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Aircraft record

N229321946 Grumman G-21A

Registration validUnclaimedSource: FAA, updated Oct 17, 2026

Safety record in brief:3 NTSB events (substantial damage at worst, latest Apr 2004)No ADs since 1998 matched3 service difficulty reports

Registration
Valid
expires Oct 31, 2032
Based in
Fort Worth, TX
owner city / state
Owners
1
since 2025
NTSB events
3
substantial, 2004
ADs may apply
0
confirm with A&P
Service reports
3
since 1995

Registration

FAA Aircraft Registry · Oct 17, 2026
Registered owner
Runyon Aviation LLC
Owner type
LLC
City, state
Fort Worth, TX
Certificate issued
Oct 9, 2025
Expires
Oct 31, 2032
Airworthiness
Standard · Normal
Airworthiness date
Jul 17, 1978

We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.

Airframe & engine

FAA Registry + type data

Airframe

Manufacturer
Grumman
Model
G-21A
Year
1946
Serial number
B-139
Aircraft type
Fixed wing multi engine
Category
Amphibian
Certification
Type Certificated
Seats
8
Engines
2
Max takeoff weight
Up to 12,499 lb
Mode S code
A2054C

Engine

Make and model
P&W R-985 Series
Type
Reciprocating
Power
450 hp

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records
  1. 2025 – nowRunyon Aviation LLCFort Worth, TX · current
  2. 1969Saint Aircraft Sales INCSt Petersburg, FL · different airframe: Cessna 150h S/N 15068625
  3. 1940Individual ownerGreenwood, MS · different airframe: Piper J3c-50 S/N 2826

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 17, 2026 · SDRs · Oct 16, 2026

NTSB events (3)

Accident · substantial damage

Apr 5, 2004 · Unalaska, AK

The inadvertent ground loop/swerve by the second pilot during the landing roll, and the first (check) pilot's inadequate supervision of the second pilot, which resulted in a loss of control and substantial damage to the airplane. Factors associated with the accident are the second pilot's improper upgrade/transition training by the company check airman, the second pilot's lack of experience in…

Damage
Substantial
Injuries
None
Report
ANC04LA038

From NTSB records; matched by serial number.Read NTSB report (search CAROL for ANC04LA038)

Accident · substantial damage

Apr 15, 1998 · Dutch Harbor, AK

The pilot-in-command's failure to identify the swells prior to landing. A factor was the water swells.

Damage
Substantial
Injuries
None
Report
ANC98LA038

From NTSB records; matched by serial number.Read NTSB report (search CAROL for ANC98LA038)

Incident · minor damage

Jan 7, 1993 · Akutan, AK

THE INCIDENT WAS CAUSED BY THE PILOTS IMPROPER COMPENSATION FOR THE WINDS. FACTORS WERE THE MICROBURST, THE ROUGH WATER, AND THE PILOT'S INADEQUATE EVALUATION OF THE WEATHER CONDITIONS.

Damage
Minor
Injuries
None
Report
ANC93IA026

From NTSB records; matched by serial number.Read NTSB report (search CAROL for ANC93IA026)

Accident history for this model

ADs published since 1998 that may apply (0)

These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.

No ADs published since 1998 matched this airframe or engine model.

AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.

Service Difficulty Reports (3)

Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.

  • Exhaust · exhaust duct · crackedAug 4, 2006

    EXHAUST DUCT ASSY CRACKED AND MISSING PARTS.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Power plant · cowling · departedNov 17, 2005

    WHILE IN CRUISE FLIGHT THE LT ENGINE COWLING DEPARTED THE AIRCRAFT. THE COWLING'S WAS NOT RECOVERED, FLIGHT WAS OVER WATER. AN UNEVENTFUL LANDING WAS MADE. SINCE THE FLIGHT WAS OVER WATER IT COULD NOT BE DETERMINED WHY THE COWLINGS DEPARTED THE AIRCRAFT.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Landing gear · float · damagedFeb 19, 1997

    DAMAGED RT FLOAT DURING TAXI UP BOAT RAMP.

    From FAA Service Difficulty Reports; matched by N-number and serial number.

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 17, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 17, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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