75-16-05: Aileron Control Bolts
FAA order 75-16-05 is an airworthiness directive in force since July 28, 1975. The FAA's subject line: Aileron Control Bolts. It names Pilatus B-4: about 37 aircraft on the U.S. register today, though an order usually covers particular versions or serial numbers rather than every one. System: flight controls.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Pilatus Aircraft Limited
- Models
- B4-PC11
- On this site
- Pilatus B-4 37 registered
Dates and paperwork
- In force since
- July 28, 1975
- 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 (1,216 characters)
75-16-05 PILATUS AIRCRAFT LTD: Amendment 39-2280. Applies to B4-PC11 gliders Serial Numbers up to and including 159, certificated in all categories.
Compliance is required as indicated.
To detect improper aileron control connecting bolt installation and to prevent aileron jamming accomplish the following:
(a) Within the next ten hours' time in service after the effective date of this AD, unless already accomplished, visually inspect the aileron control connecting bolts on the aileron control differential bellcrank to ensure the bolts are oriented correctly in accordance with Pilatus B4-PC11 Operating Manual, Figure 1, Page 26, or an FAA-approved equivalent.
(b) Within 25 hours' time in service after the effective date of this AD, unless already accomplished, shorten all bolts P/N 116.35.11.070 used on aileron control differential bellcranks and airbrake control bellcranks, in accordance with the accomplishment instructions contained in Pilatus Aircraft Ltd. Service Bulletin No. 1003 dated June 1974, or an FAA- approved equivalent, or replace with modified or replacement bolts supplied by manufacturer or with equivalent FAA-approved bolts.
This amendment becomes effective July 28, 1975.
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 October 23, 2026. Connections as data: /graph/directive/75-16-05.json · aircraft systems.