Piston helicopter

N509KM

1997 Robinson R44 Raven I

Registered No accidents on file
Built
1997
Serial
0327
Class
Piston helicopter
Engines
Lycoming O-540F1 SERIE
Status
Current as of October 2026
Registered owner
Cedar Ridge Aviation LLC (LLC)
Based
Knox City, TX
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Registration record

N509KM on the FAA register

Type
1997 Robinson R44 Raven I
Serial
0327
Engines
Lycoming O-540F1 SERIE
Registered owner
Cedar Ridge Aviation LLC
Knox City, TX
Certificate issued
2024-03-16
Airworthiness date
2026-06-26
Registration expires
2031-03-31
Airworthiness class
Restricted
Mode S (hex)
A65C4C
Mode S (octal)
51456114
Seats (type)
4
Weight class
up to 12,499 lb
Range (type)
279 nm
Cruise (type)
100 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2031-03-31
    Registration expires (renewal due).
  • 2026-06-26
    Airworthiness date on the current FAA record (restricted category).
  • 2024-03-16
    Certificate of registration issued as N509KM.
  • 1997
    Manufactured (1997).
Overview

About N509KM

N509KM is a 1997 Robinson R44 Raven I, serial number 0327. The FAA register lists Cedar Ridge Aviation LLC as the registrant in Knox City, Texas. The current certificate of registration was issued on March 16, 2024 and expires on March 31, 2031.

The FAA aircraft reference file describes the type as a piston helicopter, one Lycoming O-540F1 SERIE 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 restricted category, dated June 26, 2026.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N509KM.

Cruise
100 kt
Range
279 nm
Fuel burn
15 gph

Published figures for the Robinson R44 Raven I type. They describe the model, not this airframe's equipment or condition. Robinson R44 Raven I 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 N509KM.

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 I overview· Aircraft registered in Texas· 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.