Browse Standards AS420A
Historical

Flight Directors (Reciprocating Engine Powered Aircraft) AS420A

This Aerospace Standard establishes essential minimum safe performance standards for Flight Director instruments primarily for use with reciprocating engine powered transport aircraft, the operation of which may subject the instruments to the environmental conditions specified in Section 3.3. This Aerospace Standard covers Flight Directors for use on aircraft to indicate to the pilot, by visual means, the correct control application for the operation of an aircraft in accordance with a pre-selected flight plan.
AS420B
2008-02-16
Latest
Reaffirmed
AS420
1954-12-01
Historical
Issued
AS420A
Historical
Revised

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