<< >> NASA ASRS Report 732493, March 2007

BE200 pilot reports inner windshield shattering climbing out of fl 250 with no loss of pressurization. Cleared to FL240 pilot descends to FL230 while putting on oxygen mask and dealing with the situation.

Attributes
ACN	732493
Time
Date	200703
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	msl single value : 25000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zzz.artcc tower : mke.tower
Operator	general aviation : corporate
Make Model Name	Super King Air 200 HDC
Operating Under FAR Part	Part 91
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	company : corporate
Function	flight crew : single pilot
Qualification	pilot : multi engine pilot : instrument pilot : commercial
Experience	flight time last 90 days : 35 flight time total : 7000 flight time type : 225
ASRS Report	732593
Person 2
Affiliation	government : faa
Function	controller : radar
Events
Anomaly	aircraft equipment problem : less severe altitude deviation : excursion from assigned altitude non adherence : clearance
Independent Detector	other flight crewa
Resolutory Action	controller : issued new clearance flight crew : declared emergency
Consequence	other
Supplementary
Problem Areas	Aircraft Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

Climbing out of FL250 in a beechcraft B200 king air; the pilot's side inner windshield shattered. This was a single pilot operation with no passenger on board. A lower altitude was requested. ATC; advised of the problem; gave clearance to FL240. While descending to the assigned altitude; oxygen mask was being donned and assessment of windshield damage was being done; either autoplt was inadvertently disconnected or altitude preselect button was not pushed. Aircraft descended below assigned altitude; due to distraction with situation; at 1000 ft to FL230. A climb back to assigned altitude was initiated. An emergency was declared and then ATC assigned lower altitude. Missed altitude assignment was result of distraction and non verification of altitude preselect being engaged and/or verifying of autoplt engagement also not noticing altitude descending below assigned altitude.

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Original NASA ASRS Text

Title: BE200 PILOT REPORTS INNER WINDSHIELD SHATTERING CLIMBING OUT OF FL 250 WITH NO LOSS OF PRESSURIZATION. CLEARED TO FL240 PILOT DESCENDS TO FL230 WHILE PUTTING ON OXYGEN MASK AND DEALING WITH THE SITUATION.

Narrative: CLBING OUT OF FL250 IN A BEECHCRAFT B200 KING AIR; THE PLT'S SIDE INNER WINDSHIELD SHATTERED. THIS WAS A SINGLE PLT OP WITH NO PAX ON BOARD. A LOWER ALT WAS REQUESTED. ATC; ADVISED OF THE PROB; GAVE CLRNC TO FL240. WHILE DSNDING TO THE ASSIGNED ALT; OXYGEN MASK WAS BEING DONNED AND ASSESSMENT OF WINDSHIELD DAMAGE WAS BEING DONE; EITHER AUTOPLT WAS INADVERTENTLY DISCONNECTED OR ALT PRESELECT BUTTON WAS NOT PUSHED. ACFT DSNDED BELOW ASSIGNED ALT; DUE TO DISTR WITH SIT; AT 1000 FT TO FL230. A CLB BACK TO ASSIGNED ALT WAS INITIATED. AN EMER WAS DECLARED AND THEN ATC ASSIGNED LOWER ALT. MISSED ALT ASSIGNMENT WAS RESULT OF DISTR AND NON VERIFICATION OF ALT PRESELECT BEING ENGAGED AND/OR VERIFYING OF AUTOPLT ENGAGEMENT ALSO NOT NOTICING ALT DSNDING BELOW ASSIGNED ALT.

Data retrieved from NASA's ASRS site as of January 2009 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.