Twin piston

N999SW

1979 Beechcraft B60 Duke

Registered No accidents on file
Built
1979
Serial
P-505
Class
Twin piston
Engines
2 × Lycoming TIO-541 series
Status
Current as of October 2026
Registered owner
Eis Equipment LLC (LLC)
Based
Eau Claire, WI
Registration record

N999SW on the FAA register

Type
1979 Beechcraft B60 Duke (FAA: Beechcraft B-60)
Serial
P-505
Engines
2 × Lycoming TIO-541 series
Registered owner
Eis Equipment LLC
Eau Claire, WI
Certificate issued
2014-06-27
Airworthiness date
1979-05-16
Registration expires
2027-06-30
Airworthiness class
Standard · normal
Mode S (hex)
ADF5B7
Mode S (octal)
53372667
Seats (type)
6
Weight class
up to 12,499 lb
Range (type)
1,010 nm
Cruise (type)
233 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2027-06-30
    Registration expires (renewal due).
  • 2014-06-27
    Certificate of registration issued as N999SW to the current registrant.
  • 2008-02-06
    N999SW previously assigned to a Cessna 172P Skyhawk (s/n 17274351); cancelled.
  • 1979-05-16
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N999SW

N999SW is a 1979 Beechcraft B60 Duke (FAA model B-60), serial number P-505. The FAA register lists Eis Equipment LLC as the registrant in Eau Claire, Wisconsin. The current certificate of registration was issued on June 27, 2014 and expires on June 30, 2027.

The FAA aircraft reference file describes the type as a twin piston, two Lycoming TIO-541 series engines and 6 seats. Published figures for the type give a cruise speed of about 233 knots and a range of about 1,010 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated May 16, 1979.

No NTSB accident or incident reports and no FAA preliminary notices are on file for this airframe as N999SW. 1 earlier record involves a different aircraft that carried the same N-number.

Cruise
233 kt
Range
1,010 nm
Fuel burn
41 gph

Published figures for the Beechcraft B60 Duke type. They describe the model, not this airframe's equipment or condition. Beechcraft B60 Duke specs, prices and for-sale inventory →

Safety record

Accident & incident history

2000-01-03 Accident · Houston, TX Damage: Substantial NTSB · FTW00LA058
Reported aircraft: Cessna A185F — a different aircraft that carried the N999SW registration before this airframe.
Probable cause: the loss of engine power during climb as a result of fatigue cracking of the #4 cylinder head and its subsequent separation from its barrel.

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

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Browse: Beechcraft aircraft for sale· Beechcraft B60 Duke overview· Aircraft registered in Wisconsin· 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.