As of 2026-10-12, AVIC AG600 tops the list with 39 m.
- #1 AVIC AG600 — 39 m
large amphibious flying boat
The AVIC AG600 Kunlong is a large seaplane designed by AVIC and assembled by CAIGA. Powered by four Ivchenko AI-20 turboprops, it is one of the largest flying boats with a 53.5 t (118,000 lb) MTOW. After five years of development, assembly started in August 2014, it was rolled out on 23 July 2016 and it made its first flight from Zhuhai Airport on 24 December 2017. It obtained its type certificate in 2025, with deliveries starting in October 2025. Read more on Wikipedia.
Wikidata - #2 Savoia-Marchetti SM.73 — 24 m
airliner
The Savoia-Marchetti S.73 was an Italian three-engine airliner that flew in the 1930s and early 1940s. The aircraft entered service in March 1935 with a production run of 48 aircraft. Four were exported to Belgium for SABENA, while seven others were produced by SABCA. The main customer was the Italian airline Ala Littoria. Read more on Wikipedia.
Wikidata - #3 Schempp-Hirth Nimbus-2 — 20 m
German single-seat glider, 1971
The Schempp-Hirth Nimbus-2 is an Open Class glider built by Schempp-Hirth during the 1970s. The Nimbus-2 first flew in April 1971 and a total of over 240 examples of all subtypes have been built until the beginning of the 1980s. It replaced the Schempp-Hirth Cirrus. Read more on Wikipedia.
Wikidata - #4 PZL Bielsko SZD-9 — 18 m
glider
The SZD-9 Bocian is a multi-purpose two-seat sailplane that was designed and built in Poland at Szybowcowy Zakład Doświadczalny in Bielsko-Biała, beginning in 1952. It was designed to be capable of fulfilling the needs of every area from training to competition flying. Read more on Wikipedia.
Wikidata - #5 Air Tractor AT-802 — 18 m
wild fire fighting aircraft
The Air Tractor AT-802 is an American agricultural aircraft that may also be adapted into fire-fighting or armed versions. It first flew in the United States in October 1990 and is manufactured by Air Tractor. The AT-802 carries a chemical hopper between the engine firewall and the cockpit. In the U.S., it is considered a Type III SEAT, or Single Engine Air Tanker. Read more on Wikipedia.
Wikidata - #6 North American XF-108 Rapier — 18 m
aircraft
The North American XF-108 Rapier was a proposed long-range, high-speed interceptor aircraft designed by North American Aviation intended to defend the United States from supersonic Soviet strategic bombers. The aircraft would have cruised at speeds around Mach 3 with an unrefueled combat radius over 1,000 nautical miles, and was equipped with radar and missiles offering engagement ranges up to 100 miles (160 km) against bomber-sized targets. Read more on Wikipedia.
Wikidata - #7 L-23 Super Blaník — 16 m
training glider
The LET L-23 Super Blaník is a two-seat, all-metal structure glider with fabric covered control surfaces. The aircraft is primarily used for flight training; its single-seat sister model is the Let L-33 Solo. Read more on Wikipedia.
Wikidata - #8 Evektor EV-55 Outback — 16 m
utility aircraft
The Evektor EV-55 Outback is a twin-engine turboprop aircraft designed and built in the Czech Republic by Evektor-Aerotechnik. The prototype first flew on 24 June 2011. The project's development was suspended in March 2017. Read more on Wikipedia.
Wikidata - #9 Diamond HK36 Super Dimona — 16 m
motor glider
The Diamond HK36 Super Dimona is an extensive family of Austrian low-wing, T-tailed, two-seat motor gliders that were designed by Wolf Hoffmann and currently produced by Diamond Aircraft Industries. Read more on Wikipedia.
Wikidata - #10 Loire 130 — 16 m
type of aircraft
The Loire 130 was a French flying boat that saw service during World War II. It was designed and built by Loire Aviation of St Nazaire. Read more on Wikipedia.
Wikidata