This article describes an airline trial of a prototype personal digital ass
istant (PDA) intended for use by Check Airmen and Flight or Simulator Instr
uctors. The prototype PDA is capable of electronically recording, storing,
and transmitting data in both simulator and airplane across a range of pilo
t proficiency assessment categories. The background to the trial and our fi
ndings are discussed. Potential future applications and developments releva
nt to the future development of PDAs and similar equipment are also outline
d. The concluding section discusses important insights and perspectives dev
eloped subsequent to the trial.