DC6 flight crew takeoff with cabin door open.

Attributes
ACN	715059
Time
Date	200610
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : zzzz.airport
State Reference	FO
Altitude	agl single value : 400
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	McDonnell Douglas Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	climbout : initial
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : atp pilot : flight engineer
Experience	flight time last 90 days : 229 flight time total : 7340 flight time type : 4950
ASRS Report	715059
Events
Anomaly	aircraft equipment problem : less severe non adherence : published procedure
Independent Detector	other flight crewa
Resolutory Action	none taken : detected after the fact
Supplementary
Problem Areas	Aircraft Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

While departing felt impact. Realized that we had departed with aft crew door latched open. Door slammed shut at 400 ft AGL. We had been sitting on ground with 1 engine running. Monitoring ASOS for basic VFR conditions (terms of our maintenance ferry permit). When WX went VFR we started engines and departed. Non standard procedure had interrupted our normal checklist flow. Door was not verified closed before departure.

Original NASA ASRS Text

Title: DC6 FLT CREW TKOF WITH CABIN DOOR OPEN.

Narrative: WHILE DEPARTING FELT IMPACT. REALIZED THAT WE HAD DEPARTED WITH AFT CREW DOOR LATCHED OPEN. DOOR SLAMMED SHUT AT 400 FT AGL. WE HAD BEEN SITTING ON GND WITH 1 ENG RUNNING. MONITORING ASOS FOR BASIC VFR CONDITIONS (TERMS OF OUR MAINT FERRY PERMIT). WHEN WX WENT VFR WE STARTED ENGS AND DEPARTED. NON STANDARD PROC HAD INTERRUPTED OUR NORMAL CHKLIST FLOW. DOOR WAS NOT VERIFIED CLOSED BEFORE DEP.

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.