|37000 Feet||Browse and search NASA's
Aviation Safety Reporting System
|Local Time Of Day||0601 To 1200|
|Locale Reference||airport : ama|
|Altitude||agl bound lower : 0|
agl bound upper : 0
|Controlling Facilities||tower : sjc|
|Operator||general aviation : personal|
|Make Model Name||Small Aircraft, Low Wing, 2 Eng, Retractable Gear|
|Flight Phase||climbout : takeoff|
ground : preflight
|Function||flight crew : captain|
oversight : pic
|Qualification||pilot : instrument|
pilot : private
|Experience||flight time last 90 days : 8|
flight time total : 1717
flight time type : 433
|Function||flight crew : first officer|
|Anomaly||aircraft equipment problem : critical|
other anomaly other
other anomaly other
|Independent Detector||other flight crewa|
|Air Traffic Incident||Pilot Deviation|
Hot-started airplane due to low battery. After start of both engines, activated alternator switches and alternators came on line. Following landing gear retraction on takeoff, radios went dead. Could feel drag due to partially retracted landing gear. After placing gear lever in down position, radios came on enough for me to hear tower but tower could not hear me. Tower advised gear partially down. Did not crank gear down manually because gear position indicator lights were out leaving no visible means of knowing if gear down and locked. If gear collapsed on concrete runway full gas tanks might explode. Also, runway would be OTS. Therefore, decided to land on grass alongside runway. Following full flaps landing on grass, only visible damage was bent propellers. Airplane gear collapsed and plane skidded about 30 ft and came to rest. Suggest visual backup system to gear indicator lights to show when landing gear down and locked.
Original NASA ASRS Text
Title: OFF RWY LNDG MADE IN ANTICIPATION OF PROBABLE GEAR COLLAPSE. EVENT SUBSEQUENT TO PRIMARY ELECTRICAL SUPPLY PROBLEM.
Narrative: HOT-STARTED AIRPLANE DUE TO LOW BATTERY. AFTER START OF BOTH ENGS, ACTIVATED ALTERNATOR SWITCHES AND ALTERNATORS CAME ON LINE. FOLLOWING LNDG GEAR RETRACTION ON TKOF, RADIOS WENT DEAD. COULD FEEL DRAG DUE TO PARTIALLY RETRACTED LNDG GEAR. AFTER PLACING GEAR LEVER IN DOWN POS, RADIOS CAME ON ENOUGH FOR ME TO HEAR TWR BUT TWR COULD NOT HEAR ME. TWR ADVISED GEAR PARTIALLY DOWN. DID NOT CRANK GEAR DOWN MANUALLY BECAUSE GEAR POS INDICATOR LIGHTS WERE OUT LEAVING NO VISIBLE MEANS OF KNOWING IF GEAR DOWN AND LOCKED. IF GEAR COLLAPSED ON CONCRETE RWY FULL GAS TANKS MIGHT EXPLODE. ALSO, RWY WOULD BE OTS. THEREFORE, DECIDED TO LAND ON GRASS ALONGSIDE RWY. FOLLOWING FULL FLAPS LNDG ON GRASS, ONLY VISIBLE DAMAGE WAS BENT PROPS. AIRPLANE GEAR COLLAPSED AND PLANE SKIDDED ABOUT 30 FT AND CAME TO REST. SUGGEST VISUAL BACKUP SYS TO GEAR INDICATOR LIGHTS TO SHOW WHEN LNDG GEAR DOWN AND LOCKED.
Data retrieved from NASA's ASRS site as of July 2007 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.