The smallest remote-controlled model helicopter is the Nano Falcon by Silverlit Toys Manufactory Ltd. (China) which measures 8.11 cm (3.19 in) long, 5.09 cm (2.00 in) high, 2.24 cm (0.88 in) wide and has a rotor size of 6.98 cm (2.75 in). It was measured in Causeway Bay, Hong Kong, China, on 13 March 2013.
The helicopter flew for 5 minutes 15 seconds during the test flight performed on 13 March 2013. It weighs 10.43 grams.
Comments below may relate to previous holders of this record.