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Airworthiness Directive

AD 99-16-09 64 FR 43058 Active

Federal Aviation Administration · 14 CFR part 39

Requires verifying the torque on the vertical fin attachment bolts (bolts); inspecting the vertical fin and tailboom fittings for cracks, elongation of bolt holes, distortion and corrosion; and re-verifying the torque on the…

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FR document
99-20057
Amendment
39-11244
Published
1999-08-09
Effective
1999-08-24
Models covered
1

Last live check: 2026-08-19

Printed from https://aircraftdirectives.com/ad/99-16-09 · AircraftDirectives restates official FAA and manufacturer records; the official sources named on this sheet control. Not an airworthiness determination.

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AD

99-16-09

FR doc 99-20057 · 64 FR 43058

AD 99-16-09Published 1999-08-09Effective 1999-08-24

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.

Requires verifying the torque on the vertical fin attachment bolts (bolts); inspecting the vertical fin and tailboom fittings for cracks, elongation of bolt holes, distortion and corrosion; and re-verifying the torque on the bolts after inspecting the fittings.

Full official abstract

This amendment adopts a new airworthiness directive (AD) that is applicable to Bell Helicopter Textron Canada (BHTC) Model 230 helicopters. This action requires verifying the torque on the vertical fin attachment bolts (bolts); inspecting the vertical fin and tailboom fittings for cracks, elongation of bolt holes, distortion and corrosion; and re-verifying the torque on the bolts after inspecting the fittings. This amendment is prompted by a report of a loose vertical fin, which was discovered during a post-flight inspection. The actions specified in this AD are intended to prevent loss of torque of the bolts, which could lead to fracture of the bolts, separation of the vertical fin from the helicopter, and loss of control of the helicopter.

More directives for Bell 230

  1. AD 2021-19-01 Airworthiness Directives; Bell Textron Canada Limited Helicopters Effective 2021-10-13
  2. AD 2016-08-17 Airworthiness Directives; Bell Helicopter Textron Canada Helicopters Effective 2016-05-31
  3. AD 2013-20-02 Airworthiness Directives; Bell Helicopter Textron Canada Limited (Bell) ... Effective 2013-12-05
  4. AD 2013-18-06 Airworthiness Directives; Bell Helicopter Textron Canada Limited (Bell) ... Effective 2013-10-17
  5. AD 2010-26-51 Airworthiness Directives; Bell Helicopter Textron Canada Limited (BHTC) ... Effective 2011-03-25

All Bell 230 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