X4 Booster
Flight Log
X4-01 – Eagle
X4-02 – Columbia
X4-03 – Zephyr
X4-04 – (Ground
Test Mockup)
Date Mission Vehicle Mission Notes Engine Location
August 14,
2010
PLS-01 X4-01 Maiden Voyage D12-5 Harmon
August 14,
2010
PLS-02 X4-02 Maiden Voyage D12-5 Harmon
August 14,
2010
PLS-03 X4-02 Flight Tests D12-5 Harmon
August 14,
2010
PLS-04 X4-02 Flight Tests E9-6 Harmon
August 14,
2010
PLS-05 X4-02 Flight Tests D12-5 Harmon
August 28,
2010
PLS-06 X4-02 Payload Section Tests E9-6 Harmon
August 28,
2010
PLS-07 X4-02 Payload Section Tests E15-7 Harmon
August 28,
2010
PLS-08 X4-02 Payload Section Tests E9-6 Harmon
August 28,
2010
PLS-09 X4-02 Payload Section Tests E9-6 Harmon
September
10, 2010
PLS-10 X4-02 Payload Test D-12-5 Harmon
PLS-11 X4-03 DDM test E-15 Harmon
PLS-12 X4-03 DDM test E9-6 Harmon
September
11, 2010
PLS-13 X4-01 D12-5 Harmon
PLS-14 X4-01 E9-6 Harmon
October 9,
2010
PLS-15 X4-01 Camera E9-6 Harmon
PLS-16 X4-01 Camera E9-6 Harmon
  PLS-17 X4-01 Camea E9-6 Harmon
PLS-18 X4-02 Camera D-12-5 Harmon
PLS-19 X4-02 Camera D-12-5 Harmon
October
23, 2010
PLS-20 X4-02 Payload / Alt1 D12-5 Harmon
PLS-21 X4-02 Camera / Alt1 D12-5 Harmon
November
6, 2010
PLS-22 X4-03 SM Camera E9-6 Dayton
PLS-23 X4-03 SM Camera E9-6 Dayton
PLS-24 X4-02 Camera E18-7 Dayton
PLS-25 X4-02 Camera E18-4 Dayton
November
7, 2010
PLS-26 X4-01 Camera E18-7 Dayton
PLS-27 X4-01 Camera F24-7 Dayton
PLS-28 X4-02 Camera F24-7 Dayton
December
11, 2010
PLS-29 X4-01 SM Camera E9-6 Harmon