Cheetah; Tiger; Traveler AA5 Series
Flight Crew Private
Flight Crew Total .1
Communication Breakdown; Situational Awareness
Conflict Ground Conflict; Critical; Deviation / Discrepancy - Procedural FAR; Deviation / Discrepancy - Procedural Published Material / Policy; Ground Incursion Runway
General None Reported / Taken
Human Factors
After my runup at Runway XXR; I proceeded to hold short of Runway XXR at Taxiway 1. I announced on CTAF 'Grumman Tiger is taking Runway XXR for left downwind departure'. Having heard no response; I entered on the runway and started my roll. I was airborne before passing Taxiway 2. About 30 seconds later I heard 'Cessna [...] clear of Runway XXR at taxiway 3'. I assumed someone was crossing the runway and just forgot to announce entering it.I landed about 40 minutes later. After stopping by my tiedown; I was approached by the airport ops gentleman who advised me that during my take off there was another airplane still on the opposite end of Runway XXR.According to the airport ops gentleman (he stated he had already spoken with the other pilot); this plane had landed Runway XXR just before I started my runup and had been sitting on the runway for 4 minutes before finally exiting at the opposite end (Taxiway 3). He also mentioned this plane had some communication problems talking to another plane while still airborne prior to his landing.I didn't hear any radio announcement and I didn't see any traffic on my ADS-B In screen.I don't believe I would be able to discern a small tail light of that plane given the distance (8;000 ft runway) and the airport lighting (ZZZ has lots of lights now; new taxiway lights; under construction lights; etc.). At no point there was any danger of collision since I never even saw this airplane but I will have to be more vigilant and take into account that technical difficulties may prevent other pilots from hearing me or responding to me.
Private pilot reported ground conflict during takeoff.