61-22-04: Cabin Pressurization Static System
FAA order 61-22-04 is an airworthiness directive in force since November 21, 1961. The FAA's subject line: Cabin Pressurization Static System. System: cabin, seats and restraints.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- D & R Nevada LLC
- Models
- 22, 22M
Dates and paperwork
- In force since
- November 21, 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 (947 characters)
61-22-04 CONVAIR: Amdt. 352 Part 507 Federal Register October 21, 1961. Applies to All Model 22 (880) Aircraft.
Compliance required as indicated.
Reinspection of the pressurization system indicates that under certain conditions a single malfunction in the pressurization static system could cause the aircraft to be pressurized beyond the structural limits. To provide the required level of safety, the following, or FAA approved equivalent shall be accomplished within the next 250 hours' time in service after effective date of this AD:
(a) Rework existing static system to provide either
(1) A separate static sensing source for each cabin outflow valve, or
(2) A static sensing source common to the two outflow valves and a separate static sensing source for the cabin pressure controller.
(Convair Service Bulletin No. 21-23 dated March 25, 1961, covers the same subject.)
This directive effective November 21, 1961.
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/61-22-04.json · aircraft systems.