Navigasjonsproblemer - Curt Lewis

Incident: Ethiopian B772 over Indonesia on Jan 14th 2019, air space violation An Ethiopian Airlines Boeing 777-200 freighter, registration ET-AVN performing flight ET-3728 from Addis Ababa (Ethiopia) to Hong Kong (China) with 6 crew, was enroute at FL410 near the equator crossing into Indonesian Airspace, about 1200nm south of the great circle route and the usual company route, when Indonesia dispatched fighter aircraft to intercept the freighter due to a missing overflight permission. The fighter aircraft accompanied the aircraft to Hang Nadim Airport on Indonesia's Island of Batam, where the aircraft landed safely about 9 hours after departure from Addis Ababa, at about the estimated time of arrival into Hong Kong. Hang Nadim Airport reported the aircraft had departed Addis Ababa for Hong Kong. Indonesia's Airforce reported the aircraft had no permission to overfly Indonesia and was intercepted as result. The aircraft has been directed to land on Batam Island and is currently being kept there. The airline claimed the aircraft had departed Addis Ababa for Singapore (Singapore) to deliver a replacement engine to Singapore. According to ICAO convention article 5 an unscheduled flight can overfly the airspace of a friendly country without prior permission, the airline stated. Freight flight ET-3728 usually operates from Addis Ababa or Brussels (Belgium) to Hong Kong, however, on Nov 25th 2018 and Dec 23rd 2018 the flight also operated from Addis Ababa to Singapore. The occurrence aircraft is still on the ground in Hang Nadim about 46 hours after landing.

Incident: Nouvel A320 at Djerba on Jan 15th 2019, IRS failure A Nouvelair Airbus A320-200, registration TS-INH performing flight BJ-518 from Djerba (Tunisia) to Paris Charles de Gaulle (France), was climbing out of Djerba's runway 27 when the crew stopped the climb at 8000 feet advising of problems with their Inertial Reference Systems (IRS). The aircraft returned to Djerba for a safe landing on runway 27 about 15 minutes after departure. A replacement Airbus A320-200 registration TS-INR reached Paris with a delay of 4:15 hours. The occurrence aircraft is still on the ground in Djerba about 8.5 hours after landing back. Incident: Cathay Dragon A320 at Hong Kong on Jan 13th 2019, navigation problems A Cathay Dragon Airbus A320-200, registration B-HSN performing flight KA-454 from Hong Kong (China) to Kaohsiung (Taiwan), was climbing out of Hong Kong's runway 07R when upon contacting departure the crew requested vectors, they were unable to follow the standard departure route, they intended to maintain runway heading for now. The aircraft climbed to 7000 feet, after working checklists the crew decided to return to Hong Kong. The crew indicated in case of a missed approach they were unable to follow the missed approach procedure and needed vectors. The aircraft landed safely on Hong Kong's runway 07L about 35 minutes after departure. A replacement A320-200 registration B-HSD reached Kaohsiung with a delay of 3:15 hours. The occurrence aircraft remained on the ground in Hong Kong for about 26.5 hours before returning to service.