A hundred feet??? A pipeline patrol pilot will get a nose bleed that high and if caught by the company, they will get fired.
50’ & a ¼ mile is considered good VFR when on the pipeline. ![]()
Don’t they need to go on oxygen at 100’?
No but they had to cut their drinking in ½. Effects of altitude you know… ![]()
The slightest bad weather, or even heavy clouds, can cancel aerial photography flights.
Only over the work site. Flying at night and in IFR conditions to get there at the correct sun angle / date they want the pictures taken etc. was not at all unusual for our company.
Sometimes even haze can halt some work. If I can’t see the ground, the camera can’t either unless was RADAR, & even IR can be problematic.