Piston helicopter

N4174L

2008 Robinson R44 RAVEN II Piston Helicopters

Registered 1 NTSB/FAA record
Built
2008
Serial
12495
Class
Piston helicopter
Engines
Lycoming IO-540-AE1A5
Status
Current as of October 2026
Registered owner
Cst & Sons LLC (LLC)
Based
South Barrington, IL
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2008 Robinson R44 RAVEN II Piston Helicopters
Representative photo of a Robinson R44 RAVEN II Piston Helicopters. Not a photo of N4174L.
Registration record

N4174L on the FAA register

Type
2008 Robinson R44 RAVEN II Piston Helicopters (FAA: Robinson R44 II)
Serial
12495
Engines
Lycoming IO-540-AE1A5
Registered owner
Cst & Sons LLC
South Barrington, IL
Certificate issued
2016-12-23
Airworthiness date
2021-06-14
Registration expires
2029-12-31
Airworthiness class
Standard · normal
Mode S (hex)
A4F110
Mode S (octal)
51170420
Seats (type)
4
Weight class
up to 12,499 lb
Range (type)
279 nm
Cruise (type)
100 kt
Status
Current as of October 2026
Market asking range
$277,500 to $442,000
Middle half of 29 live Robinson R44 RAVEN II Piston Helicopters listings, 2003–2017 models (median $350,000). Asking prices, not an appraisal of N4174L.
Registry history

Timeline

  • 2029-12-31
    Registration expires (renewal due).
  • 2023-07-26
    Accident at Charles City, IA; damage: substantial.
  • 2021-06-14
    Airworthiness date on the current FAA record (standard category (normal)).
  • 2016-12-23
    Certificate of registration issued as N4174L to the current registrant.
  • 2008
    Manufactured (2008).
  • 1993-11-23
    N4174L previously assigned to a Cessna 172G Skyhawk / 172 Skyhawk (s/n 17254243); cancelled.
Overview

About N4174L

N4174L is a 2008 Robinson R44 RAVEN II Piston Helicopters (FAA model R44 II), serial number 12495. The FAA register lists Cst & Sons LLC as the registrant in South Barrington, Illinois. The current certificate of registration was issued on December 23, 2016 and expires on December 31, 2029.

The FAA aircraft reference file describes the type as a piston helicopter, one Lycoming IO-540-AE1A5 engine and 4 seats. Published figures for the type give a cruise speed of about 100 knots and a range of about 279 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated June 14, 2021.

N4174L has 1 accident/incident record on file (most serious damage: substantial); details are below. 1 earlier record involves a different aircraft that carried the same N-number.

Cruise
100 kt
Range
279 nm
Fuel burn
15 gph

Published figures for the Robinson R44 RAVEN II Piston Helicopters type. They describe the model, not this airframe's equipment or condition. Robinson R44 RAVEN II Piston Helicopters specs, prices and for-sale inventory →

Safety record

Accident & incident history

2023-07-26 Accident · Charles City, IA Damage: Substantial NTSB · CEN23LA326
Reported aircraft: Robinson R44 II
Probable cause: The pilot s improper preflight of the helicopter to ensure that it was within the loading and performance limitations that resulted in settling and impact with terrain during initial climb.
1990-10-27 Accident · Anacortes, WA Damage: Substantial NTSB · SEA91LA011
Reported aircraft: Cessna 172G — a different aircraft that carried the N4174L registration before this airframe.
Probable cause: THE PILOT POORLY COMPENSATED FOR THE WIND CONDITION.

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

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Same state

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Browse: Robinson aircraft for sale· Robinson R44 RAVEN II Piston Helicopters overview· Aircraft registered in Illinois· 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.