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Safety Topics

Safety Topics THIS accident occurred shortly before a Sikorsky S16N helicopter was due to depart Sumbrugh on its first flight of the day. The crew of 2 and 16 passengers were embarked. Normal preengine start checks were carried out and after receiving start clearance from ATC, both engines were successively started. The crew encountered no abnormailities during prerotor engagement checks and approximately 1 minutes after starting engines, the rotors were engaged and brought up to 100 rotor speed Nr in the usual way. All indications remained normal until an estimated 34 minutes later, the crew members became aware of an abnormal whining noise. At the time they were carrying out a standard automatic flight control system check, scheduled prior to the first flight of the day. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

Safety Topics

Mayday,
Aircraft Engineering and Aerospace Technology , Volume 62 (10): 2 – Oct 1, 1990
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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb037007
Publisher site
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Abstract

THIS accident occurred shortly before a Sikorsky S16N helicopter was due to depart Sumbrugh on its first flight of the day. The crew of 2 and 16 passengers were embarked. Normal preengine start checks were carried out and after receiving start clearance from ATC, both engines were successively started. The crew encountered no abnormailities during prerotor engagement checks and approximately 1 minutes after starting engines, the rotors were engaged and brought up to 100 rotor speed Nr in the usual way. All indications remained normal until an estimated 34 minutes later, the crew members became aware of an abnormal whining noise. At the time they were carrying out a standard automatic flight control system check, scheduled prior to the first flight of the day.

Journal

Aircraft Engineering and Aerospace Technology – Emerald Publishing

Published: Oct 1, 1990

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