AD 79-11-05 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Mooney Mite Aircraft Corporation | M-18C | Airworthiness Directives; Mooney M-18L, M-18C, M-18LA, and M-18C55 |
| aircraft | Mooney Mite Aircraft Corporation | M-18C 55 | Airworthiness Directives; Mooney M-18L, M-18C, M-18LA, and M-18C55 |
| aircraft | Mooney Mite Aircraft Corporation | M-18L | Airworthiness Directives; Mooney M-18L, M-18C, M-18LA, and M-18C55 |
| aircraft | Mooney Mite Aircraft Corporation | M-18LA | Airworthiness Directives; Mooney M-18L, M-18C, M-18LA, and M-18C55 |
Unsafe Condition
Failure of the vertical fin spar in flight due to wood deterioration and other wood and glue joint deterioration in the wood wing and wood empennage structure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect wood and glue joints in horizontal and vertical stabilizers, spar attachments, bulkheads, and wing trailing edges; ensure drain holes are clear; repair or replace defects per AC 43.13-1A or approved methods; use borescope inspections with approved access holes for stabilizers as an approved equivalent. Compliance adjustments may be requested through FAA.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 30 days after the effective date of this AD, unless already accomplished within the last 35 months, and thereafter at intervals not to exceed 36 months from the last inspection. Borescope inspections must be done within 30 days after effective date if not done in last 11 months, then every 12 months.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Mooney M-18L (S/N 2 and up), M-18C (S/N 201 and up), M-18LA (S/N 100-200), M-18C55 (S/N 323 and up)
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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