What is the state of the art on flight testing airborne computers controlling such things as flight controls, autopilots, glass flight decks through to pax entertainment systems.?
Do we TPs and FTEs just wait for or induce some failures and then assess the consequences or do we examine statistics to highlight problem areas? A seperate thread may prove to be significent. |
Milt,
There's now almost a sub-industry of testing & the units required for this. The main item is known in our company as a "System Integration Test System (or Rig) SITS or SITR. This usually contains both the main Avionics (AP, FMS, sensors, displays, Input/Output devices etc) plus a radio rack and sub-system rigs such as Flight Control units, Stall Computers, FADECs and so on. Backing all these, are simulation computers to allow the system to "fly" and to set individual inputs & discretes for logic verification etc. Some companies have plans for complete rigs so that the entire integrated systems can be tested before the airframe is even built. |
MTOW from helipad, engines rates.
Good morning, I would like to know where it is written, in CS 29, the power rate used (in engines with 2' and 30" rate) to establish the MTOW from helipad.
Let me explain better: in CS 29.67 "Climb: One Engine Inoperative" it says: "The critical engine inoperative and the remaining engines within approved operating limitations, except that for rotorcraft for which the use of 30-second/2- minute OEI power is requested, only the 2-minute OEI power may be used in showing compliance with this paragraph". Is it perhaps 30" as I could guess from CS 29.62 "Rejected Take-off: Category A" where it says: "The remaining engines operating within approved limits"? Thanks for your answers! |
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