Piston helicopter

N129ES

2008 Robinson R44 RAVEN II Piston Helicopters

Registered No accidents on file
Built
2008
Serial
12173
Class
Piston helicopter
Engines
Lycoming IO-540-AE1A5
Status
Current as of October 2026
Registered owner
Whirlybird Aviation LLC (LLC)
Based
Naples, ID
2008 Robinson R44 RAVEN II Piston Helicopters
Representative photo of a Robinson R44 RAVEN II Piston Helicopters. Not a photo of N129ES.
Registration record

N129ES on the FAA register

Type
2008 Robinson R44 RAVEN II Piston Helicopters (FAA: Robinson R44 II)
Serial
12173
Engines
Lycoming IO-540-AE1A5
Registered owner
Whirlybird Aviation LLC
Naples, ID
Certificate issued
2023-10-17
Airworthiness date
2008-02-26
Registration expires
2030-10-31
Airworthiness class
Standard · normal
Mode S (hex)
A07596
Mode S (octal)
50072626
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 N129ES.
Registry history

Timeline

  • 2030-10-31
    Registration expires (renewal due).
  • 2023-10-17
    Certificate of registration issued as N129ES.
  • 2008-02-26
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N129ES

N129ES is a 2008 Robinson R44 RAVEN II Piston Helicopters (FAA model R44 II), serial number 12173. The FAA register lists Whirlybird Aviation LLC as the registrant in Naples, Idaho. The current certificate of registration was issued on October 17, 2023 and expires on October 31, 2030.

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 February 26, 2008.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N129ES.

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

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N129ES.

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

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