59-05-07: Automatic Pilot Control Relay
FAA order 59-05-07 is an airworthiness directive. The FAA's subject line: Automatic Pilot Control Relay. System: electrical power.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Vickers-Armstrongs (Aircraft Limited)
- Models
- 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 (721 characters)
59-05-07 VICKERS: Applies to All Viscount Model 745D Which Have PB.10 Automatic Pilot Installed.
Compliance required as soon as possible but not later than December 1, 1959.
In order to permit the pilots to positively disengage the trim servo clutch either by the emergency cutoff buttons on the pilots control wheel, or by the mechanical disconnect lever, a control relay (Plessey P/N 7LZ.107352 or P/N 7CZ.97508/1) should be installed in the A.C. junction box.
The British Air Registration Board considers this mandatory. The FAA concurs with this action and considers compliance therewith mandatory.
(Vickers-Armstrongs Modification Bulletin No. 2703 and associated Modification Leaflet covers this subject.)
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/59-05-07.json · aircraft systems.