Single-engine piston

N8991Q

1972 Aero Commander S2R

Registered No accidents on file
Built
1972
Serial
1661R
Class
Single-engine piston
Engines
Pratt & Whitney R1340 series
Status
Current as of October 2026
Registered owner
Thrush Heavy LLC (LLC)
Based
Billings, MT
Registration record

N8991Q on the FAA register

Type
1972 Aero Commander S2R
Serial
1661R
Engines
Pratt & Whitney R1340 series
Registered owner
Thrush Heavy LLC
Billings, MT
Certificate issued
2026-08-10
Airworthiness date
1972-08-04
Registration expires
2033-08-31
Airworthiness class
Restricted
Mode S (hex)
AC694D
Mode S (octal)
53064515
Seats (type)
1
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2033-08-31
    Registration expires (renewal due).
  • 2026-08-10
    Certificate of registration issued as N8991Q.
  • 1972-08-04
    Airworthiness date on the current FAA record (restricted category).
Overview

About N8991Q

N8991Q is a 1972 Aero Commander S2R, serial number 1661R. The FAA register lists Thrush Heavy LLC as the registrant in Billings, Montana. The current certificate of registration was issued on August 10, 2026 and expires on August 31, 2033.

The FAA aircraft reference file describes the type as a single-engine piston, one Pratt & Whitney R1340 series engine and 1 seats. Its airworthiness certificate is restricted category, dated August 4, 1972.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N8991Q.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N8991Q.

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 Montana· 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.