AD 85-25-02

Airworthiness directive · Autopilot Systems · King Radio Autopilot Systems, M20J, M20K and 1 more

Effective
January 27, 1986
Models
Autopilot Systems, M20J, M20K, TB 20
Data sheets
TCDS2A3TCDSA51EU
Registered aircraft
2,379 matched by model
Product
Appliance
Amendment
39-5218

Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.

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The airworthiness directive

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.

Affected TCDS · 2

The type certificate data sheets for the models this AD names, matched by model and maker.

Registered aircraft · 2,379

Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.

By aircraft maker
  • Mooney2,179 aircraft
  • Socata200 aircraft
By year built
19762003
Registered aircraft by year built: 1,924 aircraft
197649
1977206
1978225
1979259
1980175
1981181
1982102
198399
1984111
198561
198664
198737
198824
198939
199057
199123
199227
199323
199433
199513
199622
199728
199835
19997
20009
20018
20023
20034

455 with no year recorded

By model

Aircraft

See all 2,379 aircraft