Investigation Summary
The investigation revealed a total breakdown of professional standards during the Part 91 ferry flight. Shortly after takeoff, the crew performed high-G zoom climbs and rudder swings. At approximately 15,000 feet, the pilots switched seats, with Captain Rhodes moving to the right (First Officer's) seat and First Officer Cesarz moving to the left (Captain's) seat to fly the aircraft. As they approached 41,000 feet, they failed to maintain the required minimum climb speed of 250 knots, allowing it to drop to 163 knots. This placed the aircraft on the back side of the power curve, where the thin air at high altitude provided insufficient thrust to recover speed without losing altitude. When the aircraft stalled, the crew's reflexive attempts to maintain altitude by pulling back on the yoke overrode the stick pusher three times, causing the engines to ingest turbulent air and flame out. During the subsequent descent, the crew failed to maintain the 300-knot airspeed required for a windmill restart. This allowed the engine components to cool and contract at different rates, leading to a core lock where the high-pressure turbines could no longer rotate. The crew also delayed reporting the dual engine failure to Air Traffic Control for 14 minutes, by which time they had glided past several suitable emergency landing sites.
Final Conclusions
The NTSB determined the probable causes were the pilots' unprofessional behavior, deviation from standard operating procedures, and poor airmanship, which resulted in an unrecoverable in-flight emergency. Contributing factors included the pilots' failure to prepare for an emergency landing in a timely manner and improper management of the double engine failure checklist, which allowed the engine cores to stop rotating and resulted in core lock. The NTSB also cited inadequate training in high-altitude stalls and the failure of flight manuals to emphasize minimum airspeeds for engine rotation.
Video Analysis
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Airframe & Maintenance
Crew Experience
Captain
Jesse Rhodes, age 31
First Officer
Peter Cesarz, age 23
Systems & Failure Modes
Stick Pusher
An automated system designed to push the control column forward to lower the nose and reduce the angle of attack when a stall is imminent.
CF34-3B1 Turbofan Engines
The aircraft's powerplants, which suffered a dual flameout and subsequent core lock after the crew failed to maintain sufficient airspeed for a windmill restart.
Flight Data Recorder (FDR)
Recorded the crew's aggressive maneuvers, including zoom climbs and rudder swings, as well as the improper vertical speed mode used during the final climb.
Interesting Facts
- 01The flight was a non-revenue repositioning flight with no passengers on board.
- 02The crew attempted to reach 41,000 feet to join the '410 club,' an informal group of pilots who had flown the CRJ-200 to its service ceiling.
- 03The pilots switched seats during the climb, with the First Officer moving to the Captain's seat.
- 04Both engines suffered 'core lock,' a condition where internal components seize due to thermal contraction, making a restart impossible.
- 05The crew overrode the automatic stick pusher three times during the high-altitude stall.
Safety Actions & Advisories
Altitude Restrictions
Pinnacle Airlines restricted all CRJ-200 flights to a maximum altitude of 37,000 feet following the accident.
Training Enhancements
The airline incorporated high-altitude stall recovery and dual engine failure scenarios into simulator training.
Checklist Revisions
Revised dual engine failure checklists were issued to emphasize the 240-knot minimum airspeed for restart and the necessity of pitching down to reach 300 knots.
Safety Monitoring Programs
Pinnacle adopted a traditional Flight Operational Quality Assurance (FOQA) program and instituted an Aviation Safety Action Program (ASAP) into its operations.
Known Controversies & Unanswered Questions
The 410 Club Culture
Reference ↗The investigation highlighted a subculture at Pinnacle Airlines where pilots on non-revenue ferry flights would attempt to reach the aircraft's service ceiling of 41,000 feet for personal prestige, often involving unprofessional maneuvers.
Darwin Awards Recognition
Reference ↗The crew was posthumously awarded the 2004 Darwin Awards, a satirical honor for those who die through their own 'idiotic' actions, reflecting the public and industry backlash against the extreme lack of professionalism displayed.