Turbine helicopter

N571HH

1977 Hughes 500D

Registered 1 NTSB/FAA record
Built
1977
Serial
470125D
Class
Turbine helicopter
Engines
Allison 250-C20 series
Status
Current as of October 2026
Registered owner
Hlh Leasing LLC (LLC)
Based
Wilmington, DE
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1977 Hughes 500D
Representative photo of a Hughes 500D. Not a photo of N571HH.
Registration record

N571HH on the FAA register

Type
1977 Hughes 500D (FAA: Hughes Helicopters HUGHES 369D)
Serial
470125D
Engines
Allison 250-C20 series
Registered owner
Hlh Leasing LLC
Wilmington, DE
Certificate issued
2021-01-11
Airworthiness date
1999-03-15
Registration expires
2028-01-31
Airworthiness class
Standard · normal
Mode S (hex)
A752D7
Mode S (octal)
51651327
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

  • 2028-01-31
    Registration expires (renewal due).
  • 2021-01-11
    Certificate of registration issued as N571HH.
  • 2018-01-11
    Accident at San Juan, PR.
  • 1999-03-15
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1977
    Manufactured (1977).
Overview

About N571HH

N571HH is a 1977 Hughes 500D (FAA model HUGHES 369D), serial number 470125D. The FAA register lists Hlh Leasing LLC as the registrant in Wilmington, Delaware. The current certificate of registration was issued on January 11, 2021 and expires on January 31, 2028.

The FAA aircraft reference file describes the type as a turbine helicopter, one Allison 250-C20 series 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 standard category (normal), dated March 15, 1999.

N571HH has 1 accident/incident record on file; details are below.

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

2018-01-11 Accident · San Juan, PR Serious injury NTSB · ERA18LA091
Reported aircraft: Hughes 369
Probable cause: The helicopter pilot's improper decision to use an open-end grapple, instead of an A-frame attachment, to lift and move a ladder with a lineman on it and the lineman's improper decision to be lifted on a ladder via an open-end grapple, which were contrary to company policy and the Federal Aviation Regulations.

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

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Other turbine helicopters on the register

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  • N290LH1977 Bell 206B III Turbine Helicopters
  • N415WC1981 Hughes Helicopters 369E
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Browse: Aircraft registered in Delaware· 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.