AD 78-08-05

final rule

Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F and -40 Series Airplanes

AD Number
78-08-05
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company DC-10-10 Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F and -40 Series Airplanes
aircraft The Boeing Company DC-10-10F Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F and -40 Series Airplanes
aircraft The Boeing Company DC-10-30 Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F and -40 Series Airplanes
aircraft The Boeing Company DC-10-30F (KC-10A, KDC-10) Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F and -40 Series Airplanes
aircraft The Boeing Company DC-10-40 Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F and -40 Series Airplanes

Unsafe Condition

Simultaneous loss of primary attitude and heading information during takeoff roll and subsequent flight due to Litton -51, -72 Inertial Navigation Systems or -58 Inertial Sensor Systems.

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

Required Actions

Modify the airplane's navigation rack per McDonnell Douglas DC-10 Service Bulletin 25-251 dated August 26, 1977, or later FAA approved revisions. Equivalent modifications may be used with approval from the Chief, Aircraft Engineering Division, FAA Western Region. Special flight permits under FAR 21.197 and 21.199 may be issued for operation to a base for modification.

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

Compliance Time

On or before July 31, 1979 unless already accomplished or incorporated in production.

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

Affected Aircraft

MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F (KC-10A, KDC-10), and -40 Series airplanes equipped with Litton -51, -72 Inertial Navigation Systems, or Litton -58 Inertial Sensor Systems.

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

Federal Register Abstract

Inertial Navigation Systems

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_78-08-05.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
78-08-05
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F and -40 Series Airplanes
Subject:
Inertial Navigation Systems
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
05/16/1978
Make:
The Boeing Company
Model:
DC-10-10 | DC-10-10F | DC-10-30 | DC-10-30F (KC-10A, KDC-10) | DC-10-40
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: 78-08-05
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3184

AD NUMBER:   78-08-05

SUBJECT HEADING:   Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F and -40 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective May 16, 1978.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
78-08-05 MCDONNELL DOUGLAS: Amendment 39-3184. Applies to DC-10-10, -10F, -30, -30F and -40 Series airplanes certificated in all categories, that are equipped with Litton -51 or Litton -72 Inertial Navigation Systems or Litton -58 Inertial Sensor Systems. Airplanes which are equipped with these Litton inertial systems after the effective date of this AD must be modified as defined herein prior to installation of the inertial systems.

Compliance is required as indicated unless already accomplished.

To prevent simultaneous loss of primary attitude and heading information during takeoff roll and subsequent flight accomplish the following:

(a) On or before July 31, 1979 unless already accomplished, or unless incorporated in production, modify the airplane's navigation rack in accordance with McDonnell Douglas DC-10 Service Bulletin 25-251 dated August 26, 1977, or later FAA approved revisions.

(b) Equivalent modifications, procedures, or revisions may be used when approved by the Chief, Aircraft Engineering Division, FAA Western Region.

(c) Special flight permits may be issued in accordance with FAR's 21.197 and 21.199 to operate airplanes to a base for accomplishment of the modification required by this AD.

This amendment becomes effective May 16, 1978.


FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_78-08-05.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
78-08-05
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F and -40 Series Airplanes
Subject:
Inertial Navigation Systems
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
05/16/1978
Make:
The Boeing Company
Model:
DC-10-10 | DC-10-10F | DC-10-30 | DC-10-30F (KC-10A, KDC-10) | DC-10-40
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: 78-08-05
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3184

AD NUMBER:   78-08-05

SUBJECT HEADING:   Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F and -40 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective May 16, 1978.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
78-08-05 MCDONNELL DOUGLAS: Amendment 39-3184. Applies to DC-10-10, -10F, -30, -30F and -40 Series airplanes certificated in all categories, that are equipped with Litton -51 or Litton -72 Inertial Navigation Systems or Litton -58 Inertial Sensor Systems. Airplanes which are equipped with these Litton inertial systems after the effective date of this AD must be modified as defined herein prior to installation of the inertial systems.

Compliance is required as indicated unless already accomplished.

To prevent simultaneous loss of primary attitude and heading information during takeoff roll and subsequent flight accomplish the following:

(a) On or before July 31, 1979 unless already accomplished, or unless incorporated in production, modify the airplane's navigation rack in accordance with McDonnell Douglas DC-10 Service Bulletin 25-251 dated August 26, 1977, or later FAA approved revisions.

(b) Equivalent modifications, procedures, or revisions may be used when approved by the Chief, Aircraft Engineering Division, FAA Western Region.

(c) Special flight permits may be issued in accordance with FAR's 21.197 and 21.199 to operate airplanes to a base for accomplishment of the modification required by this AD.

This amendment becomes effective May 16, 1978.


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.