Turbine helicopter

N3173U

1963 Carson Helicopters / Sikorsky S61A

Registered No accidents on file
Built
1963
Serial
61186
Class
Turbine helicopter
Engines
2 × Ge CT58-140-1
Status
Current as of October 2026
Registered owner
Siller Helicopters LLC (LLC)
Based
Chamblee, GA
Registration record

N3173U on the FAA register

Type
1963 Carson Helicopters / Sikorsky S61A
Serial
61186
Engines
2 × Ge CT58-140-1
Registered owner
Siller Helicopters LLC
Chamblee, GA
Certificate issued
2025-04-16
Airworthiness date
2014-03-03
Registration expires
2027-05-31
Airworthiness class
Restricted
Mode S (hex)
A363A6
Mode S (octal)
50661646
Seats (type)
18
Weight class
12,500–19,999 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2027-05-31
    Registration expires (renewal due).
  • 2025-04-16
    Certificate of registration issued as N3173U to the current registrant.
  • 2014-03-03
    Airworthiness date on the current FAA record (restricted category).
  • 1982-11-12
    N3173U previously assigned to a Bell 206L I/C30P / 206L-1 (s/n 45746); cancelled.
  • 1963
    Manufactured (1963).
Overview

About N3173U

N3173U is a 1963 Carson Helicopters / Sikorsky S61A, serial number 61186. The FAA register lists Siller Helicopters LLC as the registrant in Chamblee, Georgia. The current certificate of registration was issued on April 16, 2025 and expires on May 31, 2027.

The FAA aircraft reference file describes the type as a turbine helicopter, two Ge CT58-140-1 engines and 18 seats. Its airworthiness certificate is restricted category, dated March 3, 2014.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N3173U.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N3173U.

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

Same state

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Browse: Aircraft registered in Georgia· 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.