AD 87-16-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 58 | Airworthiness Directives; Beech Model 58 Airplanes |
Unsafe Condition
Loss of stall warning capability in icing conditions.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install a placard stating 'FLIGHT INTO KNOWN ICING CONDITIONS IS PROHIBITED' on the instrument panel within 25 hours time-in-service. Place a copy of this AD in the POH/AFM Limitation Section. Cover the existing 'approved for flight in icing conditions' placard with opaque tape. Inspect and modify the stall warning heater circuit per SB 2180 within 100 hours time-in-service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 25 hours time-in-service (unless the inspection and relay installation requirements of paragraph (c) have been accomplished) and within the next 100 hours time-in-service after the effective date of this AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Beech Model 58 airplanes with serial numbers TH-1389, TH-1396, TH-1397, TH-1403, TH-1407 through TH-1410, TH-1412, TH-1414, TH-1416, TH-1420 through TH-1423, TH-1425, TH-1427, TH-1430, TH-1434, TH-1438, TH-1440, TH-1442, TH-1443, TH-1445, TH-1447, TH-1451, TH-1452, TH-1456, TH-1457, TH-1459, TH-1462, TH-1463, TH-1466, TH-1468, TH-1472 through TH-1474, TH-1477, TH-1478, TH-1481, TH-1483, TH-1485, TH-1490, TH-1492, TH-1495 through TH-1497, TH-1499, TH-1500, TH-1502, and TH-1506.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Placard -Icing
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_87-16-11.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 87-16-11 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Beech Model 58 Airplanes Subject: Placard -Icing Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/01/1987 Make: Textron Aviation Inc. Model: 58 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 87-16-11 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5709 AD NUMBER: 87-16-11 SUBJECT HEADING: Airworthiness Directives; Beech Model 58 Airplanes ACTION: SUMMARY: DATES: Effective September 1, 1987. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 87-16-11 BEECH AIRCRAFT CORPORATION: Amendment 39-5709. Applies to Model 58 (S/N's TH-1389, TH-1396, TH-1397, TH-1403, TH-1407 through TH-1410, TH-1412, TH-1414, TH-1416, TH-1420 through TH-1423, TH-1425, TH-1427, TH-1430, TH-1434, TH-1438, TH-1440, TH-1442, TH-1443, TH-1445, TH-1447, TH-1451, TH-1452, TH-1456, TH-1457, TH-1459, TH-1462, TH-1463, TH-1466, TH-1468, TH-1472 through TH-1474, TH-1477, TH-1478, TH-1481, TH-1483, TH-1485, TH-1490, TH-1492, TH-1495 through TH-1497, TH-1499, TH-1500, TH-1502 and TH-1506) airplanes certificated in any category. Compliance: Required as indicated after the effective date of this AD, unless previously accomplished. To preclude the loss of stall warning capability in icing conditions, accomplish the following: (a) Within the next 25 hours time-in-service (unless the inspection and relay installation requirements of paragraph (c) have been accomplished): (1) Fabricate and install on the instrument panel in clear view of the pilot the following placard using letters of a minimum of 0.10 inch in height: "FLIGHT INTO KNOWN ICING CONDITIONS IS PROHIBITED". (2) Place a copy of this AD in the Limitation Section of Pilot's Operating Handbook (POH) and FAA Approved Airplane Flight Manual (AFM). (3) Cover the airplane operating placard statement, "This airplane approved for flight in icing conditions" with opaque tape. (4) Operate the airplane in accordance with this limitation. (b) The requirements of paragraph (a) of this AD may be accomplished by the owner/operator on any airplanes which are not used under Part 121 or 135. The person accomplishing these actions must make the appropriate airplane maintenance record entry per FAR 43.9 and 91.173. (c) Within the next 100 hours time-in-service after the effective date of this AD, inspect and, if necessary, modify the stall warning heater circuit in accordance with the instructions in Beechcraft Mandatory Service Bulletin No. 2180, dated June 1987. (d) The requirements and limitations of paragraph (a) of this AD do not apply to airplanes that have been inspected and modified as required per paragraph (c) of this AD. (e) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished. (f) An equivalent means of compliance with this AD may be used if approved by the Manager, Wichita Aircraft Certification Office, 1801 Airport Road, Room 100, Mid-Continent Airport, Wichita, Kansas 67209; Telephone (316) 946-4400. All persons affected by this directive may obtain copies of the document(s) referred to herein upon request to Beech Aircraft Corporation, Commercial Service, Department 52, P.O. Box 85, Wichita, Kansas 67201-0085; or may examine the document(s) referred to herein at FAA, Office of the Regional Counsel, Room 1558, 601 East 12th Street, Kansas City, Missouri 64106. This amendment, 39-5709, becomes effective on September 1, 1987. FOOTER:
Document Text
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AD Final Rules - DRS_87-16-11.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 87-16-11 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Beech Model 58 Airplanes Subject: Placard -Icing Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/01/1987 Make: Textron Aviation Inc. Model: 58 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 87-16-11 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5709 AD NUMBER: 87-16-11 SUBJECT HEADING: Airworthiness Directives; Beech Model 58 Airplanes ACTION: SUMMARY: DATES: Effective September 1, 1987. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 87-16-11 BEECH AIRCRAFT CORPORATION: Amendment 39-5709. Applies to Model 58 (S/N's TH-1389, TH-1396, TH-1397, TH-1403, TH-1407 through TH-1410, TH-1412, TH-1414, TH-1416, TH-1420 through TH-1423, TH-1425, TH-1427, TH-1430, TH-1434, TH-1438, TH-1440, TH-1442, TH-1443, TH-1445, TH-1447, TH-1451, TH-1452, TH-1456, TH-1457, TH-1459, TH-1462, TH-1463, TH-1466, TH-1468, TH-1472 through TH-1474, TH-1477, TH-1478, TH-1481, TH-1483, TH-1485, TH-1490, TH-1492, TH-1495 through TH-1497, TH-1499, TH-1500, TH-1502 and TH-1506) airplanes certificated in any category. Compliance: Required as indicated after the effective date of this AD, unless previously accomplished. To preclude the loss of stall warning capability in icing conditions, accomplish the following: (a) Within the next 25 hours time-in-service (unless the inspection and relay installation requirements of paragraph (c) have been accomplished): (1) Fabricate and install on the instrument panel in clear view of the pilot the following placard using letters of a minimum of 0.10 inch in height: "FLIGHT INTO KNOWN ICING CONDITIONS IS PROHIBITED". (2) Place a copy of this AD in the Limitation Section of Pilot's Operating Handbook (POH) and FAA Approved Airplane Flight Manual (AFM). (3) Cover the airplane operating placard statement, "This airplane approved for flight in icing conditions" with opaque tape. (4) Operate the airplane in accordance with this limitation. (b) The requirements of paragraph (a) of this AD may be accomplished by the owner/operator on any airplanes which are not used under Part 121 or 135. The person accomplishing these actions must make the appropriate airplane maintenance record entry per FAR 43.9 and 91.173. (c) Within the next 100 hours time-in-service after the effective date of this AD, inspect and, if necessary, modify the stall warning heater circuit in accordance with the instructions in Beechcraft Mandatory Service Bulletin No. 2180, dated June 1987. (d) The requirements and limitations of paragraph (a) of this AD do not apply to airplanes that have been inspected and modified as required per paragraph (c) of this AD. (e) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished. (f) An equivalent means of compliance with this AD may be used if approved by the Manager, Wichita Aircraft Certification Office, 1801 Airport Road, Room 100, Mid-Continent Airport, Wichita, Kansas 67209; Telephone (316) 946-4400. All persons affected by this directive may obtain copies of the document(s) referred to herein upon request to Beech Aircraft Corporation, Commercial Service, Department 52, P.O. Box 85, Wichita, Kansas 67201-0085; or may examine the document(s) referred to herein at FAA, Office of the Regional Counsel, Room 1558, 601 East 12th Street, Kansas City, Missouri 64106. This amendment, 39-5709, becomes effective on September 1, 1987. FOOTER:
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Retrieved: Apr 8, 2026
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