Twin piston

N999SX

Piper Navajo

Registered No accidents on file
Built
—
Serial
31-587
Class
Twin piston
Engines
2 × Lycoming TIO-540 series
Status
Current as of October 2026
Registered owner
Piper Panther LLC (LLC)
Based
Lewes, DE
What's N999SX worth? Track flights
Registration record

N999SX on the FAA register

Type
Piper Navajo (FAA: Piper PA-31-310)
Serial
31-587
Engines
2 × Lycoming TIO-540 series
Registered owner
Piper Panther LLC
Lewes, DE
Certificate issued
2020-06-10
Airworthiness date
1969-11-12
Registration expires
2027-06-30
Airworthiness class
Standard · normal
Mode S (hex)
ADF5B8
Mode S (octal)
53372670
Seats (type)
8
Weight class
up to 12,499 lb
Range (type)
840 nm
Cruise (type)
215 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2027-06-30
    Registration expires (renewal due).
  • 2020-06-10
    Certificate of registration issued as N999SX.
  • 1969-11-12
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N999SX

N999SX is a Piper Navajo (FAA model PA-31-310), serial number 31-587. The FAA register lists Piper Panther LLC as the registrant in Lewes, Delaware. The current certificate of registration was issued on June 10, 2020 and expires on June 30, 2027.

The FAA aircraft reference file describes the type as a twin piston, two Lycoming TIO-540 series engines and 8 seats. Published figures for the type give a cruise speed of about 215 knots and a range of about 840 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated November 12, 1969.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N999SX.

Cruise
215 kt
Range
840 nm
Takeoff over 50 ft
890 ft
Landing over 50 ft
1,115 ft
Fuel burn
34 gph

Published figures for the Piper Navajo type. They describe the model, not this airframe's equipment or condition. Piper Navajo 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 N999SX.

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

Same model

More Piper Navajo aircraft

N100NE
Piper Navajo
N100RT
Piper Navajo
N310PG
Piper Navajo
N3176H
Piper Navajo
N31FF
Piper Navajo
N3551C
Piper Navajo
N3949W
Piper Navajo
N4077N
Piper Navajo
All 131 Piper Navajo registrations →
Same state

Other aircraft registered in Delaware

N999PL
2011 Beechcraft G36 Bonanza
N999RA
1999 Renaissance Acft 8-F
N999SK
1997 Raytheon 58
N999VH
2003 Maule M-7-235C
N999VP
Evektor Harmony
N999VR
2006 Bombardier Challenger 300
All 10,965 aircraft registered in Delaware →
Similar aircraft

Other twin pistons on the register

  • N107DB Cessna T337G / P337G / Skymaster T-337G
  • N132RX Cessna 402C Business Liner
  • N10EJ Aerostar 601P / Aerostar
  • N112HR Cessna 310
  • N1311L Cessna 337G
  • N2029C Beechcraft 95 Travel Air
More from Piper

Piper models on the register

Own N999SX?

Get a free valuation, digitize the logbooks, or list it on fyiAero.

Free valuation Logbook transcription

Browse: Piper aircraft for sale· Piper Navajo overview· 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.