AD Amdt-39-10524

final rule
Data completeness: 70%

Airworthiness Directives; REVO, Incorporated Models Colonial C-2, Lake LA-4, Lake LA-4A, Lake LA-4P, and Lake LA-4-200 Airplanes

AD Number
Amdt-39-10524
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-CE-48-AD
FR Citation
63 FR 26964

Applicability

TypeManufacturerModelDetails
aircraft Lake LA-4 Airworthiness Directives; REVO, Incorporated Models Colonial C-2, Lake LA-4, Lake LA-4A, Lake LA-4P, and Lake LA-4-200 Airplanes

Unsafe Condition

Fatigue cracks to the horizontal and vertical stabilizer attachment fitting could result in loss of control of the airplane.

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

Required Actions

Measure clearances between attachment fitting and horizontal stabilizer rear beam (minimum 5/32 inch) and stabilizer skin (minimum 1/16 inch). Remove affected horizontal tail half if clearances are insufficient, inspect attachment fitting for fretting, cracking, or corrosion. Replace attachment fitting if defects found and trim stabilizer skin to ensure clearance.

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

Compliance Time

Before further flight

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

Affected Aircraft

REVO, Incorporated Models Colonial C-2, Lake LA-4, Lake LA-4A, Lake LA-4P, and Lake LA-4-200 airplanes

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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.

View Official Source ↗ Find More ADs for Lake LA-4

Related Airworthiness Directives

2013-08-14 Recurring

final rule

Airworthiness Directives; Revo, Incorporated Airplanes

Unsafe Condition: unsafe condition on these products.

Effective: Jun 13, 2013 Category: aircraft

2005-12-02 Recurring

final rule

Airworthiness Directives; Revo, Incorporated Models Colonial C-2, Lake LA-4, Lake LA-4A, Lake LA-4P, and Lake LA-4-200 Airplanes

Unsafe Condition: could result in failure of the horizontal stabilizer attachment fitting.

Effective: Jul 8, 2005 Category: aircraft

2002-21-05

final rule

Airworthiness Directives; REVO, Incorporated Models Lake LA-4, Lake LA-4A, Lake LA-4P, Lake LA-4-200, and Lake Model 250 Airplanes

Unsafe Condition: could result in the wing separating from the airplane with consequent loss of control.

Effective: Oct 23, 2002 Category: aircraft

2000-10-22

final rule

Airworthiness Directives; REVO, Incorporated Models Lake LA-4, Lake LA-4A, Lake LA-4P, Lake LA-4-200, and Lake Model 250 Airplanes

Unsafe Condition: could result in the wing separating from the airplane with consequent loss of control.

Effective: Jun 20, 2000 Category: aircraft

View all Lake ADs →