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Flight crew of a B737-400 reduced airspeed during climb due to an operating restr on the landing gear, causing ATC to vector trailing aircraft around the reporter due to his unexpected slow climb speed. The crew had not advised ATC of the restr so ATC planned traffic separation with the normal speed expected of a B737.
| Attributes | |
| ACN | 423511 |
| Time | |
| Date | 199812 |
| Day | Thu |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : sea |
| State Reference | WA |
| Altitude | msl bound lower : 1000 msl bound upper : 12000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-400 |
| Navigation In Use | Other |
| Route In Use | departure other enroute airway : sea |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : instrument pilot : cfi pilot : commercial |
| Experience | flight time last 90 days : 200 flight time total : 27500 flight time type : 5000 |
| ASRS Report | 423511 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial |
| Events | |
| Anomaly | other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | other |
| Consequence | faa : reviewed incident with flight crew |
| Supplementary | |
| Air Traffic Incident | other |
Narrative:
On climb out of sea our wheelwell fire warning inoperative. MEL required leaving the gear down 10 mins after departure. So we elected to climb at clean speed of 220 KTS. Departure asked our speed and why were we going so slow? Aircraft behind us was vectored off course as were we. We explained to departure control and were asked to call ZSE phone number when on the ground. We should have told ATC of our intentions to climb slow, but were intent on passenger comfort, icing, rain, etc.
Original NASA ASRS Text
Title: FLC OF A B737-400 REDUCED AIRSPD DURING CLB DUE TO AN OPERATING RESTR ON THE LNDG GEAR, CAUSING ATC TO VECTOR TRAILING ACFT AROUND THE RPTR DUE TO HIS UNEXPECTED SLOW CLB SPD. THE CREW HAD NOT ADVISED ATC OF THE RESTR SO ATC PLANNED TFC SEPARATION WITH THE NORMAL SPD EXPECTED OF A B737.
Narrative: ON CLBOUT OF SEA OUR WHEELWELL FIRE WARNING INOP. MEL REQUIRED LEAVING THE GEAR DOWN 10 MINS AFTER DEP. SO WE ELECTED TO CLB AT CLEAN SPD OF 220 KTS. DEP ASKED OUR SPD AND WHY WERE WE GOING SO SLOW? ACFT BEHIND US WAS VECTORED OFF COURSE AS WERE WE. WE EXPLAINED TO DEP CTL AND WERE ASKED TO CALL ZSE PHONE NUMBER WHEN ON THE GND. WE SHOULD HAVE TOLD ATC OF OUR INTENTIONS TO CLB SLOW, BUT WERE INTENT ON PAX COMFORT, ICING, RAIN, ETC.
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.