COVER STORY
25 Special blend
As Lockheed Martin’s Skunk Works marks the 75th anniversary of its formation, we grabbed the opportunity to run this spectacular shot of its SR-71 Blackbird

AIR TRANSPORT
12 FAA tells Boeing to justify its GEnx-1B exemption request.
Incomplete engine wash led to fumes in cabin. PD-14 drives for EASA approval by end-2020

13 A350 order ends widebody drought. Norwegian seeks clarity on alternative offers

14 Texts reveal first officer’s captain fears. EASA calls for checks on Saab 2000 fuel probes

15 Flybe chief hopes ’bad joke’ can spark change. LOT Maxes out orders in new 737 lease deal

DEFENCE
17 L-159 partners eye OA-X requirement.
Pratt & Whitney powers up for prototypes with Gator Works

18 USMC outlines scope for MUX contest

19 Allies put personnel recovery skills to test.
Unmanned airlifter to be more than an Ilyushin. Pair launch supersonic Rampage

BUSINESS AVIATION
22 New owner polishes Diamond strategy.
Textron to make iTAWS warning system standard on King Air pair

23 PC-24 data dictates new order timetable.
Challenger 604XT Fusion upgrade set for fourth-quarter approval

FEATURES
29 CYBERSECURITY Attack surface
Digital technology has brought huge gains in performance, efficiency and customer service to aviation – and left a fragmented, interconnected industry vulnerable to hackers