Plane Facts: Seaplanes

Fun facts about seaplanes

Gemini Sparkle

Key Takeaways:

  • Seaplanes rapidly evolved from their first flight in 1910, quickly setting significant aviation milestones, including holding the world's fastest aircraft record for 12 years (1927-1939) and later achieving supersonic jet flight.
  • They played a crucial role in early transoceanic transport, significantly reducing mail and passenger travel times (e.g., Boeing 314 Clipper), and were vital military aircraft, with the Consolidated PBY Catalina being the most produced seaplane.
  • The history of seaplanes includes ambitious and unique designs, such as the massive Hughes H-4 Hercules ("Spruce Goose") and multi-engine pioneers like the Dornier Do X, with seaplane activity remaining strong today at places like Lake Hood, the world's busiest seaplane base.
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seaplanes

First successful flight of a seaplane-like craft
(towed kite):
1905

First actual seaplane flight: 1910, the Hydravion

First flying boat flight: 1912

First amphibian flight: 1913, Glenn Curtiss, Model D

First large-scale production seaplane: Felixstowe F.5 (100 produced during WWI)

Number of Curtiss NC-4s that in 1919 attempted the first Atlantic crossing: 4

Number that succeeded: 1

Years that seaplanes were fastest aircraft in the world: 12 (1927-1939)

World record in 1934 set by Macchi M.C.72 seaplane: 440.5 mph

Years record as fastest aircraft stood: 5

Years as fastest piston-powered seaplane: 82 (1934-present)

Length of time it took mail to get from Australia to England in 1930: one month

Length of time via Short C-23 seaplane: 16 days

Problem created by this advance: Letter writing soon exceeded plane’s capacity

Most engines on a seaplane: Dornier Do X, 10 of 615 hp each

Top speed of Do X: 131 mph

Passenger capacity: 100

Number produced: 3

Fate of last Do X: Destroyed by British air raid in 1943

First successful transoceanic flying boat transport: Boeing 314 Clipper

Passenger capacity: 74

Maximum speed: 210 mph

Length of crossing San Francisco to Hong Kong: 6 days

Duration of Clipper’s air transport career: 3 years (ended by WWII)

World’s only double seaplane: Short Mayo Composite (Short S.20 on top of a Short S.21)

Reason for design: S.20 too heavy to take off unassisted

Largest seaplane ever: Hughes H-4 Hercules

Nickname: Spruce Goose

Primary construction material: Plywood

Wingspan of H-4: 322 feet

Maximum takeoff weight: 400,000 lbs.

Cruise speed: 250 mph

Number of flights: 1 (disputed if it really “flew”)

Most produced seaplane: Consolidated PBY Catalina

Number built: 3,305

First jet seaplane: Saunders-Roe SR.A/1

Number constructed: 3 (2 lost in accidents during testing)

Top speed of SR.A/1: approximately 445 mph

Fastest jet seaplane ever: Convair F2Y Sea Dart

Top speed of Sea Dart: 825 mph (only supersonic seaplane)

Number built: 4

Number that survive: 4

Busiest seaplane base: Lake Hood, Anchorage, Alaska

Average daily operations: 190

Number of float slips there: 500

Waiting list to get a slip: 10 years (more than 300 on waiting list)

Most produced civil seaplane (flying boat): Lake LA-4

Number produced: More than 1,000

Seaplane pilots who trained at Jack Brown’s in Winter Haven, Florida: 20,000, since its inception in 1963

Current cost of the course in J-3 Cub: Approximately $1,400

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