Unmanned aircraft and their engines, propellers, parts, non-installed equipment, and equipment to control the unmanned aircraft remotely must function as intended under any foreseeable operating conditions, throughout, and sufficiently beyond, the operation for which the aircraft was designed.
Maidir le haerárthaí gan foireann, maille lena n-innill, lena liáin, lena bpáirteanna agus lena dtrealamh neamhshuiteáilte, agus an trealamh lena ndéantar an t-aerárthach gan foireann a rialú go cianda, ní mór iad a bheith in ann feidhmiú mar atá beartaithe faoi aon dálaí oibríochtúla ar féidir coinne a bheith leo, le linn na hoibríochta ar dearadh na haerarthaí sin ina comhair, agus lasmuigh di, ar bhealach leordhóthanach.