Twin piston

N129MB

1971 Aero Commander 500 S

Registered No accidents on file
Built
1971
Serial
3108
Class
Twin piston
Engines
2 × Lycoming TIO-540 series
Status
Current as of October 2026
Registered owner
Yellowfin Air Services LLC (LLC)
Based
Wilmington, DE
Registration record

N129MB on the FAA register

Type
1971 Aero Commander 500 S
Serial
3108
Engines
2 × Lycoming TIO-540 series
Registered owner
Yellowfin Air Services LLC
Wilmington, DE
Certificate issued
2026-08-30
Airworthiness date
1971-06-18
Registration expires
2033-08-31
Airworthiness class
Standard · normal, utility
Mode S (hex)
A07636
Mode S (octal)
50073066
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

  • 2033-08-31
    Registration expires (renewal due).
  • 2026-08-30
    Certificate of registration issued as N129MB.
  • 1971-06-18
    Airworthiness date on the current FAA record (standard category (normal, utility)).
Overview

About N129MB

N129MB is a 1971 Aero Commander 500 S, serial number 3108. The FAA register lists Yellowfin Air Services LLC as the registrant in Wilmington, Delaware. The current certificate of registration was issued on August 30, 2026 and expires on August 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 June 18, 1971.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N129MB.

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 N129MB.

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.