operating life

4 triples
GPTKB property

Random triples
Subject Object
gptkb:T53-L-13_engine up to 5,000 hours
gptkb:Lycoming_T53-L-63 long operational life.
gptkb:The_B&_O's_C-420 approximately 10 years
gptkb:NK-25_engine 2,000 hours