Turbine helicopter

N451HA

1979 Hughes 500D

Registered No accidents on file
Built
1979
Serial
490484D
Class
Turbine helicopter
Engines
Allison 250-C20B
Status
Current as of October 2026
Registered owner
Iron Horse Aviation LLC (LLC)
Based
Marshalltown, IA
1979 Hughes 500D
Representative photo of a Hughes 500D. Not a photo of N451HA.
Registration record

N451HA on the FAA register

Type
1979 Hughes 500D (FAA: Hughes Helicopters HUGHES 369D)
Serial
490484D
Engines
Allison 250-C20B
Registered owner
Iron Horse Aviation LLC
Marshalltown, IA
Certificate issued
2022-11-05
Airworthiness date
2022-07-05
Registration expires
2029-11-30
Airworthiness class
Multiple
Mode S (hex)
A57683
Mode S (octal)
51273203
Seats (type)
4
Weight class
up to 12,499 lb
Range (type)
232 nm
Cruise (type)
125 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2029-11-30
    Registration expires (renewal due).
  • 2022-11-05
    Certificate of registration issued as N451HA.
  • 2022-07-05
    Airworthiness date on the current FAA record (multiple category).
  • 1979
    Manufactured (1979).
Overview

About N451HA

N451HA is a 1979 Hughes 500D (FAA model HUGHES 369D), serial number 490484D. The FAA register lists Iron Horse Aviation LLC as the registrant in Marshalltown, Iowa. The current certificate of registration was issued on November 5, 2022 and expires on November 30, 2029.

The FAA aircraft reference file describes the type as a turbine helicopter, one Allison 250-C20B engine and 4 seats. Published figures for the type give a cruise speed of about 125 knots and a range of about 232 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is multiple category, dated July 5, 2022.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N451HA.

Cruise
125 kt
Range
232 nm
Fuel burn
12 gph

Published figures for the Hughes 500D type. They describe the model, not this airframe's equipment or condition.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N451HA.

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

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Browse: Aircraft registered in Iowa· 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.