Twin piston

N4QS

1968 Aero Commander 500 S

Registered No accidents on file
Built
1968
Serial
1755-1
Class
Twin piston
Engines
2 × Lycoming TIO-540 series
Status
Current as of October 2026
Registered owner
Ponderosa Aviation LLC (LLC)
Based
Safford, AZ
Registration record

N4QS on the FAA register

Type
1968 Aero Commander 500 S
Serial
1755-1
Engines
2 × Lycoming TIO-540 series
Registered owner
Ponderosa Aviation LLC
Safford, AZ
Certificate issued
2026-05-14
Airworthiness date
1968-10-02
Registration expires
2033-05-31
Airworthiness class
Standard · normal, utility
Mode S (hex)
A4A95E
Mode S (octal)
51124536
Seats (type)
7
Weight class
up to 12,499 lb
Range (type)
936 nm
Cruise (type)
176 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2033-05-31
    Registration expires (renewal due).
  • 2026-05-14
    Certificate of registration issued as N4QS.
  • 1968-10-02
    Airworthiness date on the current FAA record (standard category (normal, utility)).
Overview

About N4QS

N4QS is a 1968 Aero Commander 500 S, serial number 1755-1. The FAA register lists Ponderosa Aviation LLC as the registrant in Safford, Arizona. The current certificate of registration was issued on May 14, 2026 and expires on May 31, 2033.

The FAA aircraft reference file describes the type as a twin piston, two Lycoming TIO-540 series engines and 7 seats. Published figures for the type give a cruise speed of about 176 knots and a range of about 936 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal, utility), dated October 2, 1968.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N4QS.

Cruise
176 kt
Range
936 nm
Fuel burn
17 gph

Published figures for the Aero Commander 500 S type. They describe the model, not this airframe's equipment or condition.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N4QS.

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

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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.