Turbine helicopter

N24111

1955 Sikorsky S-55B

Registered 1 NTSB/FAA record
Built
1955
Serial
55237
Class
Turbine helicopter
Engines
Wright C7BA series
Status
Current as of October 2026
Registered owner
Sierra Aeronautics LLC (LLC)
Based
Franklin, KY
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Registration record

N24111 on the FAA register

Type
1955 Sikorsky S-55B
Serial
55237
Engines
Wright C7BA series
Registered owner
Sierra Aeronautics LLC
Franklin, KY
Certificate issued
2021-09-21
Airworthiness date
1979-03-21
Registration expires
2028-09-30
Airworthiness class
Multiple
Mode S (hex)
A2364B
Mode S (octal)
50433113
Seats (type)
12
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-09-30
    Registration expires (renewal due).
  • 2021-09-21
    Certificate of registration issued as N24111.
  • 1984-07-20
    Accident at Richey, MT; damage: substantial.
  • 1979-03-21
    Airworthiness date on the current FAA record (multiple category).
  • 1955
    Manufactured (1955).
Overview

About N24111

N24111 is a 1955 Sikorsky S-55B, serial number 55237. The FAA register lists Sierra Aeronautics LLC as the registrant in Franklin, Kentucky. The current certificate of registration was issued on September 21, 2021 and expires on September 30, 2028.

The FAA aircraft reference file describes the type as a turbine helicopter, one Wright C7BA series engine and 12 seats. Its airworthiness certificate is multiple category, dated March 21, 1979.

N24111 has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

1984-07-20 Accident · Richey, MT Damage: Substantial NTSB · DEN84LA230
Reported aircraft: Sikorsky S-55B

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

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Browse: Sikorsky aircraft for sale· Aircraft registered in Kentucky· 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.