Twin piston

N789

1943 Grumman G-21A

Registered 1 NTSB/FAA record
Built
1943
Serial
B-102
Class
Twin piston
Engines
2 × Pratt & Whitney R-985 series
Status
Current as of October 2026
Registered owner
Alaska Aviation Museum (Corporation)
Based
Anchorage, AK
Registration record

N789 on the FAA register

Type
1943 Grumman G-21A
Serial
B-102
Engines
2 × Pratt & Whitney R-985 series
Registered owner
Alaska Aviation Museum
Anchorage, AK
Certificate issued
2012-07-09
Airworthiness date
—
Registration expires
2028-07-31
Airworthiness class
Standard
Mode S (hex)
AAB1F4
Mode S (octal)
52530764
Seats (type)
8
Weight class
up to 12,499 lb
Range (type)
695 nm
Cruise (type)
166 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2028-07-31
    Registration expires (renewal due).
  • 2012-07-09
    Certificate of registration issued as N789 to the current registrant.
  • 1966-05-27
    Accident at Anchorage Alas, 02; damage: substantial.
  • 1943
    Manufactured (1943).
  • 1930-01-02
    N789 previously assigned to a Homebuilt M-3 (s/n 622); cancelled.
Overview

About N789

N789 is a 1943 Grumman G-21A, serial number B-102. The FAA register lists Alaska Aviation Museum as the registrant in Anchorage, Alaska. The current certificate of registration was issued on July 9, 2012 and expires on July 31, 2028.

The FAA aircraft reference file describes the type as a twin piston, two Pratt & Whitney R-985 series engines and 8 seats. Published figures for the type give a cruise speed of about 166 knots and a range of about 695 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category.

N789 has 1 accident/incident record on file (most serious damage: substantial); details are below.

Cruise
166 kt
Range
695 nm
Fuel burn
16 gph

Published figures for the Grumman G-21A type. They describe the model, not this airframe's equipment or condition.

Safety record

Accident & incident history

1966-05-27 Accident · Anchorage Alas, 02 Damage: Substantial NTSB · 3 3862
Reported aircraft: Grumman G-21A

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.