<< >> NASA ASRS Report 598604, November 2003

A B737-300 flight crew is told by a jumpseating FAA inspector that they operated 10 KTS below flap maneuvering speed.

Attributes
ACN	598604
Time
Date	200311
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	navaid : clt.vortac
State Reference	NC
Altitude	msl single value : 7000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : clt.tracon
Operator	common carrier : air carrier
Make Model Name	B737-300
Operating Under FAR Part	Part 121
Flight Phase	descent : approach
Route In Use	approach : visual
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : atp
Experience	flight time last 90 days : 210 flight time total : 24000 flight time type : 13000
ASRS Report	598604
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	non adherence : company policies non adherence : published procedure non adherence : far other anomaly
Independent Detector	other other : faa inpector
Resolutory Action	none taken : detected after the fact
Consequence	faa : reviewed incident with flight crew
Supplementary
Problem Areas	Flight Crew Human Performance FAA
Primary Problem	Ambiguous

Narrative:

Operating from pit to clt. FAA asi observing flight from jumpseat. After the flight, he commented that during maneuvering for approach, we were told to fly at 180 KTS. We did with flaps 5 degrees extended. He said we were 10 KTS below the flaps 5 degrees maneuvering speed. I was certain that flaps 5 degrees maneuvering speed was 180 KTS (for this weight), but he said it was 190 KTS. The maneuvering speed data card is difficult to see from the center jumpseat, so possibly he could not see it clearly. If we are wrong and it is 190 KTS, then it was purely unintentional on our part. The flight operated safely from this point to a normal landing and taxi.

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Original NASA ASRS Text

Title: A B737-300 FLT CREW IS TOLD BY A JUMPSEATING FAA INSPECTOR THAT THEY OPERATED 10 KTS BELOW FLAP MANEUVERING SPD.

Narrative: OPERATING FROM PIT TO CLT. FAA ASI OBSERVING FLT FROM JUMPSEAT. AFTER THE FLT, HE COMMENTED THAT DURING MANEUVERING FOR APCH, WE WERE TOLD TO FLY AT 180 KTS. WE DID WITH FLAPS 5 DEGS EXTENDED. HE SAID WE WERE 10 KTS BELOW THE FLAPS 5 DEGS MANEUVERING SPD. I WAS CERTAIN THAT FLAPS 5 DEGS MANEUVERING SPD WAS 180 KTS (FOR THIS WT), BUT HE SAID IT WAS 190 KTS. THE MANEUVERING SPD DATA CARD IS DIFFICULT TO SEE FROM THE CTR JUMPSEAT, SO POSSIBLY HE COULD NOT SEE IT CLRLY. IF WE ARE WRONG AND IT IS 190 KTS, THEN IT WAS PURELY UNINTENTIONAL ON OUR PART. THE FLT OPERATED SAFELY FROM THIS POINT TO A NORMAL LNDG AND TAXI.

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.