# Proposed AD FAA-2013-1032: Dassault Aviation Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2015-06-04
- Products: Dassault
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: December 26, 2013, 78 FR 78292
- Comments due: February 10, 2014
- Became: [AD 2015-06-04](https://openairdocs.org/ad/2015-06-04)
- Docket: FAA-2013-1032 (https://www.regulations.gov/docket/FAA-2013-1032, where comments are filed)
- Project: 2012-NM-121-AD
- FR document: 2013-30853
- Official PDF: https://openairdocs.org/files/sha256/68/ea/68eac5f8bca3cf081e32086f3b3a7dfabc8644e398f496e484a5ae8990eedec2 (from https://www.govinfo.gov/content/pkg/FR-2013-12-26/pdf/2013-30853.pdf)
- Federal Register: https://www.federalregister.gov/documents/2013/12/26/2013-30853/airworthiness-directives-dassault-aviation-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/135385C774A2867486257C4D004EDB28.0001
- Page: https://openairdocs.org/proposed/FAA-2013-1032

## Summary

We propose to supersede airworthiness directive (AD) 2011-13- 07 that applies to all Dassault Aviation Model FALCON 7X airplanes. AD 2011-13-07 requires revising the airplane flight manual (AFM) to include a procedure to power off a radio-altimeter or revert to the correct radio-altimeter output. Since we issued AD 2011-13-07, an analysis showed that AFM procedures could be simplified. This proposed AD would require revising the AFM to include a simpler procedure to revert to the correct radio-altimeter output. We are proposing this AD to ensure that the flightcrew has procedures in the event of a radio- altimeter lock-up, which inhibits the display of warnings along with certain abnormal conditions, during the switch into landing mode during altitude cruise. If not corrected, this could result in the flightcrew being unaware of possible system failures that require immediate action by the flightcrew, leading to possible loss of control of the airplane.

## Notices in this docket

- Dec 26, 2013: Notice of proposed rulemaking (NPRM). (first notice), FR document 2013-30853, comments due Feb 10, 2014 (https://www.federalregister.gov/documents/2013/12/26/2013-30853/airworthiness-directives-dassault-aviation-airplanes)

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