Turbine helicopter

N66SA

2024 Robinson R66

Registered No accidents on file
Built
2024
Serial
1364
Class
Turbine helicopter
Engines
Rolls-Royce 250-C300/A1
Status
Current as of October 2026
Registered owner
Sierra Alpha Helicopters LLC (LLC)
Based
Dover, MA
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2024 Robinson R66
Representative photo of a Robinson R66. Not a photo of N66SA.
Registration record

N66SA on the FAA register

Type
2024 Robinson R66
Serial
1364
Engines
Rolls-Royce 250-C300/A1
Registered owner
Sierra Alpha Helicopters LLC
Dover, MA
Certificate issued
2024-07-02
Airworthiness date
2024-06-21
Registration expires
2031-07-31
Airworthiness class
Standard · normal
Mode S (hex)
A8B371
Mode S (octal)
52131561
Seats (type)
5
Weight class
up to 12,499 lb
Range (type)
270 nm
Cruise (type)
115 kt
Status
Current as of October 2026
Market asking range
$740,000 to $1,456,000
Middle half of 11 live Robinson R66 listings, 2016–2026 models (median $1,100,000). Asking prices, not an appraisal of N66SA.
Registry history

Timeline

  • 2031-07-31
    Registration expires (renewal due).
  • 2024-07-02
    Certificate of registration issued as N66SA to the current registrant.
  • 2024-06-21
    Airworthiness date on the current FAA record (standard category (normal)).
  • 2017-02-28
    N66SA previously assigned to a Homebuilt Moni (s/n 00361); cancelled.
Overview

About N66SA

N66SA is a 2024 Robinson R66, serial number 1364. The FAA register lists Sierra Alpha Helicopters LLC as the registrant in Dover, Massachusetts. The current certificate of registration was issued on July 2, 2024 and expires on July 31, 2031.

The FAA aircraft reference file describes the type as a turbine helicopter, one Rolls-Royce 250-C300/A1 engine and 5 seats. Published figures for the type give a cruise speed of about 115 knots and a range of about 270 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated June 21, 2024.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N66SA.

Cruise
115 kt
Range
270 nm
Fuel burn
23 gph

Published figures for the Robinson R66 type. They describe the model, not this airframe's equipment or condition. Robinson R66 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 N66SA.

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

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All 2,649 aircraft registered in Massachusetts →
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Browse: Robinson aircraft for sale· Robinson R66 overview· Aircraft registered in Massachusetts· 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.