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N4172U
AIR TRACTOR INC AT-402B
BISMARCK, ND
Valid
Mfr Year: 2010
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Registrant
SKI AG AVIATION LLC
Registration Exp
Jun 30, 2028
Airworthiness Date
May 21, 2010
Cert Issue Date
Jun 4, 2015
Seats
2
Engines
1
Cruise Speed
0 kts
Max Weight
CLASS 1
Engine Type
Turbo-prop
Aircraft Type
Fixed wing single engine
Fractional
No
Last Activity
May 19, 2023

🛠️ Airworthiness Directive Exposure & Fleet Context

This AIR TRACTOR INC AT-402B airframe/engine combination has 16 current type-applicable Airworthiness Directives (17 airframe, 7 engine) and 8 historical. AD applicability is type-based — compliance status for N4172U must be verified against the aircraft maintenance logbooks.

Search FAA DRS for applicable ADs →

N4172U is one of 98 AIR TRACTOR INC AT-402B aircraft on the U.S. registry · fleet median year 2009.

⚠️ NTSB Accident & Incident Records

1 NTSB accident/incident record associated with N4172U — details below.

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External Research Links

Airworthiness Directives (ADs)
Search FAA DRS for ADs — filter by Model: AT-402B
Search FAA DRS →
Title & Lien History
Bills of sale, liens & security agreements — search N4172U (free FAA account)
Open FAA CARES →
NTSB Full Database
Deep search NTSB CAROL — enter N4172U in Registration Number
Open NTSB CAROL →
Aviation Weather
METAR, TAF, winds aloft & radar — official FAA weather service
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FAA Registry (Official)
Official FAA record for N4172U — authoritative government source
Open FAA Registry →

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Data sourced from FAA Aircraft Registry · Updated daily · Look up another N-Number