Aircraft Dispatcher case studies
Aircraft Dispatcher · Put your knowledge to work in context.
The Aircraft Dispatcher certificate - commonly searched as the FAA Aircraft Dispatcher Knowledge Test, the Aircraft Dispatcher Certificate Knowledge Test, or simply ADX - is a U.S. aviation credential for people who intend to share operational control of commercial flights with the pilot in command. The Aircraft Dispatcher case studies are 5 cases and about 4,367 words.
1The Point of No Return With 100 kg to Spare
Flight 214, a twin-jet, is 1 h 05 min from Calder (KCLD) at FL290 with 3 700 kg of fuel on board. The release carried taxi 200 kg, trip 7 900 kg, contingency 5 % (395 kg), destination alternate Stern (KSTN) 1 150 kg and final reserve 1 200 kg (30 min).
853 words, about 4 min2Baro-VNAV Not Authorised Below Zero
Flight 88 is planned into Echo Valley (KEVL): elevation 5 800 ft, one runway 16/34 of 2 300 m, and one instrument approach, RNAV (GPS) RWY 34, with LNAV/VNAV minima 6 420 ft and LNAV minima 6 540 ft (2 400 m visibility). The chart carries the note 'Baro-VNAV not authorised below 0 °C', a 3.3° final approach angle and a missed approach climb to 9 800 ft.
788 words, about 4 min3Eighty-five Metres of Margin on a Twenty-five-Minute-Old Report
Flight 61, a twin-jet (MLW 64 500 kg), is planned to land at Northfield (KNFL) at 61 500 kg on runway 27: LDA 2 300 m, touchdown-zone elevation 620 ft. The AFM at 61 500 kg, flaps 40, sea level, ISA, still air gives 1 600 m dry; the contaminated-runway table gives 2 090 m at sea level for RWYCC 3.
950 words, about 5 min4The Take-off CG Is Fine, So Why Is the Load Sheet Wrong?
Freighter Flight 903: MTOW 76 500 kg, MLW 66 000 kg, MZFW 62 500 kg, MAC 4.53 m. Aft CG limit 33.0 % MAC at all weights; forward limit 12.0 %.
887 words, about 4 min5A TEMPO Group That Covers the Whole Diversion Window
Flight 77, a twin-jet approved for 180-minute ETOPS, Westport (KWPT) to Harlow (KHLW), 9 h 20 min. The only usable en-route alternate is Marlow (KMRW), 1 100 nm from the equal-time point with one engine inoperative at FL200, 420 kt TAS, forecast headwind 45 kt.
889 words, about 4 min