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Airworthiness Directive

AD 2026-16-12 91 FR 52490 Active

Federal Aviation Administration · 14 CFR part 39

Federal Register (opens in a new tab)FAA DRS (opens in a new tab)

FR document
2026-16672
Amendment
39-23442
Published
2026-08-14
Effective
2026-08-31
Models covered
1

Last live check: 2026-08-19

Printed from https://aircraftdirectives.com/ad/2026-16-12 · AircraftDirectives restates official FAA and manufacturer records; the official sources named on this sheet control. Not an airworthiness determination.

This page is a reference Record, not an airworthiness or compliance determination. Official FAA and manufacturer sources control over our restatement, subject to governing law. Check applicability, current requirements and incorporated documents before acting. The owner or operator remains responsible for airworthiness and required records under 14 CFR 91.403 and 91.417, as applicable. Terms of Use: /terms.

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AD

2026-16-12

FR doc 2026-16672 · 91 FR 52490

AD 2026-16-12Published 2026-08-14Effective 2026-08-31

Supersedes 2024-16-06

Supersedence is read from the Federal Register text of the newer AD — the FAA publishes no structured field for it — and names only ADs held in our index.

FAA rule - 14 CFR 39

FAA rule. Compliance with an applicable AD is required under 14 CFR 39.7. Check its effective date, applicability, compliance times and current status.

The FAA is superseding Airworthiness Directive (AD) 2024-16- 06, which applied to all Air Tractor, Inc.

Full official abstract

The FAA is superseding Airworthiness Directive (AD) 2024-16- 06, which applied to all Air Tractor, Inc. (Air Tractor) Model AT-802 and AT-802A airplanes with Wipaire, Inc. Supplemental Type Certificate (STC) No. SA01795CH installed. AD 2024-16-06 required repetitively inspecting the left and right, forward and rear, horizontal stabilizer spars for cracks, replacing any horizontal stabilizer spar found cracked or damaged, installing bathtub fittings, and reporting inspection results to the FAA. Since the FAA issued AD 2024-16-06, additional cracks in the horizontal stabilizer spars were reported where the vertical fin structural support brace mounts to the horizontal stabilizer spar. This AD retains all the actions of AD 2024- 16-06 and adds inspections to another area. The FAA is issuing this AD to address the unsafe condition on these products.

More directives for Air Tractor AT-Series

  1. AD 2024-16-06 Airworthiness Directives; Air Tractor, Inc. Airplanes Effective 2024-09-04
  2. AD 2023-15-07 Airworthiness Directives; Air Tractor, Inc. Airplanes Effective 2023-08-09
  3. AD 2021-05-14 Airworthiness Directives; Air Tractor, Inc., Airplanes Effective 2021-04-29
  4. AD 2014-16-17 Airworthiness Directives; Air Tractor, Inc. Airplanes Effective 2014-09-29
  5. AD 2010-17-18 R1 Airworthiness Directives; Air Tractor, Inc. Models AT-802 and AT-802A Ai... Effective 2011-02-18

All Air Tractor AT-Series directives

View on Federal Register (opens in a new tab) View this AD in FAA DRS (opens in a new tab) Print AD packet (opens the full Federal Register document in a new tab)

Applies to 1 model in our index