Turbine helicopter

N598GY

1970 Bell OH-58A

Registered No accidents on file
Built
1970
Serial
70-15598
Class
Turbine helicopter
Engines
Rolls-Royce 250-C20C
Status
Current as of October 2026
Registered owner
Aerial Defense Holdings LLC (LLC)
Based
Kalispell, MT
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Registration record

N598GY on the FAA register

Type
1970 Bell OH-58A
Serial
70-15598
Engines
Rolls-Royce 250-C20C
Registered owner
Aerial Defense Holdings LLC
Kalispell, MT
Certificate issued
2025-09-02
Airworthiness date
2024-10-16
Registration expires
2032-09-30
Airworthiness class
Experimental · exhibition
Mode S (hex)
A7BBCC
Mode S (octal)
51735714
Seats (type)
4
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2032-09-30
    Registration expires (renewal due).
  • 2025-09-02
    Certificate of registration issued as N598GY.
  • 2024-10-16
    Airworthiness date on the current FAA record (experimental category (exhibition)).
  • 1970
    Manufactured (1970).
Overview

About N598GY

N598GY is a 1970 Bell OH-58A, serial number 70-15598. The FAA register lists Aerial Defense Holdings LLC as the registrant in Kalispell, Montana. The current certificate of registration was issued on September 2, 2025 and expires on September 30, 2032.

The FAA aircraft reference file describes the type as a turbine helicopter, one Rolls-Royce 250-C20C engine and 4 seats. Its airworthiness certificate is experimental category (exhibition), dated October 16, 2024.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N598GY.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N598GY.

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

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Browse: Bell aircraft for sale· Aircraft registered in Montana· 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.