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Aircraft record

N5521X1973 Aero Commander S2R

DeregisteredUnclaimedSource: FAA, updated Oct 18, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Oct 18, 2021.

Safety record in brief:1 NTSB accident (substantial damage, Aug 2018)1 AD may apply1 service difficulty report

Registration
Deregistered
Last based in
Argyle, MN
owner city / state
Owners
1
on record
NTSB events
1
substantial, 2018
ADs may apply
1
confirm with A&P
Service reports
1
since 1995

Registration

FAA Aircraft Registry · Oct 18, 2026
Last registered owner
Individual owner
City, state
Argyle, MN
Canceled
Oct 18, 2021
Airworthiness
Restricted · Agriculture and Pest Control
Airworthiness date
Jun 5, 1997

We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.

Airframe & engine

FAA Registry + type data

Airframe

Manufacturer
Aero Commander
Model
S2R
Year
1973
Serial number
1721R
Aircraft type
Fixed wing single engine
Category
Land
Certification
Type Certificated
Seats
1
Engines
1
Max takeoff weight
Up to 12,499 lb
Mode S code
A7096A

Engine

Make and model
P&W R1340 Series
Type
Reciprocating
Power
600 hp

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records
  1. until 2021Individual ownerArgyle, MN

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 18, 2026 · SDRs · Oct 16, 2026

NTSB events (1)

Accident · substantial damage

Aug 15, 2018 · Westbrook, MN

A runway excursion during takeoff for reasons that could not be determined based on the available evidence.

Damage
Substantial
Injuries
Minor
Report
CEN18LA332

From NTSB records; matched by serial number.Read NTSB report (search CAROL for CEN18LA332)

Accident history for this model

ADs published since 1998 that may apply (1)

These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.

ADSubjectEffectiveApplies to
99-11-02Pratt & Whitney R-1340 Series Reciprocating EnginesJul 19, 1999Engine (R1340 SERIES)

AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.

Service Difficulty Reports (1)

Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.

  • Stabilizers · hinge · failedAug 9, 1996

    THE TOP HALF OF THE RUDDER SEPARATED AND DEPARTED ACFT LANDING ON NEW YORK THRUWAY. UNEVENTFUL LANDING MADE. INVESTIGATION FOUND THE TOP RUDDER HINGE ('NEW' TYPE TRIPLE DESIGN) FAILED FIRST FOLLOWED BY STRUCTURAL OVERLOAD OF RUDDER TUBULAR SPAR, AND SUBSEQUENT RUDDER SEPARATION APPROXIMATELY 6…

    From FAA Service Difficulty Reports; matched by N-number and serial number.

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 18, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 18, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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