Single-engine turboprop

N4556U

1991 Air Tractor AT-402

Registered No accidents on file
Built
1991
Serial
402-0815
Class
Single-engine turboprop
Engines
Pratt & Whitney PT6A series
Status
Current as of October 2026
Registered owner
Air Care Leasing LLC (LLC)
Based
Lamar, CO
Registration record

N4556U on the FAA register

Type
1991 Air Tractor AT-402
Serial
402-0815
Engines
Pratt & Whitney PT6A series
Registered owner
Air Care Leasing LLC
Lamar, CO
Certificate issued
2021-06-08
Airworthiness date
1991-04-18
Registration expires
2028-06-30
Airworthiness class
Restricted
Mode S (hex)
A587EC
Mode S (octal)
51303754
Seats (type)
1
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-06-30
    Registration expires (renewal due).
  • 2021-06-08
    Certificate of registration issued as N4556U to the current registrant.
  • 1991-04-18
    Airworthiness date on the current FAA record (restricted category).
  • 1989-01-12
    N4556U previously assigned to a Grumman/American General AA5B Tiger / Tiger AA-5B (s/n AA5B1225); cancelled.
  • 1970-05-13
    N4556U previously assigned to a Cessna 150 (s/n 15060556); cancelled.
Overview

About N4556U

N4556U is a 1991 Air Tractor AT-402, serial number 402-0815. The FAA register lists Air Care Leasing LLC as the registrant in Lamar, Colorado. The current certificate of registration was issued on June 8, 2021 and expires on June 30, 2028.

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 April 18, 1991.

No NTSB accident or incident reports and no FAA preliminary notices are on file for this airframe as N4556U. 1 earlier record involves a different aircraft that carried the same N-number.

Safety record

Accident & incident history

1965-08-30 Accident · Franconia Nh, 29 Damage: Substantial NTSB · 3 2475
Reported aircraft: Cessna 150D — a different aircraft that carried the N4556U registration before this airframe.

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 Colorado· 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.