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Public Record · As of May 5, 2026

N90AD

Pilatus PC-9/A · 1991 View Type →

Status

Registration Valid

Type

Fixed Wing Single Engine

Engine

P&W PT6A SER

Last Cert Issue

02 /  NTSB Records

Events on file with the National Transportation Safety Board

03 /  Airworthiness Directives

Applicable to PILATUS PC-9/A

Federal Aviation Administration airworthiness directives matched to make and model. Each entry links to the Federal Register publication.

  • Feb 27, 1997

    Airworthiness Directives; Pratt & Whitney Canada PT6 Series Turboprop Engines

    This amendment adopts a new airworthiness directive (AD) that is applicable to certain Pratt & Whitney Canada (PWC) PT6 series turboprop engines. This action requires a one-time visual inspection of compressor bleed-off valves (BOVs) to determine if an affected supplier's code number is on the cover; and, if so, this AD requires the removal of the bleed val…

    Federal Register →

04 /  Service Difficulty Reports

FAA SDR filings

The FAA does not currently expose a public API for Service Difficulty Reports. We do not back-fill or paraphrase. Search the FAA SDR portal directly →

05 /  Sources & Methodology

Every fact on this page links to its primary US-government source

We render only what the agency publishes. Found a factual error? Report it → We acknowledge within 5 business days and resolve within 14.