What happened
An investigation into an occurrence involving a Robinson R22 Beta, registration G-TTHC, near Sandtoft Aerodrome, Humberside, required a formal correction to the published aircraft information. The original documentation incorrectly described the required positioning of a gauge needle during operation.
The investigation
Upon review of the aircraft information section under the General heading, it was identified that the text contained a significant error regarding engine or system monitoring. The initial report stated that the gauge needle should be maintained within the yellow arc.
Findings
Technical examination established that the previous instruction was inaccurate. In actual practice, the pilot must ensure the gauge needle is kept out of the yellow arc to maintain safe operating parameters. This correction ensures that the operational limits for the Robinson R22 Beta are accurately represented for future reference.