AD 89-22-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Skyship Services | Skyship 600 | Airworthiness Directives; AIRSHIP INDUSTRIES Model Skyship 600 Airships |
Unsafe Condition
Seam delamination which could result in deflation of the envelope
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the envelope for delamination of the envelope seams according to Airship Industries Alert Service Bulletin No. SB REF 600-53-A317 and its Revision 1. Repair seams if delaminations are found. Paint the envelope within three calendar months after initial helium inflation or within 10 days after receipt of this AD, whichever is later.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to further flight (for inspection and repair) and within the next three calendar months after initial helium inflation or within 10 days after receipt of this AD, whichever is later (for painting).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
AIRSHIP INDUSTRIES Model Skyship 600 (all serial numbers) airships, certificated in the airship category.
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
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