, often irregular
Large commercial airports	low	At most ferry or special flights

Reading registrations and searching deliberately

Swiss Porters carry a registration starting with HB-, Austrian ones with OE- and German ones with D-F, because the Porter falls into the corresponding weight class with its takeoff weight. How the systems are structured is explained in Swiss HB registrations, Austrian OE registrations and Understanding aircraft registrations. Military aircraft carry their own numbering systems and by no means always transmit publicly visible position data; more on this in Tracking military aircraft online and Why an aircraft does not show up on Flightradar.

In tracking services you filter for PC6T – how such codes are structured is shown in ICAO type codes explained. With jump aircraft you often see the typical pattern: a steep climb, a few minutes at jump altitude, then a fast descent back to the field. Once you have recognized that, you also find jump operations at airfields you did not know before.

Photo tips specifically for the PC-6

The Porter is small, slow and often flies close to the ground – ideal conditions for expressive pictures if you keep a few points in mind.

It is best to calculate in advance when the light suits you; the guide Planning the sun position for your photo spot shows how. With the sun position planner in Planetrack, you see right on the spot map when the sun is behind you.

Common mix-ups and how to rule them out

Conclusion

The PC-6 Porter is one of the aircraft that has made aviation history without ever standing in the spotlight of big airports. A tailwheel, a long turbine nose and a plank-like, strut-braced wing make it unmistakable. Since the last delivery in 2022 the fleet no longer grows, but the type remains present at jump sites, with the Swiss Air Force and the Austrian Armed Forces and in utility flying. For spotters it is thus a collector’s piece with history – best photographed against mountains, in a steep climb.