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Sa-227AC captain reported a runway excursion followed loss of directional control on takeoff. Reporter stated brake issues may have played a part.
| Attributes | |
| ACN | 1384920 |
| Time | |
| Date | 201609 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | SA-227 AC Metro III |
| Operating Under FAR Part | Part 135 |
| Flight Phase | Takeoff |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Normal Brake System |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Ground Event / Encounter Loss Of Aircraft Control Ground Excursion Runway |
Narrative:
Started takeoff roll; aircraft started to pull left; applied rh brake. Plane came back to center; applied more power; plane started a little right. Added some lh brake; then aircraft took off hard left. Applied full brakes and reverse but could not stop plane on runway. At the time I applied full brakes the plane was going about 30 knots. Both engines were off the start locks. Weather was VFR; slight cross wind from the left. I left skid marks on runway from center line to point leaving runway. Lh brake left larger skid marks than rh brake. Number 3 brake left little or no skid marks on runway.better brakes might help stop the plane as the pictures shows uneven braking. At times the brakes get glazed over and do not do as well as expected. [On an earlier departure] that morning the plane did pull right; then left; but never got more than a few feet off the centerline. Very easy to manage the takeoff roll.
Original NASA ASRS Text
Title: SA-227AC Captain reported a runway excursion followed loss of directional control on takeoff. Reporter stated brake issues may have played a part.
Narrative: Started takeoff roll; aircraft started to pull left; applied RH brake. Plane came back to center; applied more power; plane started a little right. Added some LH brake; then aircraft took off hard left. Applied full brakes and reverse but could not stop plane on runway. At the time I applied full brakes the plane was going about 30 Knots. Both engines were off the start locks. Weather was VFR; slight cross wind from the left. I left skid marks on runway from center line to point leaving runway. LH brake left larger skid marks than RH brake. Number 3 brake left little or no skid marks on runway.Better brakes might help stop the plane as the pictures shows uneven braking. At times the brakes get glazed over and do not do as well as expected. [On an earlier departure] that morning the plane did pull right; then left; but never got more than a few feet off the centerline. Very easy to manage the takeoff roll.
Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.