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N4QS

Open the Markdown

1968 Aero Commander 500 S · Lycoming TI0-540 series

Open in FAA registry

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Registered owner
Ponderosa Aviation LLC
Location
Safford, AZ
Owner type
LLC
Serial number
1755-1
Year built
1968
Type
Fixed wing multi engine
Engine
Reciprocating
Airworthiness
Standard, normal, utility
Airworthiness date
October 2, 1968
Certificate issued
May 14, 2026
Expires
May 31, 2033
Mode S code
A4A95E
Aero Commander 500 SAirframe model · 7 seats · 2 engines · 45 registeredTCDS 6A1Airframe · Aero Commander 500 STCDS E14EAEngine · Lycoming TI0-540 series

From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Lycoming TI0-540 model are included below.

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Airworthiness directives that may apply · 63

Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.

1969In forceSuperseded2026
See all 85 ADs

Information bulletins that may apply · 10

Advisory, not mandatory.

Historical bulletins · 2
SAIB NE-08-26R1Dual MagnetosIssued Jul 8, 2008SAIB NE-08-32Propeller Governor Set ScrewIssued Jul 3, 2008

NTSB investigations

No NTSB investigations matched to N4QSMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Aero Commander 500 S aircraft

FAA incident reports

No FAA accident or incident reports matched to N4QSMatched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Aero Commander 500 S aircraft

Service difficulty reports · 2

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

SDR EHS2008F00000Piston · burnedWHILE FLYING A FIRE MISSION IN SUPPORT OF USFS, THE PILOT NOTICED THE RT ENG OIL PRESSURE FLOWLY STARTING TO DECREASE. THE DECISION WAS MADE TO RETURN TO THE AIRPORT. AS OIL PRESSURE CONTINUED TO DECREASE, THE DECISION WAS MADE TO SHUTDOWN, FEATHER, AND SECUJul 2, 2008 · N4QS · Gulstm 500S · Reciprocating Engine Power SectionSDR 98ZZZX3475Tire · failedTIRE DEVELOPED SEVERE CORD SEPARATION, PRODUCED A BUBBLE ON OUTSIDE OF TIRE, AND HAD AIR BETWEEN THE PLYS.Aug 26, 1998 · N4QS · Gulstm 500S · Tire

STCs that may be installed · 266

Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.

See all 266 STCs