§ 1. Mr. John Lewis
asked the Parliamentary Secretary to the Ministry of Civil Aviation what is the average number of engine hours for a Bristol Hercules engine as fitted to the Viking aircraft before requiring an overhaul.
§ The Parliamentary Secretary to the Ministry of Civil Aviation (Mr. Lindgren)
In the case of Vikings operated by British European Airways Corporation, 425 hours.
§ Mr. Lindgren
That is a totally different type of engine. The period between overhauls varies with the type of engine.