Deviation altitude undershoot
2,972 voluntary NASA ASRS incident reports categorised as “Deviation altitude undershoot”.
2,972Total reports
39Years with data
Reports by year
Recent report synopses
- 2026-02 Super King Air 200 pilot reported experiencing a loss of pressurization during their climb; resulting in the pilot losing orientation and directional control and flying towards terrain. The pilot regained orientation and control of the aircraft and proceeded to their destination.
- 2026-01 G100/Astra 1125 Captain reported a loss of control while using an auto-flight constant mach setting during climb. Pilot surmised an encounter with severe mountain wave and diverted to an alternate airport to check for damage.
- 2026-01 Cessna 172 instructor pilot reported a near miss with a Cessna Citation while climbing VFR to an ATC issued altitude. The jet was descending at a higher rate of speed on the downwind leg in the traffic pattern; when the instructor stopped the climb and flew under the jet.
Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.