Twin piston

N21A

1946 Grumman G-21A

Registered 2 NTSB/FAA records
Built
1946
Serial
B129
Class
Twin piston
Engines
2 × Ama/Expr UNKNOWN ENG
Status
Current as of October 2026
Registered owner
D B Aero Inc (Corporation)
Based
Wilmington, DE
Registration record

N21A on the FAA register

Type
1946 Grumman G-21A
Serial
B129
Engines
2 × Ama/Expr UNKNOWN ENG
Registered owner
D B Aero Inc
Wilmington, DE
Certificate issued
2011-04-13
Airworthiness date
1998-07-02
Registration expires
2027-04-30
Airworthiness class
Standard · normal
Mode S (hex)
A1B729
Mode S (octal)
50333451
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

  • 2027-04-30
    Registration expires (renewal due).
  • 2011-04-13
    Certificate of registration issued as N21A to the current registrant.
  • 2008-01-29
    Accident at Marathon, FL; damage: substantial.
  • 2002-06-17
    Accident at Northway, AK; damage: substantial.
  • 1999-01-15
    N21A previously assigned to a Homebuilt KR-1 (s/n 001GA); cancelled.
  • 1998-07-02
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1970-11-23
    N21A previously assigned to a Goodyear Aircraft L (s/n L11); cancelled.
  • 1946
    Manufactured (1946).
Overview

About N21A

N21A is a 1946 Grumman G-21A, serial number B129. The FAA register lists D B Aero Inc as the registrant in Wilmington, Delaware. The current certificate of registration was issued on April 13, 2011 and expires on April 30, 2027.

The FAA aircraft reference file describes the type as a twin piston, two Ama/Expr UNKNOWN ENG 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 (normal), dated July 2, 1998.

N21A has 2 accident/incident records 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

2008-01-29 Accident · Marathon, FL Damage: Substantial Serious injury NTSB · MIA08LA048
Reported aircraft: Grumman G-21A
Probable cause: The pilot s failure to maintain control of the airplane during a water landing.
2002-06-17 Accident · Northway, AK Damage: Substantial NTSB · ANC02LA052
Reported aircraft: Grumman G-21
Probable cause: The pilot's inadequate compensation for wind conditions during the landing roll, which resulted in an inadvertent ground loop/swerve. A factor associated with the accident was a crosswind.

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.