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On a short flight in icing conditions, at low altitude, a B727 crew exceeded the speed assigned by ATC while trying to maintain engine RPM high enough to provide anti ice protection.
| Attributes | |
| ACN | 506110 |
| Time | |
| Date | 200103 |
| Day | Wed |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | navaid : jfk.ils |
| State Reference | NY |
| Altitude | msl single value : 11000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B727 Undifferentiated or Other Model |
| Flight Phase | descent : approach |
| Route In Use | arrival : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 5700 flight time type : 1500 |
| ASRS Report | 506110 |
| Events | |
| Anomaly | inflight encounter : turbulence inflight encounter other non adherence : clearance other anomaly |
| Resolutory Action | none taken : anomaly accepted |
| Supplementary | |
| Problem Areas | Weather Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
There was a north eastern bringing rain, wind, and turbulence to the ny area. We were operation from dca to jfk. Center gave us a speed restr of 210 KTS for camrn at 11000 ft. As we descended to 3000 ft after camrn for the approach to jfk's runway 4L, I let the airspeed creep up to 240 KTS IAS. Approach asked our airspeed. The acceleration was inadvertent. I was concerned about keeping the engine north indications above 55 percent, for the engine anti-ice. Was on. While doing this, our descent speed crept up. I should have concentrated on the airspeed. Other factors were the rain and turbulence which made hand flying quite difficult.
Original NASA ASRS Text
Title: ON A SHORT FLT IN ICING CONDITIONS, AT LOW ALT, A B727 CREW EXCEEDED THE SPEED ASSIGNED BY ATC WHILE TRYING TO MAINTAIN ENGINE RPM HIGH ENOUGH TO PROVIDE ANTI ICE PROTECTION.
Narrative: THERE WAS A N EASTERN BRINGING RAIN, WIND, AND TURB TO THE NY AREA. WE WERE OP FROM DCA TO JFK. CTR GAVE US A SPEED RESTR OF 210 KTS FOR CAMRN AT 11000 FT. AS WE DESCENDED TO 3000 FT AFTER CAMRN FOR THE APCH TO JFK'S RWY 4L, I LET THE AIRSPEED CREEP UP TO 240 KTS IAS. APCH ASKED OUR AIRSPEED. THE ACCELERATION WAS INADVERTENT. I WAS CONCERNED ABOUT KEEPING THE ENG N INDICATIONS ABOVE 55 PERCENT, FOR THE ENG ANTI-ICE. WAS ON. WHILE DOING THIS, OUR DESCENT SPEED CREPT UP. I SHOULD HAVE CONCENTRATED ON THE AIRSPEED. OTHER FACTORS WERE THE RAIN AND TURB WHICH MADE HAND FLYING QUITE DIFFICULT.
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.