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53-04-01: Control Stick Attachment

FAA order 53-04-01 is an airworthiness directive published December 4, 1956. The FAA's subject line: Control Stick Attachment. It names Piper PA-18 Super Cub: about 3,620 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
Piper Aircraft Inc.
Models
PA-18, PA-18-105 (Special), PA-18-125 (Army L-21A), PA-18-135, PA-18-150, PA-18A, PA-18A-135, PA-18A-135 (Restricted), PA-18A-150, PA-18A-150 (Restricted), PA-18A (Restricted), PA-18AS-125, PA-18AS-135, PA-18AS-150, PA-18S, PA-18S-105 (Special), PA-18S-125, PA-18S-135, PA-18S-150
On this site
Piper PA-18 Super Cub 3,620 registered

Dates and paperwork

Published
December 4, 1956
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 (540 characters)
53-04-01 PIPER: Applies to All Model PA-18 Aircraft Which Have Not Had the Control Stick Retention Device Modified to Incorporate a Through Bolt. Compliance required by April 1, 1953. In order to prevent the control stick inadvertently pulling out of the socket, continue the existing hole for the retention pin on the quick detachable control stick spring device through the control stick and socket and install an AN 3-14 or AN 3-14A through bolt. (Piper Service Letter No. 162 dated March 6, 1951, covers this same subject.)

Related safety bulletins advice on the same designs, not orders

2018-11-21SW-18-31 · NAVIGATION, ATTITUDE, AND DIRECTION DATA SYSTEM
2013-05-09CE-13-30 · IGNITION SYSTEM Toggle Style Magneto Switches on the Left Side Cabin Adjacent to the Pilot Seat
2013-02-06CE-13-14 · Fuselage Cracking at Aft Tail Post Weld Joint on Piper Model PA-18 (L-21) Airplanes
2005-03-24CE-03-02R1 ·
2004-09-24CE-04-91 ·

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/53-04-01.json · aircraft systems.