Turbine helicopter

N520KY

1992 McDonnell Douglas DOUGLAS 520N Turbine Helicopters

Registered No accidents on file
Built
1992
Serial
LN041
Class
Turbine helicopter
Engines
Allison 250-C20 series
Status
Current as of October 2026
Registered owner
Altadena LLC (LLC)
Based
Birmingham, AL
Registration record

N520KY on the FAA register

Type
1992 McDonnell Douglas DOUGLAS 520N Turbine Helicopters (FAA: McDonnell Douglas 500N)
Serial
LN041
Engines
Allison 250-C20 series
Registered owner
Altadena LLC
Birmingham, AL
Certificate issued
2012-07-30
Airworthiness date
1993-01-04
Registration expires
2028-07-31
Airworthiness class
Standard · normal
Mode S (hex)
A689E6
Mode S (octal)
51504746
Seats (type)
4
Weight class
up to 12,499 lb
Range (type)
250 nm
Cruise (type)
123 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2028-07-31
    Registration expires (renewal due).
  • 2012-07-30
    Certificate of registration issued as N520KY.
  • 1993-01-04
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1992
    Manufactured (1992).
Overview

About N520KY

N520KY is a 1992 McDonnell Douglas DOUGLAS 520N Turbine Helicopters (FAA model 500N), serial number LN041. The FAA register lists Altadena LLC as the registrant in Birmingham, Alabama. The current certificate of registration was issued on July 30, 2012 and expires on July 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 123 knots and a range of about 250 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated January 4, 1993.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N520KY.

Cruise
123 kt
Range
250 nm
Fuel burn
12 gph

Published figures for the McDonnell Douglas DOUGLAS 520N Turbine Helicopters 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 N520KY.

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 Alabama· 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.