Grumman G-21 Goose

Image: Pabobfin via Wikimedia Commons (CC BY-SA 3.0)

Grumman G-21 Goose

Designation: G-21 / JRF / OA-9

Grumman Golden Age flying-boat 1937-1945

Why it matters

The Goose was originally built so rich guys on Long Island could commute to Manhattan by seaplane. That's the most 1930s sentence ever written. But the Goose had other plans.

The military grabbed them during the war for coastal patrol and utility work, and afterward they scattered to every corner of the world where runways were optional.

Alaska bush pilots, Caribbean island hoppers, and remote operators discovered what Grumman already knew: this thing was built like a tank with wings. Jimmy Buffett flew one. That alone tells you everything about the vibe.

Specifications

Max Speed 201 mph
Range 640 miles
Service Ceiling 21,300 ft
Engine 2x Pratt & Whitney R-985 Wasp Junior radials
Power/Thrust 450 hp each
Wingspan 49 ft
Length 38 ft 6 in
Crew 2
Production 345 built
First Flight 1937-06-29
Service Dates 1938-present

Notable Features

  • Amphibious hull design with retractable landing gear
  • 7-passenger cabin originally designed for luxury commuting
  • Robust enough for bush operations on floats, wheels, or skis
  • Jimmy Buffett's personal aircraft of choice

Patina notes

A working Goose looks like it's been everywhere, because it probably has. The aluminum hull shows the dents and patches of a lifetime on water. Engine cowlings carry the dark stains of oil that seeped past every gasket ever installed.

The cockpit instruments have that wonderful Art Deco sensibility of late-1930s aviation. The cabin, originally fitted for executives, usually shows evidence of decades of cargo, fish, and whatever else needed hauling.

Preservation reality

Fewer than 30 Goose airframes survive, and flyable examples are genuinely rare. Restoration is expensive because Grumman built them to military spec with materials that aren't easy to source anymore.

The ones that fly are treasured. Antique Aircraft Association events and seaplane fly-ins are your best bet for seeing one. Values have climbed steadily as the type gets rarer, with flyable examples commanding seven figures.

Where to see one

  • • Fantasy of Flight, Polk City, Florida
  • • Kermit Weeks collection
  • • Alaska Aviation Museum, Anchorage
  • • Seaplane fly-ins (Greenville, Maine)
  • • Caribbean charter operations (if you're lucky)

Preservation organizations

  • • Antique Aircraft Association
  • • Seaplane Pilots Association

Sources