Pratt & Whitney PW4156A
Pratt & Whitney PW4156A exact high-bypass turbofan variant enumerated in FAA PW4000 airworthiness applicability; this packet creates the canonical propulsion identity only and asserts no aircraft relationship, actor attribution, or adjacent PW4000 variant.
Identity
- Aliases
- PW4156APratt & Whitney PW4156A
- Domains
- aviation
- Identity Level
- variant
- Kind
- turbofan
- Name
- Pratt & Whitney PW4156A
- Status
- unknown
Details
- Description
- Pratt & Whitney PW4156A exact high-bypass turbofan variant enumerated in FAA PW4000 airworthiness applicability; this packet creates the canonical propulsion identity only and asserts no aircraft relationship, actor attribution, or adjacent PW4000 variant.
Links
Assets & Meta
- Creation Time
- August 7, 2026 at 02:38:53 UTC
- Updated Time
- August 7, 2026 at 02:38:53 UTC
Other
- Sources
- Accessed Date
- 2026-08-06
- Note
- FAA airworthiness material enumerates PW4156A as a distinct Pratt & Whitney PW4000 turbofan model; lifecycle and aircraft installation remain unasserted.
- Publisher
- U.S. Department of Transportation / Federal Aviation Administration
- Title
- Airworthiness Directives; Pratt & Whitney Division Turbofan Engines
- Accessed Date
- 2026-08-06
- Note
- EASA safety material provides independent PW4000 type-designation context without collapsing exact variants.
- Publisher
- European Union Aviation Safety Agency
- Title
- Engine — No. 3 Bearing Oil Pressure Tubes