B727 cargo aircraft had near midair collision with an F27 in skbo class east in IMC conditions.

Attributes
ACN	473849
Time
Date	200005
Day	Fri
Local Time Of Day	1201 To 1800
Place
State Reference	FO
Altitude	msl bound lower : 15500 msl bound upper : 16200
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B727 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Navigation In Use	other ndb
Flight Phase	descent : vacating altitude
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	F27 (Fokker BV)
Operating Under FAR Part	Part 121
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : atp pilot : flight engineer
Experience	flight time last 90 days : 75 flight time total : 10000 flight time type : 1000
ASRS Report	473849
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 90 flight time total : 5000 flight time type : 1000
ASRS Report	473850
Events
Anomaly	conflict : airborne critical inflight encounter : weather other anomaly other
Independent Detector	aircraft equipment : tcas other flight crewa other flight crewb
Resolutory Action	flight crew : took evasive action
Miss Distance	horizontal : 0 vertical : 400
Supplementary
Problem Areas	ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

Inbound to zip NDB we were cleared to maintain present heading and descent from 16000 ft to 15000 ft. At approximately 15500 ft received TA. We stopped descent then got RA, climbed through 16200 ft (approximately) before leveling off. We were IMC, never saw other aircraft. Suspect the aircraft was an F27 -- slow moving. Continued flight to bogota uneventfully. All communications with center, except ours, were in spanish.

Original NASA ASRS Text

Title: B727 CARGO ACFT HAD NMAC WITH AN F27 IN SKBO CLASS E IN IMC CONDITIONS.

Narrative: INBOUND TO ZIP NDB WE WERE CLRED TO MAINTAIN PRESENT HEADING AND DSCNT FROM 16000 FT TO 15000 FT. AT APPROX 15500 FT RECEIVED TA. WE STOPPED DSCNT THEN GOT RA, CLBED THROUGH 16200 FT (APPROX) BEFORE LEVELING OFF. WE WERE IMC, NEVER SAW OTHER ACFT. SUSPECT THE ACFT WAS AN F27 -- SLOW MOVING. CONTINUED FLT TO BOGOTA UNEVENTFULLY. ALL COMS WITH CTR, EXCEPT OURS, WERE IN SPANISH.

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.