61-21-02: Thrust Reverse Procedures
FAA order 61-21-02 is an airworthiness directive published October 20, 1961. The FAA's subject line: Thrust Reverse Procedures. It names Douglas DC-8: about 6 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
- The Boeing Company
- Models
- DC-8-11, DC-8-12, DC-8-21, DC-8-31, DC-8-32, DC-8-33, DC-8-41, DC-8-42, DC-8-43, DC-8-51, DC-8-52, DC-8-53, DC-8-55, DC-8-61, DC-8-61F, DC-8-62, DC-8-62F, DC-8-63, DC-8-63F, DC-8-71, DC-8-71F, DC-8-72, DC-8-72F, DC-8-73, DC-8-73F, DC-8F-54, DC-8F-55
- On this site
- Douglas DC-8 6 registered
Dates and paperwork
- Published
- October 20, 1961
- 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 (985 characters)
61-21-02 DOUGLAS: Amdt. 350 Part 507 Federal Register October 20, 1961. Applies to All DC-8 Aircraft. \n\n\tCompliance required within the next 10 hours' time in service. \n\n\tAs an interim safety measure pending development of modifications to the throttle control system and reversing mechanism the following procedures shall be followed: \n\n\tReverse thrust after landing shall not be used until: \n\n\t(a)\tThe main and nose gear of the aircraft are firmly on the ground, \n\n\t(b)\tthe blue ejector lights are on steady, \n\n\t(c)\tthe reverse power lever is positioned to reverse detent, and \n\n\t(d)\tthe amber reverser lights are on steady. \n\n\tIf the amber reverser lights are on steady, additional symmetrical reverse may be used on the inboard engines and thereafter reverse power may be used on the outboard engines if required. \n\n\tThis directive effective for all persons except those to whom it was made effective immediately by telegram dated October 6, 1961.
Related safety bulletins advice on the same designs, not orders
2019-02-19NE-19-03 · Escape Slide Maintenance Tasks and Intervals - JASC 2565
2014-11-24NM-15-03 · Flight Controls
2008-12-11NM-09-03 · Engine Fuel and Control - Implementing Fuel Tank System Airworthiness Limitations
2006-07-27NM-06-57 · Reports of damage to airplanes and to property on the ground caused by blue or clear ice falling from airplanes.
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/61-21-02.json · aircraft systems.