HC Deb 21 November 1973 vol 864 c450W
Mr. Bishop

asked the Secretary of State for Trade and Industry how many RB211 engines have now been delivered to Lockheed and to airline customers, respectively; and how many of these have been the improved 22 version.

Mr. Onslow

Up to 1st November 1973, 191 RB211 engines had been delivered to Lockheed and 56 to airline customers: 247 in all. Of these 142 were to the interim RB211–22C standard and 105 to the full RB211–22B standard.