An EMB120 PIC performs a destabilized approach with an aci on the jump seat at dfw, tx.

Attributes
ACN	472270
Time
Date	200005
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : dfw.airport
State Reference	TX
Altitude	agl single value : 3400
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : d10.tracon tower : dfw.tower
Operator	common carrier : air carrier
Make Model Name	Brasilia EMB-120 All Series
Operating Under FAR Part	Part 119
Navigation In Use	ils localizer & glide slope : 17l
Flight Phase	descent : vacating altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 200 flight time total : 4200 flight time type : 2800
ASRS Report	472270
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : instrument pilot : commercial
Events
Anomaly	non adherence : company policies non adherence : far other anomaly other anomaly other anomaly other
Independent Detector	aircraft equipment : gpws other flight crewa other other : obs 3
Resolutory Action	none taken : anomaly accepted
Consequence	faa : reviewed incident with flight crew
Supplementary
Problem Areas	Flight Crew Human Performance ATC Human Performance Airspace Structure
Primary Problem	Flight Crew Human Performance

Narrative:

ATC turned us on a 4.5 mi left base on runway 17L and gave us a descent from 4000 ft to 2000 ft. We called the runway in sight. (This runway assignment was the third runway change.) descending down, we slowed down as fast as we could. I maintained altitude to slow down and dirtied up the aircraft. With our final flap selected, we were within 1.5 mi. The runway is 9000+ ft long. I had visual with the runway, all through this approach and landing. As we closed in, the GPWS called out sink rate. I adjusted the sink rate (callout 'reducing vertical speed'). We were still above GS and we landed safely. There was an FAA jump seater on board as well. At no point was the aircraft in danger. I accepted the approach because it was well within the capability of the aircraft to slow down and land safety.

Original NASA ASRS Text

Title: AN EMB120 PIC PERFORMS A DESTABILIZED APCH WITH AN ACI ON THE JUMP SEAT AT DFW, TX.

Narrative: ATC TURNED US ON A 4.5 MI L BASE ON RWY 17L AND GAVE US A DSCNT FROM 4000 FT TO 2000 FT. WE CALLED THE RWY IN SIGHT. (THIS RWY ASSIGNMENT WAS THE THIRD RWY CHANGE.) DSNDING DOWN, WE SLOWED DOWN AS FAST AS WE COULD. I MAINTAINED ALT TO SLOW DOWN AND DIRTIED UP THE ACFT. WITH OUR FINAL FLAP SELECTED, WE WERE WITHIN 1.5 MI. THE RWY IS 9000+ FT LONG. I HAD VISUAL WITH THE RWY, ALL THROUGH THIS APCH AND LNDG. AS WE CLOSED IN, THE GPWS CALLED OUT SINK RATE. I ADJUSTED THE SINK RATE (CALLOUT 'REDUCING VERT SPD'). WE WERE STILL ABOVE GS AND WE LANDED SAFELY. THERE WAS AN FAA JUMP SEATER ON BOARD AS WELL. AT NO POINT WAS THE ACFT IN DANGER. I ACCEPTED THE APCH BECAUSE IT WAS WELL WITHIN THE CAPABILITY OF THE ACFT TO SLOW DOWN AND LAND SAFETY.

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.