AD 85-25-02

final rule

Airworthiness Directives; KING RADIO CORPORATION Models KFC 200, KFC 150, KAP 150 and KAP 100 Autopilot Systems

AD Number
85-25-02
Status
final_rule
Effective Date
Product Category
appliance
Docket
Unknown
FR Citation
This information is not available.
Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

Applicability

TypeManufacturerModelDetails
aircraft King Radio Corporation | Mooney Aviation Company Inc | SOCATA Autopilot Systems Airworthiness Directives; KING RADIO CORPORATION Models KFC 200, KFC 150, KAP 150 and KAP 100 Autopilot Systems
aircraft King Radio Corporation | Mooney Aviation Company Inc | SOCATA M20J Airworthiness Directives; KING RADIO CORPORATION Models KFC 200, KFC 150, KAP 150 and KAP 100 Autopilot Systems
aircraft King Radio Corporation | Mooney Aviation Company Inc | SOCATA M20K Airworthiness Directives; KING RADIO CORPORATION Models KFC 200, KFC 150, KAP 150 and KAP 100 Autopilot Systems
aircraft King Radio Corporation | Mooney Aviation Company Inc | SOCATA TB 20 Airworthiness Directives; KING RADIO CORPORATION Models KFC 200, KFC 150, KAP 150 and KAP 100 Autopilot Systems
appliance King Radio Corporation | Mooney Aviation Company Inc | SOCATA Autopilot Systems Airworthiness Directives; KING RADIO CORPORATION Models KFC 200, KFC 150, KAP 150 and KAP 100 Autopilot Systems
appliance King Radio Corporation | Mooney Aviation Company Inc | SOCATA M20J Airworthiness Directives; KING RADIO CORPORATION Models KFC 200, KFC 150, KAP 150 and KAP 100 Autopilot Systems
appliance King Radio Corporation | Mooney Aviation Company Inc | SOCATA M20K Airworthiness Directives; KING RADIO CORPORATION Models KFC 200, KFC 150, KAP 150 and KAP 100 Autopilot Systems
appliance King Radio Corporation | Mooney Aviation Company Inc | SOCATA TB 20 Airworthiness Directives; KING RADIO CORPORATION Models KFC 200, KFC 150, KAP 150 and KAP 100 Autopilot Systems

Unsafe Condition

Loss of primary pitch and/or roll control due to failure of the cable guard attaching hardware on Models KS 177 pitch servo (P/N 065-0050-04 and -012) and/or Model KS 178 roll servo (P/N 065-0051-01 and -02, S/N 2461 and below).

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

Required Actions

Modify the affected servo actuator(s) to safety the cable guard attaching hardware per King Radio Alert Service Bulletin KS 177/178-3 dated December 4, 1985. Aircraft may be flown under FAR 21.197 to a location where this AD can be accomplished. Equivalent methods require approval from the Manager, Wichita Aircraft Certification Office.

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

Compliance Time

Within the next 5 hours time-in-service or within the next 10 calendar days after the effective date of this AD, whichever occurs first.

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

Affected Aircraft

King Radio Corporation Models KFC 200, KFC 150, KAP 150, and KAP 100 autopilot systems with Models KS 177 pitch servo (P/N 065-0050-04/-012) and/or KS 178 roll servo (P/N 065-0051-01/-02, S/N 2461 and below), installed per specified STCs in Mooney M20J (except S/N 24-1368), M20K (except S/N 25-0740), and SOCATA TB-20 models.

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

Federal Register Abstract

Autopilot Systems

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_85-25-02.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
85-25-02
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; KING RADIO CORPORATION Models KFC 200, KFC 150, KAP 150 and KAP 100 Autop...Show more
Subject:
Autopilot Systems
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
01/27/1986
Make:
King Radio Corporation | Mooney Aviation Company Inc | SOCATA
Model:
Autopilot Systems | M20J | M20K | TB 20
Product Type:
Appliance
Product Subtype:
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 85-25-02
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-5218

AD NUMBER:   85-25-02

SUBJECT HEADING:   Airworthiness Directives; KING RADIO CORPORATION Models KFC 200, KFC 150, KAP 150 and KAP 100 Autopilot Systems

ACTION:  

SUMMARY:  

DATES:   Effective January 27, 1986.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
85-25-02 KING RADIO CORPORATION: Amendment 39-5218. Applies to Models KFC 200, KFC 150, KAP 150 and KAP 100 autopilot systems utilizing Models KS 177 pitch servo, P/N 065-0050-04 and -012 and/or Model KS 178 roll servo, P/N 065-0051-01 and -02, S/N 2461 and below. These autopilot systems have been installed in accordance with Supplemental Type Certificates (STC) shown in the following table. Some airplane logbooks may not show evidence of the STC number:

AUTOPILOT MODEL	AIRPLANE MODEL	STC	AXIS AFFECTED
KFC 200	Mooney M20J, M20K	SA1771CE-D*	pitch and roll
KFC 150,			
KAP 150	Mooney M20J, M20K	SA1561CE-D	pitch and roll
KAP100	Mooney M20J, M20K	SA1561CE-D	roll
KFC 150,			
KAP 150	SOCATA Model TB-20	SA1785CE-D	pitch

*NOTE: KFC 200 installations in Mooney Models M20J, S/N 24-1418 and earlier except S/N 24-1368, and M20K, S/N 25-0790 and earlier except S/N 25-0740, airplanes (STCs SA1212CE and SA1464CE) are not affected by this AD.

Compliance: Required as indicated unless already accomplished.

To prevent loss of primary pitch and/or roll control, accomplish the following:

(a) Within the next 5 hours time-in-service or within the next 10 calendar days after the effective date of this AD, whichever occurs first, modify the affected servo actuator(s) to provide for safetying of the cable guard attaching hardware in accordance with King Radio Alert Service Bulletin KS 177/178-3 dated December 4, 1985, as supplemented. (These servos are used on all affected KFC 150, KAP 150, and KAP 100, as well as some KFC 200 ((see NOTE above)) installations.)

(b) Aircraft may be flown in accordance with Federal Aviation Regulation (FAR) 21.197 to a location where this AD can be accomplished.

(c) An equivalent method of compliance with this AD, if used, must be approved by the Manager, Wichita Aircraft Certification Office, 1801 Airport Road, Room 100, Mid-Continent Airport, Wichita, Kansas, 67209.

All persons affected by this directive may obtain copies of the documents referred to herein upon request to King Radio Corporation, 400 North Rogers Road, Olathe, Kansas 66062, or the FAA, Rules Docket, Office of the Regional Counsel, Room 1558, 601 East 12th Street, Kansas City, Missouri 64106.

This amendment becomes effective January 27, 1986, as to all persons except those persons to whom it was made immediately effective by priority letter AD 85-25-02, issued December 11, 1985, which contained this amendment.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_85-25-02.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
85-25-02
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; KING RADIO CORPORATION Models KFC 200, KFC 150, KAP 150 and KAP 100 Autop...Show more
Subject:
Autopilot Systems
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
01/27/1986
Make:
King Radio Corporation | Mooney Aviation Company Inc | SOCATA
Model:
Autopilot Systems | M20J | M20K | TB 20
Product Type:
Appliance
Product Subtype:
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 85-25-02
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-5218

AD NUMBER:   85-25-02

SUBJECT HEADING:   Airworthiness Directives; KING RADIO CORPORATION Models KFC 200, KFC 150, KAP 150 and KAP 100 Autopilot Systems

ACTION:  

SUMMARY:  

DATES:   Effective January 27, 1986.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
85-25-02 KING RADIO CORPORATION: Amendment 39-5218. Applies to Models KFC 200, KFC 150, KAP 150 and KAP 100 autopilot systems utilizing Models KS 177 pitch servo, P/N 065-0050-04 and -012 and/or Model KS 178 roll servo, P/N 065-0051-01 and -02, S/N 2461 and below. These autopilot systems have been installed in accordance with Supplemental Type Certificates (STC) shown in the following table. Some airplane logbooks may not show evidence of the STC number:

AUTOPILOT MODEL	AIRPLANE MODEL	STC	AXIS AFFECTED
KFC 200	Mooney M20J, M20K	SA1771CE-D*	pitch and roll
KFC 150,			
KAP 150	Mooney M20J, M20K	SA1561CE-D	pitch and roll
KAP100	Mooney M20J, M20K	SA1561CE-D	roll
KFC 150,			
KAP 150	SOCATA Model TB-20	SA1785CE-D	pitch

*NOTE: KFC 200 installations in Mooney Models M20J, S/N 24-1418 and earlier except S/N 24-1368, and M20K, S/N 25-0790 and earlier except S/N 25-0740, airplanes (STCs SA1212CE and SA1464CE) are not affected by this AD.

Compliance: Required as indicated unless already accomplished.

To prevent loss of primary pitch and/or roll control, accomplish the following:

(a) Within the next 5 hours time-in-service or within the next 10 calendar days after the effective date of this AD, whichever occurs first, modify the affected servo actuator(s) to provide for safetying of the cable guard attaching hardware in accordance with King Radio Alert Service Bulletin KS 177/178-3 dated December 4, 1985, as supplemented. (These servos are used on all affected KFC 150, KAP 150, and KAP 100, as well as some KFC 200 ((see NOTE above)) installations.)

(b) Aircraft may be flown in accordance with Federal Aviation Regulation (FAR) 21.197 to a location where this AD can be accomplished.

(c) An equivalent method of compliance with this AD, if used, must be approved by the Manager, Wichita Aircraft Certification Office, 1801 Airport Road, Room 100, Mid-Continent Airport, Wichita, Kansas, 67209.

All persons affected by this directive may obtain copies of the documents referred to herein upon request to King Radio Corporation, 400 North Rogers Road, Olathe, Kansas 66062, or the FAA, Rules Docket, Office of the Regional Counsel, Room 1558, 601 East 12th Street, Kansas City, Missouri 64106.

This amendment becomes effective January 27, 1986, as to all persons except those persons to whom it was made immediately effective by priority letter AD 85-25-02, issued December 11, 1985, which contained this amendment.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 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 ↗