The Grumman G-21 (ICAO type G21) is an aircraft of United States origin. It has a maximum take-off weight of 3,600 kg. It offers a maximum range of 540 nm, a cruise speed of 166 knots, a service ceiling of 22,000 ft and seating for up to 9 across its variants.

Grumman G-21

G21

Photo via Wikimedia Commons: Grumman G-21A Alaska Aviation Heritage Museum.jpg

Year

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Owner

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Last seen

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MTOW

3,600 kg

Range

540 nm

Seats

G-21

Grumman · G-21

Model overview

Fleet & certification

Built: 45
Active: 45
Origin: United States

Certifying authorities

FAA

Market

Comparable listings

N44CH · 1946 · 6,738 hrs

$475,000

Variants

Per-variant specifications

Variant	Engine	MTOW	Range	Cruise	Pax
G-21 G-21	—	3,600 kg	540 nm	166 kt	9
G-21A G-21A	—	3,600 kg	540 nm	166 kt	9
G-21C G-21C	—	3,600 kg	540 nm	166–182 kt	9
G-21D G-21D	—	—	—	—	—
G-21E G-21E	—	5,600 kg	1,390 nm	183 kt	12
G-21G G-21G	—	3,600 kg	540 nm	166 kt	9

Type certification

The FAA paperwork

TCDS 4A24 · Rev 6

The FAA-issued Type Certificate for this model is on file (TCDS 4A24), but we haven't yet extracted the structured spec values.

Read the TCDS (PDF) →

Safety & ops history

Where to look next

Detailed safety & ops history coming soon — view this model's FAA Airworthiness Directives at FAA.gov.

Grumman G-21 market & fleet intelligence

Registry, flight-tracking and market data on the Grumman G-21 fleet — updated daily.

Fleet age

82 yearsmedian age

30s

40s

50s

60s

70s

Of the 37 registered Grumman G-21 with a known build year (82% of the 45 we track), the median age is 82 years.

Registration activity

3changed registration in 12 months

3 of the 45 registered Grumman G-21 we track changed registration in the last 12 months (7% of the fleet), across 3 registration events. Registration changes include ownership transfers, re-registrations and address updates — not all are sales.

G-21 — frequently asked

What is the range of the Grumman G-21?

The Grumman G-21 has a maximum range of 540 nautical miles across variants.

How many people can the Grumman G-21 carry?

The Grumman G-21 seats up to 9 across its variants.

What is the MTOW of the Grumman G-21?

The Grumman G-21's maximum take-off weight is 3,600 kg.

What is the ICAO type designator for the Grumman G-21?

The Grumman G-21's ICAO type designator is G21.

How many Grumman G-21 aircraft are registered worldwide?

Sprinkle tracks 45 registered Grumman G-21 airframes worldwide.

Registered G-21 aircraft

Individual G-21 airframes by tail number — registration history, operator and lineage.

See all 45 registered G-21