Piston helicopter

N491SA

2009 Robinson R44

Registered No accidents on file
Built
2009
Serial
12831
Class
Piston helicopter
Engines
Lycoming IO-540-AE1A5
Status
Current as of October 2026
Registered owner
Shier Aviation Corp Dba + 1 co-owner (Corporation)
Based
San Diego, CA
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2009 Robinson R44
Representative photo of a Robinson R44. Not a photo of N491SA.
Registration record

N491SA on the FAA register

Type
2009 Robinson R44 (FAA: Robinson R44 II)
Serial
12831
Engines
Lycoming IO-540-AE1A5
Registered owner
Shier Aviation Corp Dba + 1 co-owner
San Diego, CA
Certificate issued
2009-07-10
Airworthiness date
2009-06-16
Registration expires
2027-10-31
Airworthiness class
Standard · normal
Mode S (hex)
A61560
Mode S (octal)
51412540
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
$212,982 to $726,085
Middle half of 3 live Robinson R44 listings, 2005–2018 models (median $595,000). Asking prices, not an appraisal of N491SA.
Registry history

Timeline

  • 2027-10-31
    Registration expires (renewal due).
  • 2009-07-10
    Certificate of registration issued as N491SA to the current registrant.
  • 2009-06-16
    Airworthiness date on the current FAA record (standard category (normal)).
  • 2005-06-02
    N491SA previously assigned to a Douglas DC9-15 (s/n 45799); cancelled.
Overview

About N491SA

N491SA is a 2009 Robinson R44 (FAA model R44 II), serial number 12831. The FAA register lists Shier Aviation Corp Dba + 1 co-owner as the registrant in San Diego, California. The current certificate of registration was issued on July 10, 2009 and expires on October 31, 2027.

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 16, 2009.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N491SA.

Cruise
100 kt
Range
279 nm
Fuel burn
15 gph

Published figures for the Robinson R44 type. They describe the model, not this airframe's equipment or condition. Robinson R44 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 N491SA.

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 overview· Aircraft registered in California· 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.