Turbine helicopter

N831ST

2023 Leonardo AW119 Koala

Registered No accidents on file
Built
2023
Serial
15844
Class
Turbine helicopter
Engines
Pratt & Whitney Canada PT6B-37A
Status
Current as of October 2026
Registered owner
Naval Air Systems Command (Government)
Based
Patuxent River, MD
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Registration record

N831ST on the FAA register

Type
2023 Leonardo AW119 Koala (FAA: Agustawestland Philadelphia Co AW119MKII)
Serial
15844
Engines
Pratt & Whitney Canada PT6B-37A
Registered owner
Naval Air Systems Command
Patuxent River, MD
Certificate issued
2023-08-30
Airworthiness date
2023-03-15
Registration expires
2030-08-31
Airworthiness class
Standard · normal
Mode S (hex)
AB5DB3
Mode S (octal)
52656663
Seats (type)
8
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2030-08-31
    Registration expires (renewal due).
  • 2023-08-30
    Certificate of registration issued as N831ST.
  • 2023-03-15
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N831ST

N831ST is a 2023 Leonardo AW119 Koala (FAA model AW119MKII), serial number 15844. The FAA register lists Naval Air Systems Command as the registrant in Patuxent River, Maryland. The current certificate of registration was issued on August 30, 2023 and expires on August 31, 2030.

The FAA aircraft reference file describes the type as a turbine helicopter, one Pratt & Whitney Canada PT6B-37A engine and 8 seats. Its airworthiness certificate is standard category (normal), dated March 15, 2023.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N831ST.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N831ST.

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

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Browse: Leonardo aircraft for sale· Leonardo AW119 Koala overview· Aircraft registered in Maryland· Registry by state· FAA registry stats

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.