AD 69-24-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Kollsman | Altimeters | Airworthiness Directives; KOLLSMAN: Applies to Kollsman Type A4086910021, A4186910028 and A4186910029 Altimeters |
| appliance | Kollsman | Altimeters | Airworthiness Directives; KOLLSMAN: Applies to Kollsman Type A4086910021, A4186910028 and A4186910029 Altimeters |
Unsafe Condition
The altimeters may generate a false signal due to an unspecified source.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Altimeters must be altered in accordance with Kollsman Service Bulletin 188, Rev. 1, dated December 19, 1968, Service Bulletin 189, dated October 29, 1968, or an equivalent method approved by the FAA.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 900 hours time in service after the effective date of this AD, or the next overhaul of the altimeter, whichever occurs first
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Kollsman Type A4086910021, A4186910028, and A4186910029 Altimeters
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Altimeters
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_69-24-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 69-24-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; KOLLSMAN: Applies to Kollsman Type A4086910021, A4186910028 and A4186910...Show more Subject: Altimeters Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/04/1969 Make: Kollsman Model: Altimeters Product Type: Appliance Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 69-24-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-880 AD NUMBER: 69-24-05 SUBJECT HEADING: Airworthiness Directives; KOLLSMAN: Applies to Kollsman Type A4086910021, A4186910028 and A4186910029 Altimeters ACTION: SUMMARY: DATES: Effective December 4, 1969. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 69-24-05 KOLLSMAN: Amdt. 39-880. Applies to Kollsman Type A4086910021, A4186910028 and A4186910029 Altimeters. Unless already accomplished, compliance is required within 900 hours time in service after the effective date of this AD, or the next overhaul of the altimeter, which ever occurs first. In order to remove the source of a false signal, alter the altimeters in accordance with either: (a) Kollsman Service Bulletin 188, Rev. 1, dated December 19, 1968, or Service Bulletin 189, dated October 29, 1968, or (b) An equivalent method approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region. This amendment is effective December 4, 1969. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_69-24-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 69-24-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; KOLLSMAN: Applies to Kollsman Type A4086910021, A4186910028 and A4186910...Show more Subject: Altimeters Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/04/1969 Make: Kollsman Model: Altimeters 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: 69-24-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-880 AD NUMBER: 69-24-05 SUBJECT HEADING: Airworthiness Directives; KOLLSMAN: Applies to Kollsman Type A4086910021, A4186910028 and A4186910029 Altimeters ACTION: SUMMARY: DATES: Effective December 4, 1969. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 69-24-05 KOLLSMAN: Amdt. 39-880. Applies to Kollsman Type A4086910021, A4186910028 and A4186910029 Altimeters. Unless already accomplished, compliance is required within 900 hours time in service after the effective date of this AD, or the next overhaul of the altimeter, which ever occurs first. In order to remove the source of a false signal, alter the altimeters in accordance with either: (a) Kollsman Service Bulletin 188, Rev. 1, dated December 19, 1968, or Service Bulletin 189, dated October 29, 1968, or (b) An equivalent method approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region. This amendment is effective December 4, 1969. 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.