AD 77-13-04

final rule
Data completeness: 70%

Airworthiness Directives; Grumman-American Model G-164B and G-164A

AD Number
77-13-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Allied Ag Cat Productions, Inc. G-164A Airworthiness Directives; Grumman-American Model G-164B and G-164A
aircraft Allied Ag Cat Productions, Inc. G-164B Airworthiness Directives; Grumman-American Model G-164B and G-164A
aircraft Allied Ag Cat Productions, Inc. G-164B-15T Airworthiness Directives; Grumman-American Model G-164B and G-164A
aircraft Allied Ag Cat Productions, Inc. G-164B-20T Airworthiness Directives; Grumman-American Model G-164B and G-164A
aircraft Allied Ag Cat Productions, Inc. G-164B-34T Airworthiness Directives; Grumman-American Model G-164B and G-164A
aircraft Allied Ag Cat Productions, Inc. G-164B (with 73 inch wing gap) Airworthiness Directives; Grumman-American Model G-164B and G-164A

Unsafe Condition

Failure to install a warning placard adjacent to the parking brake handle and the absence of the alteration defined in Grumman American Aviation Corporation Service Bulletin No. 60 may result in the parking brake being left ON during landing, leading to potential aircraft damage or accidents.

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

Required Actions

Install a placard stating 'Warning - Parking Brake OFF Prior to Landing' before further flight. Within the next 50 hours in service, install the alteration per Service Bulletin No. 60 or an approved equivalent method. After completing the alteration, the warning placard may be removed.

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

Compliance Time

before further flight (for placard installation) and within the next 50 hours in service (for the alteration installation)

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

Affected Aircraft

Grumman-American Model G-164B (S/N's 138B, 142B, 177B and up) and G-164A (S/N's 1686, 1695 and up)

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

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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