85-25-01: Cyclic Control Stick
FAA order 85-25-01 is an airworthiness directive in force since December 30, 1985. The FAA's subject line: Cyclic Control Stick. It names Bell 206 JetRanger and LongRanger: about 1,453 aircraft on the U.S. register today, though an order usually covers particular versions or serial numbers rather than every one. System: other and general.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Bell Helicopter Textron Canada Limited
- Models
- 206A, 206B, 206L, 206L-1, 206L-3
- On this site
- Bell 206 JetRanger and LongRanger 1,453 registered
Dates and paperwork
- In force since
- December 30, 1985
- Docket
- Unknown
- Status
- Current
- The FAA's document
- Read the order on the FAA's site
The order itself the regulatory text, as published
Show the full text (1,710 characters)
85-25-01 BELL HELICOPTER TEXTRON, INC.: Amendment 39-5181. Applies to Model 206A, 206B, 206L, 206L-1, and 206L-3 helicopters, certificated in any category.
Compliance is required within the next 25 hours time in service after the effective date of this AD, unless already accomplished.
To prevent failure of the cyclic control stick, accomplish the following:
(a) Perform the "Accomplishment Instructions" of BHTI Alert Service Bulletin (ASB) 206-85-29, dated June 21, 1985, for the Model 206A or 206B; or ASB 206L-85-36, dated June 21, 1985, for the Model 206L, 206L-1, or 206L-3, as appropriate.
(b) Alternative inspections, modifications, or other actions which provide an equivalent level of safety may be used when approved by the Manager, Helicopter Certification Branch, Southwest Region, Federal Aviation Administration, P.O. Box 1689, Fort Worth, Texas 76101.
(c) In accordance with FAR Sections 21.197 and 21.199, flight is permitted to a base where the inspection and repair procedures required by this AD may be accomplished.
The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to Bell Helicopter Textron, Inc., P.O. Box 482, Fort Worth, Texas 76101. These documents may also be examined in Room 158, Building 3B, Office of Regional Counsel, Southwest Region, 4400 Blue Mound Road, Fort Worth, Texas, between 8 a.m. and 4 p.m., weekdays, except Federal holidays.
This amendment becomes effective December 30, 1985.
Related safety bulletins advice on the same designs, not orders
2019-12-05SW-19-18 · Fuselage Cracks
2019-04-04SW-19-05 · Tail Rotor Drive System, Spline Damage
2017-11-02SW-18-02 · Loss of Hardware Tail Rotor Drive Shaft Couplings
2015-08-13SW-15-20 · Air Conditioning System Wiring
2012-10-03SW-12-45 · Garmin Model 400W/500W Series GPS-WAAS Navigation System
Source: FAA Dynamic Regulatory System, airworthiness directives. The FAA's document is the authority; the register counts are this site's, from the FAA register of November 6, 2026. Connections as data: /graph/directive/85-25-01.json · aircraft systems.
