PA18 occurrences (1,351–1,400 of 3,823)
- 1990-08-26 — Albert W. Sleight — N965CD (incident)
- 1990-08-12 — N3946Z (incident)
- 1990-08-12 — N7087B (incident)
- 1990-08-03 — N159T (incident)
- 1990-08-02 — Oak Island Flight Academy — N9239T (incident)
- 1990-07-29 — Szaruas, Martin — N2362A (incident)
- 1990-07-28 — Sky Signs Inc. — N2789P (incident)
- 1990-07-25 — Rand D. Dawson — N75PC (incident)
- 1990-07-24 — N4184Z (incident)
- 1990-07-21 — N4153Z (incident)
- 1990-07-13 — N1756A (incident)
- 1990-07-09 — Steven H. Porter — N8519Y (hull loss)
- 1990-07-08 — N91248 (incident)
- 1990-07-03 — N4878A (incident)
- 1990-06-22 — Kim Irwin — N4431Z (incident)
- 1990-06-22 — N9926D (incident)
- 1990-06-04 — Norman Ranch Company — N4720A (incident)
- 1990-06-01 — Mervyn, William J. — N5895D (incident)
- 1990-05-26 — N9288D (incident)
- 1990-05-25 — Jefe Voladores, Inc. — N8474D (incident)
- 1990-05-21 — Holt, Robert W — N2515A (incident)
- 1990-05-20 — N9071D (incident)
- 1990-05-18 — N407WB (incident)
- 1990-05-12 — N7591P (incident)
- 1990-05-10 — W.l. Ranch Co. — N62672 (incident)
- 1990-05-07 — N1011A (incident)
- 1990-05-05 — N91117 (incident)
- 1990-05-03 — N1192C (incident)
- 1990-04-15 — N6MX (incident)
- 1990-04-13 — N40872 (incident)
- 1990-04-08 — John M. Edwards — N64RS (incident)
- 1990-04-01 — N6981B (incident)
- 1990-03-28 — N7134K (incident)
- 1990-03-28 — N83681 (incident)
- 1990-03-23 — N9977Q (incident)
- 1990-03-13 — Best, William — N3765Z (incident)
- 1990-01-20 — N7216K (incident)
- 1989-12-27 — George W. Joyner — N9975Q (incident)
- 1989-12-22 — Carlson, Jens P. — N8569D (incident)
- 1989-12-19 — N4101E (incident)
- 1989-12-03 — N62672 (incident)
- 1989-11-03 — Smoak Groves, Inc. — N4129E (incident)
- 1989-10-29 — West Valley Flying Club — N9292Z (incident)
- 1989-10-01 — N83381 (incident)
- 1989-09-30 — N7513K (incident)
- 1989-09-19 — HB-PBA (incident)
- 1989-09-14 — Rexford L. Turner — N62RT (incident)
- 1989-09-12 — James Driskell — N3680Z (incident)
- 1989-09-12 — N9496D (incident)
- 1989-09-11 — N4099E (incident)