AD 56-01-01

final rule
Data completeness: 60%

Airworthiness Directives; Bell Model 47G and 47G2 Helicopters

AD Number
56-01-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Scotts-Bell 47 Inc 47G Airworthiness Directives; Bell Model 47G and 47G2 Helicopters
aircraft Scotts-Bell 47 Inc 47G-2 Airworthiness Directives; Bell Model 47G and 47G2 Helicopters

Unsafe Condition

Ventral fin support angle braces, P/N 47-267-085-5 and -6, interfere with the tail boom longeron, P/N 47-267-057-111, causing wear and damage exceeding 0.008 inch based on the undamaged tube diameter.

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

Required Actions

Inspect the tail boom longeron on both sides for wear and damage. Repair any damage exceeding 0.008 inch. Provide 1/32 inch clearance between the support angle braces and the longeron. Weld a 1/16-inch steel plate (3/4-inch x 3 inches) to the back of the 47-267-057-167 angle brace if a split tube sleeve repair was done.

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

Compliance Time

as soon as possible, but not later than January 31, 1956

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

Affected Aircraft

Scotts-Bell 47 Inc Model 47G, Serial Numbers 666 Through 1411 and Model 47G2, Serial Numbers 1342 Through 1412

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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