N4174L — 2008 Robinson Helicopter Company R44 II
Active registrationChecked against FAA & NTSB records · as of Jul 11, 2026
N4174L appears in 1 NTSB accident record (most recent 2023, no injuries). Registration and accident data compiled from public FAA and NTSB records as of Jul 11, 2026.
Aircraft record
- Serial number
- 12495
- Manufacturer
- Robinson Helicopter Company
- Model
- R44 II
- Year
- 2008
- Category
- Rotorcraft
- Engine
- Lycoming Io-540-ae1a5
- Registration
- Active
- Registered to
- Cst & Sons Llc — South Barrington, IL
Accident & incident history
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.
Registration timeline
Ownership and registration events for this airframe (the 2008 Robinson Helicopter Company R44 II).
- Dec 23, 2016registered — Cst & Sons Llc
Earlier aircraft on this N-number
The tail number N4174L was previously assigned to a different aircraft. A registration number can be reused across unrelated airframes over decades — these are not the 2008 Robinson Helicopter Company R44 II above.
- until Nov 23, 1993Cessna 172G (s/n 17254243)
Frequently asked
- Has N4174L been in an accident?
- Yes. N4174L appears in 1 NTSB accident record, the most recent in 2023.
- What kind of aircraft is N4174L?
- N4174L is a 2008 Robinson Helicopter Company R44 II (rotorcraft), serial number 12495.
- Who is N4174L registered to?
- N4174L is registered to Cst & Sons Llc of South Barrington, IL. Registration status: active.
The full N4174L report
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- Full NTSB investigation narratives for all 1 record — the complete text, not just the cause line
- Pre-buy question list generated from this aircraft’s actual records
- Complete registration & deregistration timeline, print-ready
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