81-07-10 R1: Cargo hook operating time recordation

FAA order 81-07-10 R1 is an airworthiness directive in force since November 30, 1981. The FAA's subject line: Cargo hook operating time recordation. It names Hughes Helicopters Inc 369: about 34 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: Hughes Helicopters
Models: 369 Series
On this site: Hughes Helicopters Inc 369 34 registered

Dates and paperwork

In force since: November 30, 1981
Published: November 19, 1981 (signed November 9, 1981)
Docket: 81-WE-2-AD
Replaces: 81-07-10
Status: Historical
The FAA's document: Read the order on the FAA's site

The FAA's summary their words, unchanged

This amendment amends an existing Airworthiness Directive (AD) applicable to Hughes Helicopters Model 369 series helicopters equipped with any cargo hook by clarifying cargo hook operating time recordation. This amendment is needed to relieve an undue burden on operations.

The order itself the regulatory text, as published

Show the full text (659 characters)

Accordingly, pursuant to the authority delegated to me by the Administrator, § 39.13 of Part 39 of the Federal Aviation Regulations (14 CFR 39.13) is amended, by amending Amendfnent 39-4077 (46 FR 20534), AD 81-07-10 by adding a new paragraph (f) to read as follows: * * * * * (f) For the purpose of establishing the “time in service” specified in paragraphs (a), (b), and (c) of this AD either the clutch total time with hook attached may be used, or a separate and permanent log of external load operating mission time (take-off to landing on a flight which involves external load operations), may be used. This log must meet the requirements of FAR 91.173.

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/81-07-10 R1.json · aircraft systems.