Regional Jet 200 ER/LR (CRJ200)
Flight Crew Air Transport Pilot (ATP)
Situational Awareness
Aircraft Equipment Problem Less Severe; Deviation - Speed All Types; Deviation / Discrepancy - Procedural Published Material / Policy
Flight Crew Became Reoriented; Flight Crew Overcame Equipment Problem; General Maintenance Action
Aircraft; Human Factors
We were [climbing] out through 4;000 feet when I noticed that the aircraft [began to] vibrate. At first I did not think anything of it; but then [it] got worse. I checked our engine parameters and everything was normal. The vibration gauge was fine. A few seconds later three caution messages appeared. Bleed misconfig; parking brake; and one other one I don't remember. Passing through 5;000 feet I noticed we were going 250 knots and that the gear handle was up; but the gear indications were still green and in the down position. The vibration was from exceeding the aircraft limitations of the gear down speed. We slowed; leveled off at 7;000 feet and did our checklists. After that the gear came up fine and continued to [destination]. The messages went out after the gear was brought up. The Captain wrote it up. Never seeing such a fail before; so I thought we were stalling or the engines might fail. Check speed with flaps or gear indications.
CRJ-200 First Officer reported noting increasing vibration in flight that was related to the landing gear still being extended even with the gear handle in the up position.