57-08-06: Horizontal Stabilizer
FAA order 57-08-06 is an airworthiness directive. The FAA's subject line: Horizontal Stabilizer. System: airframe structure.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Vickers-Armstrongs (Aircraft Limited)
- Models
- Viscount 744, Viscount 745D
Dates and paperwork
- 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 (699 characters)
57-08-06 VICKERS: Applies to Viscount 744 and 745 Type Aircraft.
Compliance required as indicated.
In view of a recent horizontal stabilizer buckling incident compliance with the following is required:
1. Effective immediately the following placard must be installed in full view of the pilot: "TURBULENT AIR PENETRATION-165-KNOTS-FLAPS UP-LANDING GEAR UP." (This placard required regardless of compliance with item 2.)
2. Compliance required by August 31, 1957, with Vickers Modification D.1906. This modification introduces new horizontal stabilizer skin panels of 18 gage, Specification L.73 material between Stations 34.36 and 99.13 in lieu of the 20-gage panels of Specification L.72.
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/57-08-06.json · aircraft systems.