Twin Otter Series 400 vs PC-6 Porter
The Twin Otter Series 400 leads, topping 6 of 7 compared metrics.
The De Havilland Canada Twin Otter Series 400 (introduced 2010) and the Pilatus Aircraft PC-6 Porter (introduced 1959) are two aircraft buyers regularly weigh against each other. Both are utility, which makes them natural cross-shopping rivals. The clearest separation between them is cabin capacity, where the Twin Otter Series 400 carries more passengers. Below we compare them spec by spec, then break down which aircraft suits which mission.
6 more specs per aircraft — ceiling, climb, cabin, dimensions and more — are free with an account.
Twin Otter Series 400 vs PC-6 Porter: the key differences
- The Twin Otter Series 400 delivers 39% more range (Twin Otter Series 400: 920 nm; PC-6 Porter: 660 nm).
- The Twin Otter Series 400 delivers 43% more cruise speed (Twin Otter Series 400: 182 kt; PC-6 Porter: 127 kt).
- The Twin Otter Series 400 delivers 90% more passenger capacity (Twin Otter Series 400: 19 seats; PC-6 Porter: 10 seats).
- The Twin Otter Series 400 is the newer design (introduced 2010 versus 1959 for the PC-6 Porter), a gap of 51 years that usually shows up in avionics, cabin systems and fuel burn.
- The Twin Otter Series 400 is the larger aircraft by maximum takeoff weight (12,500 lbs versus 6,173 lbs), which typically buys more cabin and payload at the cost of higher trip economics.
- The two differ in powerplant layout: the Twin Otter Series 400 runs 2 engines against 1 on the PC-6 Porter — a factor in redundancy, maintenance scope and operating cost.
Which mission suits which aircraft
Both aircraft are built for short-haul and regional hops, so outright range rarely separates them — the call leans on cabin (the Twin Otter Series 400 seats more), trip economics and what is actually available on the market. Match the airframe to how you fly most weeks, not to the headline range figure.
Which should you choose?
On published specifications the Twin Otter Series 400 leads on both range and cabin capacity, so it suits operators who want maximum mission flexibility from a single airframe. The PC-6 Porter can still be the smarter buy on acquisition cost, operating economics, runway performance, or current availability — the factors that rarely show up in a spec sheet. Our acquisition advisory team can model both against your actual mission profile before you commit.
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Twin Otter Series 400 vs PC-6 Porter: FAQs
Which has the longer range, the Twin Otter Series 400 or the PC-6 Porter?
The Twin Otter Series 400 has the longer published range — 920 nm versus 660 nm for the PC-6 Porter.
Does the Twin Otter Series 400 or PC-6 Porter seat more passengers?
The Twin Otter Series 400 carries more passengers at maximum configuration — up to 19 seats, compared with 10 on the PC-6 Porter.
Which is faster, the Twin Otter Series 400 or the PC-6 Porter?
The Twin Otter Series 400 cruises faster, at 182 kt versus 127 kt for the PC-6 Porter.
Which is newer, the Twin Otter Series 400 or the PC-6 Porter?
The Twin Otter Series 400 is the newer design, introduced in 2010 versus 1959 for the PC-6 Porter.
Is the Twin Otter Series 400 or the PC-6 Porter the larger aircraft?
By maximum takeoff weight the Twin Otter Series 400 is the larger aircraft — 12,500 lbs versus 6,173 lbs for the PC-6 Porter.
Should I buy the Twin Otter Series 400 or the PC-6 Porter?
On published specifications the Twin Otter Series 400 leads on both range and cabin capacity, so it suits operators who want maximum mission flexibility from a single airframe. The PC-6 Porter can still be the smarter buy on acquisition cost, operating economics, runway performance, or current availability — the factors that rarely show up in a spec sheet. Our acquisition advisory team can model both against your actual mission profile before you commit.
Still weighing up the Twin Otter Series 400 vs PC-6 Porter?
Specs only take you so far. Our advisors give an independent recommendation based on your mission, budget and how you actually fly — and represent your side through to purchase.