Air Tractor, Inc. Airworthiness Directives

52 ADs indexed for Air Tractor, Inc. aircraft.

Models

Recent ADs

2024-16-06 Recurring

final rule

Airworthiness Directives; Air Tractor, Inc. Airplanes

Unsafe Condition: The unsafe condition on these products is the potential for cracks in the horizontal stabilizer spars, which could result in structural failure of the horizontal tail with consequent loss of contro...

Effective: Sep 4, 2024 Category: aircraft Compliance: Within 7 days or before the airplane accumulates 110 hours TIS since installation of STC No. SA01...

Why matched: Airworthiness Directives; Air Tractor, Inc. Airplanes

2023-15-07 Recurring

final rule

Airworthiness Directives; Air Tractor, Inc. Airplanes

Unsafe Condition: cracks found in the forward horizontal stabilizer spar where the vertical finlets tie to the horizontal tail forward spar

Effective: Aug 9, 2023 Category: aircraft Compliance: Within 3 to 15 days depending on the configuration

Why matched: Airworthiness Directives; Air Tractor, Inc. Airplanes

Technical illustration of a riveted aircraft structural panel and frame
Problem area Airframe structure

2021-05-14 Recurring

final rule

Airworthiness Directives; Air Tractor, Inc., Airplanes

Unsafe Condition: cracks in the flap torque tube attachment brackets that may cause the flap actuator to detach from the flap torque tube

Effective: Apr 29, 2021 Category: aircraft Compliance: Within 300 hours TIS after the effective date of the AD, and then every 345 hours TIS thereafter

Why matched: Airworthiness Directives; Air Tractor, Inc., Airplanes

2014-16-17 Recurring

final rule

Airworthiness Directives; Air Tractor, Inc. Airplanes

Unsafe Condition: Fatigue cracking in the wing main spar lower caps at the center splice joint, as demonstrated in service on Models AT-802 and AT-802A agricultural application airplanes, poses a risk of similar cra...

Effective: Sep 29, 2014 Category: aircraft Compliance: Within 50 flight hours after the effective date of this AD.

Why matched: Airworthiness Directives; Air Tractor, Inc. Airplanes

Technical illustration of a riveted aircraft structural panel and frame
Problem area Airframe structure

Amdt-39-16552 Recurring

final rule

Airworthiness Directives; Air Tractor, Inc. Models AT-802 and AT-802A Airplanes

Unsafe Condition: Cracks in the wing main spar lower cap at the center splice joint, which could result in failure of the spar cap and lead to wing separation and loss of control of the airplane.

Effective: Feb 18, 2011 Category: aircraft Compliance: Within specified time-in-service (TIS) hours as outlined in the AD.

Why matched: Airworthiness Directives; Air Tractor, Inc. Models AT-802 and AT-802A Airplanes

Technical illustration of a riveted aircraft structural panel and frame
Problem area Airframe structure

2010-17-18 Recurring

final rule

Airworthiness Directives; Air Tractor, Inc. Models AT-802 and AT-802A Airplanes

Unsafe Condition: Cracks in the wing main spar lower cap at the center splice joint could result in failure of the spar cap and lead to wing separation and loss of control of the airplane.

Effective: Sep 9, 2010 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Air Tractor, Inc. Models AT-802 and AT-802A Airplanes

Technical illustration of a riveted aircraft structural panel and frame
Problem area Airframe structure

2010-13-08 Recurring

final rule

Airworthiness Directives; Air Tractor, Inc. Models AT-802 and AT-802A Airplanes

Unsafe Condition: Cracks in the wing main spar lower cap at the center splice joint, which could result in failure of the spar cap and lead to wing separation and loss of control of the airplane.

Effective: Jul 28, 2010 Category: aircraft Compliance: Within the time intervals specified in Table 1 of the AD, based on wing main spar lower cap hours...

Why matched: Airworthiness Directives; Air Tractor, Inc. Models AT-802 and AT-802A Airplanes

Technical illustration of a riveted aircraft structural panel and frame
Problem area Airframe structure

2009-18-04

final rule

Airworthiness Directives; Air Tractor, Inc. Models AT-802 and AT-802A Airplanes

Unsafe Condition: Jamming of the rudder-aileron interconnect cables by unsecured items in the baggage compartment, which could result in failure of the rudder-aileron interconnect cable system. This failure could le...

Effective: Oct 1, 2009 Category: aircraft Compliance: Before further flight for securing items; no later than December 31, 2009, for installing the cab...

Why matched: Airworthiness Directives; Air Tractor, Inc. Models AT-802 and AT- 802A Airplanes

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

2009-11-05 Recurring

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Airworthiness Directives; Air Tractor, Inc. Models AT-400, AT-400A, AT-402, AT-402A, AT-402B, AT-502, AT-502A, AT-502B, AT-503A, AT-602, AT-802, and AT-802A Airplanes

Unsafe Condition: Cracks in the engine mounts could result in failure of the engine mount, leading to separation of the engine from the airplane.

Effective: Jun 1, 2009 Category: engine Compliance: Within 50 flight hours after the effective date of this AD.

Why matched: Airworthiness Directives; Air Tractor, Inc. Models AT-400, AT- 400A, AT-402, AT-402A, AT-402B, AT-502, AT-502A, AT-502B, AT-503A, AT- 602, AT-802, and AT-802A Airplanes

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2006-08-08 R1

final rule

Airworthiness Directives; Air Tractor, Inc. Models AT-400, AT- 401, AT-401B, AT-402, AT-402A, and AT-402B Airplanes

Unsafe Condition: Fatigue cracking of the wing lower spar cap could occur, which could result in reduced structural integrity of the wing and possible wing failure.

Effective: May 5, 2009 Category: aircraft Compliance: within 120 flight hours after August 8, 2006, or at the next annual inspection, whichever occurs ...

Why matched: Airworthiness Directives; Air Tractor, Inc. Models AT-400, AT- 401, AT-401B, AT-402, AT-402A, and AT-402B Airplanes

Amdt-39-15849 Recurring

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Airworthiness Directives; Air Tractor, Inc. Models AT-400, AT-401, AT-401B, AT-402, AT-402A, and AT-402B Airplanes

Unsafe Condition: Fatigue cracks in the wing lower spar cap, if not detected and corrected, could result in wing separation and loss of control of the airplane.

Effective: May 5, 2009 Category: aircraft Compliance: Within the specified inspection intervals as outlined in the AD.

Why matched: Airworthiness Directives; Air Tractor, Inc. Models AT-400, AT-401, AT-401B, AT-402, AT-402A, and AT-402B Airplanes

2008-26-01

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Airworthiness Directives; Air Tractor, Inc. Models AT-200, AT-300, AT-400, AT-500, AT-600, and AT-800 Series Airplanes

Unsafe Condition: The front and rear connections of the overturn skid plate to the airplane can break, allowing foreign debris to enter the cockpit during an airplane overturn, which could lead to pilot injury.

Effective: Jan 28, 2009 Category: aircraft Compliance: Within the next 180 days after July 7, 2008 (the effective date of AD 2008-11-17).

Why matched: Airworthiness Directives; Air Tractor, Inc. Models AT-200, AT- 300, AT-400, AT-500, AT-600, and AT-800 Series Airplanes

2008-21-08 Recurring

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Airworthiness Directives; Air Tractor, Inc. Models AT-402, AT-402A, and AT-402B Airplanes

Unsafe Condition: A loose upper rudder hinge caused by fatigue, which can lead to hinge failure, rudder folding over in flight, and potential contact with the elevator, affecting pitch control and leading to loss of...

Effective: Nov 20, 2008 Category: aircraft Compliance: Initially inspect when the airplane reaches a total time-in-service (TIS) of 3,500 hours or withi...

Why matched: Airworthiness Directives; Air Tractor, Inc. Models AT-402, AT- 402A, and AT-402B Airplanes

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

2008-11-17

final rule

Airworthiness Directives; Air Tractor, Inc. AT-200, AT-300, AT-400, AT-500, AT-600, and AT-800 Series Airplanes

Unsafe Condition: The bolts attaching the forward end of the original design overturn skid plate to the airframe can break in an overturn accident, allowing the skid plate to rotate and enter the cockpit area.

Effective: Jul 7, 2008 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Air Tractor, Inc. AT-200, AT-300, AT-400, AT-500, AT-600, and AT-800 Series Airplanes

2008-10-12 Recurring

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Airworthiness Directives; Air Tractor, Inc. AT-400, AT-500, AT-600, and AT-800 Series Airplanes

Unsafe Condition: Cracks in the engine mount, specifically where the lower engine mount tube is welded to the engine mount ring, could result in failure of the engine mount, leading to separation of the engine from ...

Effective: Jun 12, 2008 Category: engine Compliance: Within the compliance times and effective dates specified in AD 2007-13-17 for Model AT-602, AT-8...

Why matched: Airworthiness Directives; Air Tractor, Inc. AT-400, AT-500, AT-600, and AT-800 Series Airplanes

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2008-09-10 Recurring

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Airworthiness Directives; Air Tractor, Inc. Models AT-300, AT-301, AT-302, AT-400, and AT-400A Airplanes

Unsafe Condition: Cracks in the wing centerline splice joint could result in the wing separating from the airplane during flight.

Effective: May 8, 2008 Category: aircraft Compliance: Within the specified safe life limit or as extended by the wing lower spar cap splice rework, wit...

Why matched: Airworthiness Directives; Air Tractor, Inc. Models AT-300, AT- 301, AT-302, AT-400, and AT-400A Airplanes

2007-13-17 Recurring

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Airworthiness Directives; Air Tractor, Inc. Models AT-602, AT-802, and AT-802A Airplanes

Unsafe Condition: Reports of cracked engine mounts in two Model AT-802A airplanes below the initial compliance time in AD 2006-22-08. Cracks in the engine mount could result in failure of the engine mount, leading t...

Effective: Aug 10, 2007 Category: engine Compliance: Initially inspect when the airplane reaches a total of 1,300 hours TIS.

Why matched: Airworthiness Directives; Air Tractor, Inc. Models AT-602, AT-802, and AT-802A Airplanes

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2007-10-01 Recurring

final rule

Airworthiness Directives; Air Tractor, Inc. Model AT-602 Airplanes

Unsafe Condition: Cracks in the horizontal stabilizer brace tube assembly, part number 30012-7, which could result in failure of the horizontal stabilizer and affect the ability to control pitch with consequent loss...

Effective: Jun 12, 2007 Category: aircraft Compliance: Within 60 days after June 12, 2007, or upon accumulating 2,000 hours time-in-service (TIS), which...

Why matched: Airworthiness Directives; Air Tractor, Inc. Model AT-602 Airplanes

2006-24-10

final rule

Airworthiness Directives; Air Tractor, Inc. Models AT-501, AT-502, AT-502A, AT-502B, and AT-503A Airplanes

Unsafe Condition: Fatigue cracks in the wing lower spar cap could result in failure of the spar cap and lead to wing separation.

Effective: Jan 8, 2007 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Air Tractor, Inc. Models AT-501, AT- 502, AT-502A, AT-502B, and AT-503A Airplanes

2006-23-14 Recurring

final rule

Airworthiness Directives; Air Tractor, Inc. Models AT-502, AT-502A, AT-502B, AT-602, AT-802, and AT-802A Airplanes

Unsafe Condition: Rudder separation from the vertical fin at the upper attach hinge area due to loose fasteners, cracks, or corrosion in the rudder and vertical fin hinge attaching structure.

Effective: Dec 21, 2006 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Air Tractor, Inc. Models AT-502, AT- 502A, AT-502B, AT-602, AT-802, and AT-802A Airplanes

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

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