List of X-15 flights
List of flights

List of X-15 flights

Section Title: List of flights
Table Section Text: None

3 Pt. FID

GTF	FF	Pl	FF(I)	TF(I)	Carr	Date	Pilot	MM	MV	MA	Notes

1	—	1	C	1	—	10 March 1959	Crossfield	—	—	—	The X-15-1's first time aloft. Crossfield's first time aloft. First time aloft of program.

2	—	1	A	2	—	1 April 1959	Crossfield	—	—	—

3	—	1	A	3	—	10 April 1959	Crossfield	—	—	—

4	—	1	A	4	—	21 May 1959	Crossfield	—	—	—

5	1	1	1	5	3	8 June 1959	Crossfield	0.79	522	37,550	The X-15-1's first free flight. Crossfield's first free flight. Glide flight, only one scheduled during program.

6	—	2	C	1	—	24 June 1959	Crossfield	—	—	—	The X-15-2's first time aloft.

7	—	2	A	2	—	4 September 1959	Crossfield	—	—	—

8	2	2	1	3	3	17 September 1959	Crossfield	2.11	1,393	52,341	The X-15-2's first free flight. First powered flight of program.

9	—	2	A	4	—	10 October 1959	Crossfield	—	—	—

10	—	2	A	5	—	14 October 1959	Crossfield	—	—	—

11	3	2	2	6	3	17 October 1959	Crossfield	2.15	1,419	61,781

12	—	2	A	7	—	22 October 1959	Crossfield	—	—	—

13	—	2	A	8	—	31 October 1959	Crossfield	—	—	—

14	4	2	3	9	3	5 November 1959	Crossfield	1.00	660	45,462

15	—	1	A	6	—	16 December 1959	Crossfield	—	—	—

16	5	1	2	7	8	23 January 1960	Crossfield	2.53	1,669	66,844

17	—	2	A	10	—	4 February 1960	Crossfield	—	—	—

18	6	2	4	11	8	11 February 1960	Crossfield	2.22	1,466	88,116

19	7	2	5	12	8	17 February 1960	Crossfield	1.57	1,036	52,640

20	8	2	6	13	8	17 March 1960	Crossfield	2.15	1,419	52,640

21	—	2	A	14	—	18 March 1960	Crossfield	—	—	—

22	9	1	3	8	8	25 March 1960	Walker	2.00	1,320	48,630	Walker's first free flight.

23	10	2	7	15	8	29 March 1960	Crossfield	1.96	1,293	49,982

24	11	2	8	16	8	31 March 1960	Crossfield	2.03	1,340	51,356

25	12	1	4	9	3	13 April 1960	White	1.90	1,254	48,000	White's first free flight.

26	13	1	5	10	3	19 April 1960	Walker	2.56	1,689	59,496

27	—	2	A	17	—	5 May 1960	Crossfield	—	—	—

28	14	1	6	11	3	6 May 1960	White	2.20	1,452	60,938

29	15	1	7	12	3	12 May 1960	Walker	3.19	2,111	77,882

30	16	1	8	13	3	19 May 1960	White	2.31	1,590	108,997

31	17	2	9	18	8	26 May 1960	Crossfield	2.20	1,452	51,282

32	—	1	A	14	—	27 May 1960	Walker	—	—	—

33	—	1	A	15	—	3 June 1960	Walker	—	—	—

34	—	1	A	16	—	8 June 1960	Walker	—	—	—

35	18	1	9	17	3	4 August 1960	Walker	3.31	2,196	78,112

36	—	1	A	18	—	11 August 1960	White	—	—	—

37	19	1	10	19	3	12 August 1960	White	2.52	1,772	136,500

38	—	1	A	20	—	18 August 1960	Walker	—	—	—

39	20	1	11	21	3	19 August 1960	Walker	3.13	1,986	75,982

40	—	1	A	22	—	2 September 1960	White	—	—	—

41	21	1	12	23	8	10 September 1960	White	3.23	2,182	79,864

42	—	1	A	24	—	20 September 1960	Petersen	—	—	—	Petersen's first time aloft.

43	22	1	13	25	8	23 September 1960	Petersen	1.68	1,108	53,043	Petersen's first free flight.

44	—	1	A	26	—	11 October 1960	Petersen	—	—	—

45	—	2	A	19	—	13 October 1960	Crossfield	—	—	—

46	23	1	14	27	8	20 October 1960	Petersen	1.94	1,280	53,800

47	24	1	15	28	8	28 October 1960	McKay	2.02	1,333	50,700	McKay's first free flight.

48	—	2	A	20	—	4 November 1960	Crossfield	—	—	—

49	25	1	16	29	8	4 November 1960	Rushworth	1.95	1,287	48,900	Rushworth's first free flight.

50	26	2	10	21	3	15 November 1960	Crossfield	2.97	1,960	81,200

51	27	1	17	30	3	17 November 1960	Rushworth	1.90	1,254	54,750

52	28	2	11	22	3	22 November 1960	Crossfield	2.51	1,656	61,900

53	29	1	18	31	8	30 November 1960	Armstrong	1.75	1,155	48,840	Armstrong's first free flight.

54	30	2	12	23	3	6 December 1960	Crossfield	2.85	1,881	53,374	Crossfield's last free flight.

55	31	1	19	32	8	9 December 1960	Armstrong	1.80	1,188	50,095

56	—	1	A	33	—	15 December 1960	McKay	—	—	—

57	—	1	A	34	—	11 January 1961	McKay	—	—	—

58	32	1	20	35	8	1 February 1961	McKay	1.88	1,211	49,780

59	33	1	21	36	8	7 February 1961	White	3.50	2,275	78,150

60	—	2	A	24	—	21 February 1961	White	—	—	—

61	—	2	A	25	—	24 February 1961	White	—	—	—

62	34	2	13	26	8	7 March 1961	White	4.43	2,905	77,450

63	—	2	A	27	—	21 March 1961	Walker	—	—	—

64	35	2	14	28	8	30 March 1961	Walker	3.95	2,760	169,600

65	36	2	15	29	3	21 April 1961	White	4.62	3,074	105,000

66	—	2	A	30	—	19 May 1961	Walker	—	—	—

67	37	2	16	31	3	25 May 1961	Walker	4.95	3,307	107,500

68	—	2	A	32	—	20 June 1961	White	—	—	—

69	38	2	17	33	3	23 June 1961	White	5.27	3,603	107,700

70	39	1	22	37	3	10 August 1961	Petersen	4.11	2,735	78,200

71	40	2	18	34	8	12 September 1961	Walker	5.21	3,618	114,300

72	41	2	19	35	8	28 September 1961	Petersen	5.30	3,600	101,800

73	—	1	A	38	—	29 September 1961	Rushworth	—	—	—

74	42	1	23	39	3	4 October 1961	Rushworth	4.30	2,830	78,000

75	43	2	20	36	3	11 October 1961	White	5.21	3,647	217,000

76	44	1	24	40	3	17 October 1961	Walker	5.74	3,900	108,600

77	—	1	A	41	—	27 October 1961	White	—	—	—

78	—	1	A	42	—	2 November 1961	White	—	—	—

79	—	1	A	43	—	3 November 1961	White	—	—	—

80	45	2	21	37	8	9 November 1961	White	6.04	4,093	101,600

81	—	3	A	1	—	19 December 1961	Armstrong	—	—	—	The X-15-3's first time aloft.

82	46	3	1	2	3	20 December 1961	Armstrong	3.76	2,502	81,000	The X-15-3's first free flight.

83	47	1	25	44	3	10 January 1962	Petersen	0.97	645	44,750	Petersen's last free flight.

84	48	3	2	3	3	17 January 1962	Armstrong	5.51	3,765	133,500

85	—	3	A	4	—	29 March 1962	Armstrong	—	—	—

86	—	3	A	5	—	30 March 1962	Armstrong	—	—	—

87	—	3	A	6	—	31 March 1962	Armstrong	—	—	—

88	49	3	3	7	3	5 April 1962	Armstrong	4.12	2,850	180,000

89	—	1	A	45	—	18 April 1962	Walker	—	—	—

90	50	1	26	46	3	19 April 1962	Walker	5.69	3,866	154,000

91	51	3	4	8	8	20 April 1962	Armstrong	5.31	3,789	207,500

92	—	2	A	38	—	25 April 1962	White	—	—	—

93	—	2	A	39	—	26 April 1962	White	—	—	—

94	—	1	A	47	—	27 April 1962	Walker	—	—	—

95	52	1	27	48	8	30 April 1962	Walker	4.94	3,489	246,700

96	53	2	22	40	8	8 May 1962	Rushworth	5.34	3,524	70,400

97	54	1	28	49	3	22 May 1962	Rushworth	5.03	3,450	100,400

98	—	2	A	41	—	25 May 1962	White	—	—	—

99	—	2	A	42	—	29 May 1962	White	—	—	—

100	55	2	23	43	8	1 June 1962	White	5.42	3,675	132,600

101	56	1	29	50	3	7 June 1962	Walker	5.39	3,672	103,600

102	57	3	5	9	8	12 June 1962	White	5.02	3,517	184,600

103	58	3	6	10	8	21 June 1962	White	5.08	3,641	246,700

104	59	1	30	51	3	27 June 1962	Walker	5.92	4,104	123,700

105	60	2	24	44	8	29 June 1962	McKay	4.95	3,280	83,200

106	—	3	A	11	—	10 July 1962	White	—	—	—

107	—	3	A	12	—	11 July 1962	White	—	—	—

108	—	3	A	13	—	16 July 1962	White	—	—	—

109	61	1	31	52	8	16 July 1962	Walker	5.37	3,674	107,200

110	62	3	7	14	3	17 July 1962	White	5.45	3,832	314,750	U.S. spaceflight.

111	63	2	25	45	8	19 July 1962	McKay	5.18	3,474	85,250

112	64	1	32	53	3	26 July 1962	Armstrong	5.74	3,989	98,900	Armstrong's last free flight.

113	—	3	A	15	—	1 August 1962	Walker	—	—	—

114	65	3	8	16	3	2 August 1962	Walker	5.07	3,438	144,500

115	66	2	26	46	8	8 August 1962	Rushworth	4.40	2,943	90,877

116	—	3	A	17	—	10 August 1962	Walker	—	—	—

117	67	3	9	18	3	14 August 1962	Walker	5.25	3,747	193,600

118	68	2	27	47	8	20 August 1962	Rushworth	5.24	3,534	88,900

119	69	2	28	48	8	29 August 1962	Rushworth	5.12	3,447	97,200

120	—	2	A	49	—	27 September 1962	McKay	—	—	—

121	70	2	29	50	8	28 September 1962	McKay	4.22	2,765	68,200

122	71	3	10	19	8	4 October 1962	Rushworth	5.17	3,493	112,200

123	72	2	30	51	3	9 October 1962	McKay	5.46	3,716	130,200

124	73	3	11	20	8	23 October 1962	Rushworth	5.47	3,764	134,500

125	74	2	31	52	8	9 November 1962	McKay	1.49	1,019	53,950	The X-15-2's last free flight. Landing accident damaged craft and injured pilot, leading to modification.

126	—	3	A	21	—	13 December 1962	White	—	—	—

127	75	3	12	22	8	14 December 1962	White	5.65	3,742	141,400	White's last free flight.

128	76	3	13	23	8	20 December 1962	Walker	5.73	3,793	160,400

129	77	3	14	24	8	17 January 1963	Walker	5.47	3,677	271,700	U.S. spaceflight.

130	78	1	33	54	8	11 April 1963	Rushworth	4.25	2,864	74,400

131	79	3	15	25	8	18 April 1963	Walker	5.51	3,770	92,500

132	80	1	34	55	8	25 April 1963	McKay	5.32	3,654	105,500

133	81	3	16	26	8	2 May 1963	Walker	4.73	3,488	209,400

134	—	3	A	27	—	10 May 1963	Rushworth	—	—	—

135	82	3	17	28	8	14 May 1963	Rushworth	5.20	3,600	95,600

136	83	1	35	56	3	15 May 1963	McKay	5.57	3,856	124,200

137	84	3	18	29	8	29 May 1963	Walker	5.52	3,858	92,000

138	85	3	19	30	8	18 June 1963	Rushworth	4.97	3,539	223,700

139	86	1	36	57	3	25 June 1963	Walker	5.51	3,911	111,800

140	87	3	20	31	8	27 June 1963	Rushworth	4.89	3,425	285,000	U.S. spaceflight.

141	—	1	A	58	—	3 July 1963	Walker	—	—	—

142	88	1	37	59	8	9 July 1963	Walker	5.07	3,631	226,400

143	—	1	A	60	—	17 July 1963	Rushworth	—	—	—

144	89	1	38	61	3	18 July 1963	Rushworth	5.63	3,925	104,800

145	90	3	21	32	8	19 July 1963	Walker	5.50	3,710	347,800	FAI spaceflight. Second highest altitude of program.

146	—	3	A	33	—	6 August 1963	Walker	—	—	—

147	—	3	A	34	—	13 August 1963	Walker	—	—	—

148	—	3	A	35	—	15 August 1963	Walker	—	—	—

149	91	3	22	36	3	22 August 1963	Walker	5.58	3,794	354,200	FAI spaceflight. Walker's last free flight. Highest altitude of program.

150	—	1	A	62	—	4 October 1963	Engle	—	—	—	Engle's first time aloft.

151	92	1	39	63	8	7 October 1963	Engle	4.21	2,834	77,800	Engle's first free flight.

152	—	3	A	37	—	14 October 1963	Rushworth	—	—	—

153	—	3	A	38	—	25 October 1963	Rushworth	—	—	—

154	93	1	40	64	8	29 October 1963	Thompson	4.10	2,712	74,400	Thompson's first free flight.

155	94	3	23	39	8	7 November 1963	Rushworth	4.40	2,925	82,300

156	95	1	41	65	8	14 November 1963	Engle	4.75	3,286	90,800

157	—	3	A	40	—	19 November 1963	Thompson	—	—	—

158	96	3	24	41	8	27 November 1963	Thompson	4.94	3,310	89,800

159	—	1	A	66	—	3 December 1963	Rushworth	—	—	—

160	97	1	42	67	8	5 December 1963	Rushworth	6.06	4,018	101,000

161	—	1	A	68	—	18 December 1963	Rushworth	—	—	—

162	98	1	43	69	8	8 January 1964	Engle	5.32	3,616	139,900

163	99	3	25	42	8	16 January 1964	Thompson	4.92	3,242	71,000

164	100	1	44	70	8	28 January 1964	Rushworth	5.34	3,618	107,400

165	101	3	26	43	3	19 February 1964	Thompson	5.29	3,519	78,600

166	102	3	27	44	3	13 March 1964	McKay	5.11	3,392	76,000

167	—	1	A	71	—	17 March 1964	Rushworth	—	—	—

168	103	1	45	72	3	27 March 1964	Rushworth	5.63	3,827	101,500

169	—	3	A	45	—	31 March 1964	McKay	—	—	—

170	104	1	46	73	3	8 April 1964	Engle	5.01	3,468	175,000

171	105	1	47	74	3	29 April 1964	Rushworth	5.72	3,906	101,600

172	—	3	A	46	—	11 May 1964	McKay	—	—	—

173	106	3	28	47	3	12 May 1964	McKay	4.66	3,084	72,800

174	107	1	48	75	3	19 May 1964	Engle	5.02	3,494	195,800

175	108	3	29	48	3	21 May 1964	Thompson	2.90	1,865	64,200

176	—	1	A	76	—	11 June 1964	Thompson	—	—	—

177	—	2	C	53	—	15 June 1964	Rushworth	—	—	—	The X-15A-2's first time aloft. Return to service of modified craft.

178	—	2	A	54	—	23 June 1964	Rushworth	—	—	—

179	109	2	32	55	3	25 June 1964	Rushworth	4.59	3,104	83,300	The X-15A-2's first free flight. Return flight of modified craft.

180	110	1	49	77	3	30 June 1964	McKay	4.96	3,334	99,600

181	—	3	A	49	—	2 July 1964	Engle	—	—	—

182	111	3	30	50	3	8 July 1964	Engle	5.05	3,520	170,400

183	—	3	A	51	—	28 July 1964	Engle	—	—	—

184	112	3	31	52	3	29 July 1964	Engle	5.38	3,623	78,000

185	113	3	32	53	3	12 August 1964	Thompson	5.24	3,535	81,200

186	114	2	33	56	3	14 August 1964	Rushworth	5.23	3,590	103,300

187	115	3	33	54	3	26 August 1964	McKay	5.65	3,863	91,000

188	116	3	34	55	3	3 September 1964	Thompson	5.35	3,615	78,600

189	—	3	A	56	—	23 September 1964	Engle	—	—	—

190	117	3	35	57	3	28 September 1964	Engle	5.59	3,888	97,000

191	118	2	34	57	8	29 September 1964	Rushworth	5.20	3,542	97,800

192	—	1	A	78	—	2 October 1964	McKay	—	—	—

193	119	1	50	79	8	15 October 1964	McKay	4.56	3,048	84,900

194	—	3	C	58	—	29 October 1964	Thompson	—	—	—

195	120	3	36	59	8	30 October 1964	Thompson	4.66	3,113	84,600

196	—	2	C	58	—	6 November 1964	McKay	—	—	—

197	—	2	C	59	—	16 November 1964	McKay	—	—	—

198	121	2	35	60	8	30 November 1964	McKay	4.66	3,089	87,200

199	—	1	A	80	—	4 December 1964	Engle	—	—	—

200	122	3	37	60	8	9 December 1964	Thompson	5.42	3,723	92,400

201	123	1	51	81	3	10 December 1964	Engle	5.35	3,675	113,200

202	124	3	38	61	3	22 December 1964	Rushworth	5.55	3,593	81,200

203	125	3	39	62	3	13 January 1965	Thompson	5.48	3,712	99,400

204	—	1	A	82	—	26 January 1965	McKay	—	—	—

205	126	3	40	63	8	2 February 1965	Engle	5.71	3,885	98,200

206	—	2	C	61	—	15 February 1965	Rushworth	—	—	—

207	—	2	C	62	—	15 February 1965	Rushworth	—	—	—

208	127	2	36	63	8	17 February 1965	Rushworth	5.27	3,511	95,100

209	—	1	A	83	—	19 February 1965	McKay	—	—	—

210	—	1	A	84	—	25 February 1965	McKay	—	—	—

211	128	1	52	85	8	26 February 1965	McKay	5.40	3,750	153,600

212	129	1	53	86	8	26 March 1965	Rushworth	5.17	3,580	101,900

213	130	3	41	64	8	23 April 1965	Engle	5.48	3,580	79,700

214	131	2	37	64	8	28 April 1965	McKay	4.80	3,273	92,600

215	—	1	A	87	—	11 May 1965	Thompson	—	—	—

216	—	2	A	65	—	13 May 1965	McKay	—	—	—

217	132	2	38	66	8	18 May 1965	McKay	5.17	3,541	102,100

218	133	1	54	88	8	25 May 1965	Thompson	4.87	3,418	179,800

219	134	3	42	65	8	28 May 1965	Engle	5.17	3,754	209,600

220	—	2	A	67	—	4 June 1965	McKay	—	—	—

221	—	2	A	68	—	8 June 1965	McKay	—	—	—

222	—	2	A	69	—	11 June 1965	McKay	—	—	—

223	135	3	43	66	3	16 June 1965	Engle	4.69	3,404	244,700

224	136	1	55	89	8	17 June 1965	Thompson	5.14	3,541	108,500

225	137	2	39	70	8	22 June 1965	McKay	5.64	3,938	155,900

226	138	3	44	67	8	29 June 1965	Engle	4.94	3,432	280,600	U.S. spaceflight.

227	—	2	A	71	—	2 July 1965	McKay	—	—	—

228	139	2	40	72	3	8 July 1965	McKay	5.19	3,659	212,600

229	—	3	A	68	—	13 July 1965	Rushworth	—	—	—

230	140	3	45	69	8	20 July 1965	Rushworth	5.40	3,760	105,400

231	—	1	A	90	—	23 July 1965	Thompson	—	—	—

232	—	1	A	91	—	27 July 1965	Thompson	—	—	—

233	—	1	A	92	—	28 July 1965	Thompson	—	—	—

234	141	2	41	73	8	3 August 1965	Rushworth	5.16	3,602	208,700

235	142	1	56	93	8	6 August 1965	Thompson	5.15	3,534	103,200

236	143	3	46	70	3	10 August 1965	Engle	5.20	3,550	271,000	U.S. spaceflight.

237	—	1	A	94	—	20 August 1965	Thompson	—	—	—

238	—	1	A	95	—	24 August 1965	Thompson	—	—	—

239	144	1	57	96	3	25 August 1965	Thompson	5.11	3,604	214,100	Thompson's last free flight.

240	145	3	47	71	8	26 August 1965	Rushworth	4.79	3,372	239,600

241	146	2	42	74	8	2 September 1965	McKay	5.16	3,570	239,800

242	147	1	58	97	8	9 September 1965	Rushworth	5.25	3,534	97,200

243	148	3	48	72	8	14 September 1965	McKay	5.03	3,519	239,000

244	149	1	59	98	3	22 September 1965	Rushworth	5.18	3,550	100,300

245	150	3	49	73	3	28 September 1965	McKay	5.33	3,732	295,600	U.S. spaceflight.

246	151	1	60	99	3	30 September 1965	Knight	4.06	2,718	76,600	Knight's first free flight.

247	—	1	A	100	—	8 October 1965	Engle	—	—	—

248	152	3	50	74	8	12 October 1965	Knight	4.62	3,108	94,400

249	153	1	61	101	3	14 October 1965	Engle	5.08	3,554	266,500	U.S. spaceflight. Engle's last free flight.

250	154	3	51	75	3	27 October 1965	McKay	5.06	3,519	236,900

251	—	1	A	102	—	2 November 1965	Dana	—	—	—	Dana's first time aloft.

252	155	2	43	75	3	3 November 1965	Rushworth	2.31	1,500	70,600

253	156	1	62	103	8	4 November 1965	Dana	4.22	2,765	80,200	Dana's first free flight.

254	—	2	A	76	—	13 April 1966	Rushworth	—	—	—

255	—	2	A	77	—	20 April 1966	Rushworth	—	—	—

256	—	2	A	78	—	5 May 1966	Rushworth	—	—	—

257	157	1	63	104	3	6 May 1966	McKay	2.21	1,434	68,400

258	158	2	44	79	3	18 May 1966	Rushworth	5.43	3,689	99,000

259	—	1	A	105	—	2 June 1966	McKay	—	—	—

260	—	1	A	106	—	10 June 1966	McKay	—	—	—

261	—	3	A	76	—	20 June 1966	Dana	—	—	—

262	—	2	C	80	—	27 June 1966	Rushworth	—	—	—

263	159	2	45	81	8	1 July 1966	Rushworth	1.70	1,061	44,800	Rushworth's last free flight.

264	160	1	64	107	3	12 July 1966	Knight	5.34	3,652	130,000

265	—	3	A	77	—	13 July 1966	Dana	—	—	—

266	161	3	52	78	3	18 July 1966	Dana	4.71	3,217	96,100

267	—	2	A	82	—	20 July 1966	Knight	—	—	—

268	162	2	46	83	3	21 July 1966	Knight	5.12	3,568	192,300

269	163	1	65	108	8	28 July 1966	McKay	5.19	3,702	241,800

270	164	2	47	84	8	3 August 1966	Knight	5.03	3,440	249,000

271	165	3	53	79	8	4 August 1966	Dana	5.34	3,693	132,700

272	—	1	A	109	—	9 August 1966	McKay	—	—	—

273	—	1	A	110	—	10 August 1966	McKay	—	—	—

274	166	1	66	111	3	11 August 1966	McKay	5.21	3,590	251,000

275	167	2	48	85	3	12 August 1966	Knight	5.02	3,472	231,100

276	168	3	54	80	3	19 August 1966	Dana	5.20	3,607	178,000

277	169	1	67	112	3	25 August 1966	McKay	5.11	3,543	257,500

278	170	2	49	86	8	30 August 1966	Knight	5.21	3,543	102,200

279	171	1	68	113	8	8 September 1966	McKay	2.44	1,602	73,200	McKay's last free flight.

280	—	3	A	81	—	13 September 1966	Dana	—	—	—

281	172	3	55	82	3	14 September 1966	Dana	5.12	3,586	254,200

282	—	1	A	114	—	28 September 1966	Adams	—	—	—	Adams' first time aloft.

283	—	1	A	115	—	4 October 1966	Adams	—	—	—

284	173	1	69	116	3	6 October 1966	Adams	3.00	1,977	75,400	Adams' first free flight.

285	—	2	A	87	—	7 October 1966	Knight	—	—	—

286	—	2	A	88	—	19 October 1966	Knight	—	—	—

287	174	3	56	83	3	1 November 1966	Dana	5.46	3,750	306,900	U.S. spaceflight.

288	—	3	A	84	—	18 November 1966	Dana	—	—	—

289	175	2	50	89	8	18 November 1966	Knight	6.33	4,250	98,900

290	—	3	A	85	—	23 November 1966	Adams	—	—	—

291	176	3	57	86	3	29 November 1966	Adams	4.65	3,120	92,100

292	—	2	C	90	—	22 December 1966	Knight	—	—	—

293	—	1	A	117	—	15 March 1967	Adams	—	—	—

294	—	1	A	118	—	21 March 1967	Adams	—	—	—

295	177	1	70	119	3	22 March 1967	Adams	5.59	3,822	133,100

296	—	1	A	120	—	20 April 1967	Adams	—	—	—

297	178	3	58	87	8	26 April 1967	Dana	1.80	1,163	53,400

298	179	1	71	121	3	28 April 1967	Adams	5.44	3,720	167,200

299	—	2	A	91	—	5 May 1967	Knight	—	—	—

300	180	2	51	92	8	8 May 1967	Knight	4.75	3,193	97,600

301	—	3	A	88	—	12 May 1967	Dana	—	—	—

302	181	3	59	89	3	17 May 1967	Dana	4.80	3,177	71,100

303	—	1	A	122	—	26 May 1967	Adams	—	—	—

304	—	1	A	123	—	1 June 1967	Adams	—	—	—

305	—	1	A	124	—	14 June 1967	Adams	—	—	—

306	182	1	72	125	3	15 June 1967	Adams	5.14	3,606	229,300

307	183	3	60	90	8	22 June 1967	Dana	5.34	3,611	82,200

308	184	1	73	126	8	29 June 1967	Knight	4.23	2,870	173,000

309	185	3	61	91	8	20 July 1967	Dana	5.44	3,693	84,300

310	—	2	C	93	—	7 August 1967	Knight	—	—	—

311	—	2	A	94	—	11 August 1967	Knight	—	—	—

312	—	2	A	95	—	16 August 1967	Knight	—	—	—

313	186	2	52	96	8	21 August 1967	Knight	4.94	3,368	91,000

314	187	3	62	92	3	25 August 1967	Adams	4.63	3,115	84,400

315	—	3	A	93	—	22 September 1967	Dana	—	—	—

316	188	2	53	97	8	3 October 1967	Knight	6.70	4,520	102,100	Highest Mach and speed records of program. The X-15A-2's last free flight. Craft retired after setting records.

317	189	3	63	94	3	4 October 1967	Dana	5.53	3,897	251,100

318	190	3	64	95	8	17 October 1967	Knight	5.53	3,856	280,500	U.S. spaceflight.

319	—	3	A	96	—	31 October 1967	Adams	—	—	—

320	191	3	65	97	8	15 November 1967	Adams	5.20	3,570	266,000	U.S. spaceflight. The X-15-3's last free flight. Adams' last free flight. Fatal disaster.

321	—	1	C	127	—	6 February 1968	Dana	—	—	—

322	—	1	A	128	—	7 February 1968	Dana	—	—	—

323	—	1	A	129	—	27 February 1968	Dana	—	—	—

324	192	1	74	130	8	1 March 1968	Dana	4.36	2,878	104,500

325	—	1	A	131	—	28 March 1968	Dana	—	—	—

326	—	1	A	132	—	3 April 1968	Dana	—	—	—

327	193	1	75	133	8	4 April 1968	Dana	5.27	3,610	187,500

328	194	1	76	134	8	26 April 1968	Knight	5.05	3,545	209,600

329	—	1	A	135	—	23 May 1968	Dana	—	—	—

330	195	1	77	136	8	12 June 1968	Dana	5.15	3,563	220,100

331	—	1	A	137	—	15 July 1968	Knight	—	—	—

332	196	1	78	138	3	16 July 1968	Knight	4.79	3,382	221,500

333	197	1	79	139	3	21 August 1968	Dana	5.01	3,443	267,500	U.S. spaceflight.

334	198	1	80	140	3	13 September 1968	Knight	5.37	3,723	254,100	Knight's last free flight.

335	199	1	81	141	3	24 October 1968	Dana	5.38	3,716	255,000	The X-15-1's last free flight. Dana's last free flight. Last free flight of program.

336	—	1	A	142	—	12 December 1968	Knight	—	—	—	The X-15-1's last time aloft. Knight's last time aloft. Last time aloft of program.

Sentence(s)

William Knight set the X-15 flights's Mach (6.70) and speed (4,520 mph) records on its 188th free flight.

final_sentence: William Knight set the X-15 flights's Mach (6.70) and speed (4,520 mph) records on its 188th free flight.