Twin piston

N999SK

1997 Raytheon 58

Registered No accidents on file
Built
1997
Serial
TH-1815
Class
Twin piston
Engines
2 × Continental IO-550 series
Status
Current as of October 2026
Registered owner
Wkqm LLC (LLC)
Based
Wilmington, DE
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Registration record

N999SK on the FAA register

Type
1997 Raytheon 58
Serial
TH-1815
Engines
2 × Continental IO-550 series
Registered owner
Wkqm LLC
Wilmington, DE
Certificate issued
2015-07-16
Airworthiness date
1997-05-05
Registration expires
2028-07-31
Airworthiness class
Standard · normal
Mode S (hex)
ADF5AC
Mode S (octal)
53372654
Seats (type)
6
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-07-31
    Registration expires (renewal due).
  • 2015-07-16
    Certificate of registration issued as N999SK to the current registrant.
  • 2005-04-28
    N999SK previously assigned to a Piper Arrow II (s/n 28R-7535284); cancelled.
  • 1997-05-05
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N999SK

N999SK is a 1997 Raytheon 58, serial number TH-1815. The FAA register lists Wkqm LLC as the registrant in Wilmington, Delaware. The current certificate of registration was issued on July 16, 2015 and expires on July 31, 2028.

The FAA aircraft reference file describes the type as a twin piston, two Continental IO-550 series engines and 6 seats. Its airworthiness certificate is standard category (normal), dated May 5, 1997.

No NTSB accident or incident reports and no FAA preliminary notices are on file for this airframe as N999SK. 1 earlier record involves a different aircraft that carried the same N-number.

Safety record

Accident & incident history

2005-03-26 Accident · West Lafayette, IN Damage: Destroyed Fatal injury NTSB · CHI05FA081
Reported aircraft: Piper PA-28R-200 — a different aircraft that carried the N999SK registration before this airframe.
Probable cause: The pilot's inadvertent flight into instrument conditions and his not maintaining control of the complex airplane during initial climb. Factors in the accident were the low ceiling, the early dawn condition, and the pilots intentional unauthorized use of the airplane.

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

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Browse: Aircraft registered in Delaware· 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.