AD 86-21-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Embraer - Empresa Brasileira de Aeronautica S.A. | EMB-120 | Airworthiness Directives; EMPRESA BRASILEIRA DE AERONAUTICA S.A. Model EMB-120 Series Airplanes |
| aircraft | Embraer - Empresa Brasileira de Aeronautica S.A. | EMB-120RT | Airworthiness Directives; EMPRESA BRASILEIRA DE AERONAUTICA S.A. Model EMB-120 Series Airplanes |
Unsafe Condition
Oil loss and in-flight engine shutdown due to engine oil coolers (part numbers 160282-1 or 160282-2) that have accumulated more than 200 hours time-in-service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Fabricate and install a placard near the altimeter stating 'MAXIMUM OPERATING LIMITATION 10,000 FEET MSL'. Install engine oil cooler part number 160282-3 or subsequent to terminate AD requirements.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 10 hours time-in-service after the effective date of this AD, unless previously accomplished
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Embraer Model EMB-120 series airplanes; serial numbers 12004, 12006 through 120028, 120033, and 120034; equipped with engine oil coolers part numbers 160282-1 or 160282-2
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Engine Oil Cooler & Placard
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_86-21-11.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 86-21-11 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; EMPRESA BRASILEIRA DE AERONAUTICA S.A. Model EMB-120 Series Airplanes Subject: Engine Oil Cooler & Placard Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/17/1987 Make: Embraer - Empresa Brasileira de Aeronautica S.A. Model: EMB-120 | EMB-120RT Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 86-21-11 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5535 AD NUMBER: 86-21-11 SUBJECT HEADING: Airworthiness Directives; EMPRESA BRASILEIRA DE AERONAUTICA S.A. Model EMB-120 Series Airplanes ACTION: SUMMARY: DATES: Effective February 17, 1987 ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 86-21-11 EMPRESA BRASILEIRA DE AERONAUTICA S.A.: Amendment 39-5535. Applies to Embraer Model EMB-120 series airplanes; serial numbers 12004, 12006 through 120028, 120033, and 120034; equipped with engine oil coolers, part numbers 160282-1 or 160282-2, which have accumulated more than 200 hours time-in-service; certificated in any category. Compliance is required within the next 10 hours time-in-service after the effective date of this AD, unless previously accomplished. To prevent oil loss and in-flight engine shutdown, accomplish the following: A. Fabricate and install on the instrument panel near the altimeter, in full view of the pilot, a placard that reads: "MAXIMUM OPERATING LIMITATION 10,000 FEET MSL." B. Installation of engine oil cooler part number 160282-3 or subsequent, constitutes terminating action for the requirements of this AD. This amendment becomes effective February 17, 1987, as to all persons, except those persons to whom it was made immediately effective by Priority Letter AD 86-21-11, issued October 22, 1986. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_86-21-11.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 86-21-11 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; EMPRESA BRASILEIRA DE AERONAUTICA S.A. Model EMB-120 Series Airplanes Subject: Engine Oil Cooler & Placard Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/17/1987 Make: Embraer - Empresa Brasileira de Aeronautica S.A. Model: EMB-120 | EMB-120RT Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 86-21-11 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5535 AD NUMBER: 86-21-11 SUBJECT HEADING: Airworthiness Directives; EMPRESA BRASILEIRA DE AERONAUTICA S.A. Model EMB-120 Series Airplanes ACTION: SUMMARY: DATES: Effective February 17, 1987 ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 86-21-11 EMPRESA BRASILEIRA DE AERONAUTICA S.A.: Amendment 39-5535. Applies to Embraer Model EMB-120 series airplanes; serial numbers 12004, 12006 through 120028, 120033, and 120034; equipped with engine oil coolers, part numbers 160282-1 or 160282-2, which have accumulated more than 200 hours time-in-service; certificated in any category. Compliance is required within the next 10 hours time-in-service after the effective date of this AD, unless previously accomplished. To prevent oil loss and in-flight engine shutdown, accomplish the following: A. Fabricate and install on the instrument panel near the altimeter, in full view of the pilot, a placard that reads: "MAXIMUM OPERATING LIMITATION 10,000 FEET MSL." B. Installation of engine oil cooler part number 160282-3 or subsequent, constitutes terminating action for the requirements of this AD. This amendment becomes effective February 17, 1987, as to all persons, except those persons to whom it was made immediately effective by Priority Letter AD 86-21-11, issued October 22, 1986. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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