Twin turboprop

N731SG

Beechcraft KING Air B300

Registered No accidents on file
Built
—
Serial
FL-503
Class
Twin turboprop
Engines
2
Status
Current as of October 2026
Registered owner
Isgrowth Machine LLC (LLC)
Based
Mankato, MN
Registration record

N731SG on the FAA register

Type
Beechcraft KING Air B300
Serial
FL-503
Engines
2
Registered owner
Isgrowth Machine LLC
Mankato, MN
Certificate issued
2024-01-26
Airworthiness date
—
Registration expires
2031-01-31
Airworthiness class
—
Mode S (hex)
A9D059
Mode S (octal)
52350131
Seats (type)
19
Weight class
12,500–19,999 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2031-01-31
    Registration expires (renewal due).
  • 2024-01-26
    Certificate of registration issued as N731SG to the current registrant.
  • 2012-08-10
    N731SG previously assigned to a Cessna A188B (s/n 18803114T); cancelled.
Overview

About N731SG

N731SG is a Beechcraft KING Air B300, serial number FL-503. The FAA register lists Isgrowth Machine LLC as the registrant in Mankato, Minnesota. The current certificate of registration was issued on January 26, 2024 and expires on January 31, 2031.

The FAA aircraft reference file describes the type as a twin turboprop and 19 seats.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N731SG.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N731SG.

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.