AD 2017-04-06

final rule
Data completeness: 70%

Airworthiness Directives; United Instruments, Inc. Series Altimeters

AD Number
2017-04-06
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2016-9345
FR Citation
82 FR 12395

Unsafe Condition

Reports of certain altimeters displaying higher than actual altitude due to a slow diaphragm leak.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Replace any affected altimeter with a serviceable part following United Instruments, Inc. Service Bulletin No. 13, dated March 25, 2016.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 12 months after April 7, 2017 (the effective date of this AD).

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

United Instruments, Inc. 5934 series altimeters manufactured between January 2015 and February 2016 and installed in airplanes and helicopters.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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View Official Source ↗