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B737-300 flight crew utilizes 'winglet equipped' takeoff data from the onboard performance computer for an aircraft not so equipped.
| Attributes | |
| ACN | 723592 |
| Time | |
| Date | 200701 |
| Place | |
| Locale Reference | airport : bwi.airport |
| State Reference | MD |
| Altitude | msl single value : 24000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zdc.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Experience | flight time last 90 days : 289 flight time type : 800 |
| ASRS Report | 723592 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : company policies non adherence : far non adherence : published procedure |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Supplementary | |
| Problem Areas | Aircraft Company Flight Crew Human Performance |
| Primary Problem | Ambiguous |
Narrative:
We accepted the aircraft in hou with the opc already on and up to date. Referencing the new rbf regarding wingletted 300's; we missed the fact that the am crew had selected the database as if the aircraft was wingletted; which it wasn't. Prior to descent; we noticed our error and made the correction to use the database for a non-wingletted (north) aircraft. Follow the rbf and verify the correct prefix is selected for the type of plane we are flying. We had the west prefix selected on the opc; rather than the north.
Original NASA ASRS Text
Title: B737-300 FLT CREW UTILIZES 'WINGLET EQUIPPED' TKOF DATA FROM THE ONBOARD PERFORMANCE COMPUTER FOR AN ACFT NOT SO EQUIPPED.
Narrative: WE ACCEPTED THE ACFT IN HOU WITH THE OPC ALREADY ON AND UP TO DATE. REFING THE NEW RBF REGARDING WINGLETTED 300'S; WE MISSED THE FACT THAT THE AM CREW HAD SELECTED THE DATABASE AS IF THE ACFT WAS WINGLETTED; WHICH IT WASN'T. PRIOR TO DSCNT; WE NOTICED OUR ERROR AND MADE THE CORRECTION TO USE THE DATABASE FOR A NON-WINGLETTED (N) ACFT. FOLLOW THE RBF AND VERIFY THE CORRECT PREFIX IS SELECTED FOR THE TYPE OF PLANE WE ARE FLYING. WE HAD THE W PREFIX SELECTED ON THE OPC; RATHER THAN THE N.
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.