Single-engine piston

N51AR

1970 Aero Commander S2R

Registered 1 NTSB/FAA record
Built
1970
Serial
1523R
Class
Single-engine piston
Engines
Walter M601 series
Status
Current as of October 2026
Registered owner
Olsem Aerial Application Services LLC (LLC)
Based
Westbrook, MN
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Registration record

N51AR on the FAA register

Type
1970 Aero Commander S2R
Serial
1523R
Engines
Walter M601 series
Registered owner
Olsem Aerial Application Services LLC
Westbrook, MN
Certificate issued
2017-02-28
Airworthiness date
2008-06-04
Registration expires
2030-02-28
Airworthiness class
Restricted
Mode S (hex)
A65F26
Mode S (octal)
51457446
Seats (type)
1
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2030-02-28
    Registration expires (renewal due).
  • 2017-02-28
    Certificate of registration issued as N51AR to the current registrant.
  • 2010-07-22
    Accident at McCook, NE; damage: substantial.
  • 2008-06-04
    Airworthiness date on the current FAA record (restricted category).
  • 1997-10-16
    N51AR previously assigned to a Piper PA-22-150 (s/n 227493); cancelled.
  • 1970
    Manufactured (1970).
Overview

About N51AR

N51AR is a 1970 Aero Commander S2R, serial number 1523R. The FAA register lists Olsem Aerial Application Services LLC as the registrant in Westbrook, Minnesota. The current certificate of registration was issued on February 28, 2017 and expires on February 28, 2030.

The FAA aircraft reference file describes the type as a single-engine piston, one Walter M601 series engine and 1 seats. Its airworthiness certificate is restricted category, dated June 4, 2008.

N51AR has 1 accident/incident record on file (most serious damage: substantial); details are below. 1 earlier record involves a different aircraft that carried the same N-number.

Safety record

Accident & incident history

2010-07-22 Accident · McCook, NE Damage: Substantial Serious injury NTSB · CEN10LA422
Reported aircraft: Aero Commander S2R
Probable cause: The pilot's inadequate visual lookout during taxi, which resulted in a collision with a parked airplane.
1994-07-24 Accident · Murphy Springs, ID Damage: Substantial Minor injury NTSB · LAX94LA297
Reported aircraft: Piper PA-22-150 — a different aircraft that carried the N51AR registration before this airframe.
Probable cause: THE PILOT'S IMPROPER IN-FLIGHT DECISION TO MANEUVER IN A CANYON AT SUCH LOW ALTITUDE THAT HE COULD NOT OUT CLIMB THE ADJACENT RISING TERRAIN.

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 Minnesota· 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.