AD 69-24-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | 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.
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.