Public Record · As of May 5, 2026
N4172U
Air Tractor AT-402B · 2010 View Type →
Status
Registration Valid
Type
Fixed Wing Single Engine
Engine
P&W CANADA PT6A-15AG
Last Cert Issue
—
01 / Registration
Filed with the Federal Aviation Administration
Every cell below is a literal field from the FAA Aircraft Registry. Click any value to open the FAA registry record for N4172U.
Tail Number
N4172U
Serial Number
402B-1228
Make
AIR TRACTOR INC
Model
AT-402B
Year of Manufacture
2010
Mfr / Model Code
0390208
Type Aircraft
Fixed Wing Single Engine
Type Engine
Turbo-prop
Engines
1
Seats
2
Engine Manufacturer
P&W CANADA
Engine Model
PT6A-15AG
Horsepower
680 hp
Weight Class
CLASS 1
Certification
Restricted (+2 flags) · code 314
Registrant
SKI AG AVIATION LLC · LLC
Address
12101 28TH ST NW · BISMARCK, ND 58503-8413
FAA Region
Central · County 015
Status
Registration Valid
Airworthiness Date
—
Cert Issue Date
—
Expiration Date
—
Last FAA Action
—
Mode S Hex (ICAO24)
A4F0D2
Mode S (Octal)
51170322
Live position via ICAO24 A4F0D2
External services. Live tracks are unaffiliated with TallyAero or the FAA.
02 / NTSB Records
Events on file with the National Transportation Safety Board
03 / Airworthiness Directives
Applicable to AIR TRACTOR INC AT-402B
Federal Aviation Administration airworthiness directives matched to make and model. Each entry links to the Federal Register publication.
No matching airworthiness directives are on file for this make and model in the Federal Register.
04 / Service Difficulty Reports
FAA SDR filings
The FAA does not currently expose a public API for Service Difficulty Reports. We do not back-fill or paraphrase. Search the FAA SDR portal directly →
05 / Related
More on Air Tractor AT-402B in the Atlas
Air Tractor AT-402B type page → — 79 registered · 35 ADs · 38 NTSB records
Recent NTSB events · this type
-
Jul 15, 2025
Wyoming, Illinois Minor
Atlas event → -
Jun 24, 2025
Pierre, South Dakota Serious
Atlas event → -
Jul 29, 2023
Alta, Iowa None
Atlas event → -
Jul 25, 2023
Clara City, Minnesota Fatal
Atlas event → -
Mar 5, 2021
Moorhead, Mississippi None
Atlas event →
Search the full US registry → · All airworthiness directives → · Accident & safety surface →
06 / Sources & Methodology
Every fact on this page links to its primary US-government source
- FAA Aircraft Registry →
Refreshed May 5, 2026
Available
- NTSB CAROL →
Refreshed May 5, 2026
Available
- Federal Register (FAA Airworthiness Directives) →
Refreshed May 5, 2026
Available
- FAA Service Difficulty Reports →
Refreshed May 5, 2026
Unavailable
We render only what the agency publishes. Found a factual error? Report it → We acknowledge within 5 business days and resolve within 14.