Human-Machine Interface
Aircraft Equipment Problem Less Severe; Deviation / Discrepancy - Procedural Published Material / Policy; Deviation / Discrepancy - Procedural FAR
General None Reported / Taken
Equipment / Tooling; Aircraft; Human Factors
The permanent EFB (Electronic Flight Bag) mount restricts Pilots ability to move the flight controls in violation of CFR (Code of Federal Regulations) part 25.777(a)(c) which states Cockpit controls:(a) Each cockpit control must be located to provide convenient operation and to prevent confusion and inadvertent operation.(c) The controls must be located and arranged; with respect to the Pilots' seats; so that there is FULL AND UNRESTRICTED MOVEMENT OF EACH CONTROL WITHOUT INTERFERENCE from the COCKPIT STRUCTURE or the clothing of the minimum Flight Crew (established under 25.1523) when any member of this Flight Crew; from 5 ft. 2 in. to 6 ft. 3 in. in height; is seated.I am 5 ft. 9 in. and according to the US Navy I am anthropomorphically average and was not restricted from flying any aircraft in the Navy during my service. I have never had any issues with any control restriction until the EFB mount. Additionally I sit in the recommended position per [Company manual]. Oddly enough this makes the restriction worse as the slightly higher seated position further restricts ability to lift outside arm.The ground steering tiller AND the flight control yoke are adversely affected when the EFB is mounted in either vertical or horizontal position. The only option I have been able to find acceptable is to NOT mount the EFB and leave it on my bag or on glare shield. Both are susceptible to inflight movement; not ideal; likely against AOM/FRM guidance; but greatly preferable to not being able to move controls freely. I have previously reported this issue but was rebuffed by EFB Team who stated the design had an STC (Supplemental Type Certificate) and met requirements. I most strongly DISAGREE and sincerely believe this issue needs a fresh look by parties not desirous of particular outcome.
Air carrier pilot reported that an Electronic Flight Bag mount interfered with the movement of the flight controls and could be a potential safety risk.