Single-engine turboprop

N5091N

1997 Air Tractor AT-502B

Registered 1 NTSB/FAA record
Built
1997
Serial
502B-0475
Class
Single-engine turboprop
Engines
Pratt & Whitney PT6A series
Status
Current as of October 2026
Registered owner
Farm Air Flying Service LLC (LLC)
Based
Sacramento, CA
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Registration record

N5091N on the FAA register

Type
1997 Air Tractor AT-502B
Serial
502B-0475
Engines
Pratt & Whitney PT6A series
Registered owner
Farm Air Flying Service LLC
Sacramento, CA
Certificate issued
2019-04-02
Airworthiness date
1997-12-16
Registration expires
2029-04-30
Airworthiness class
Restricted
Mode S (hex)
A65DE7
Mode S (octal)
51456747
Seats (type)
1
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2029-04-30
    Registration expires (renewal due).
  • 2019-04-02
    Certificate of registration issued as N5091N to the current registrant.
  • 2016-06-01
    Accident at Nicolaus, CA; damage: substantial.
  • 1997-12-16
    Airworthiness date on the current FAA record (restricted category).
  • 1965-05-20
    N5091N previously assigned to a Piper J-3 Cub / J3 Cub / L-4 Cub (s/n 45-4696); cancelled.
Overview

About N5091N

N5091N is a 1997 Air Tractor AT-502B, serial number 502B-0475. The FAA register lists Farm Air Flying Service LLC as the registrant in Sacramento, California. The current certificate of registration was issued on April 2, 2019 and expires on April 30, 2029.

The FAA aircraft reference file describes the type as a single-engine turboprop, one Pratt & Whitney PT6A series engine and 1 seats. Its airworthiness certificate is restricted category, dated December 16, 1997.

N5091N 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

2016-06-01 Accident · Nicolaus, CA Damage: Substantial NTSB · GAA16CA303
Reported aircraft: Air Tractor AT 502
Probable cause: The pilot's insufficient clearance from a power line during aerial application operations, which resulted in a power line strike, a forced landing on unsuitable terrain, loss of directional control, and collision with terrain.
1993-06-17 Accident · Randolph Center, VT Damage: Substantial NTSB · NYC93LA121
Reported aircraft: Cessna 182Q — a different aircraft that carried the N5091N registration before this airframe.
Probable cause: THE PILOT SELECTED UNSUITABLE TERRAIN WHICH RESULTED IN COLLAPSE OF THE LANDING GEAR AND THE AIRPLANE NOSING OVER. A CONTRIBUTING FACTOR WAS A SOFT/WET RUNWAY.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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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.