NLR rapport Memo VV-70-005 d.d. 19 februari 1970. Remarks on the Northrop/AETE flight-test-programme to demonstrate accuracy of the NF-5A doppler navigation system. NLR rapport TR 72100 C d.d. 7-8-1972. Calibration of NF-5A K-3001 test nose boom and verification of angle of attack data provided by Northrop. TD-278 NLR rapport V.1967 d.d. 20-10-1967. Note on the effect of maneuvering flaps on the turn performance of Northrop Norair NF-5 aircraft.