<< >> NASA ASRS Report 277386, July 1994

Aircraft is on GS and localizer cleared for the approach when an aircraft 1000 ft below sets off the TCASII. Aircraft with TCASII alarm executes a climb to 3500 ft and reports to TRACON his new altitude.

Attributes
ACN	277386
Time
Date	199407
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : mia
State Reference	FL
Altitude	msl bound lower : 2000 msl bound upper : 3500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : mia
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 135
Flight Phase	descent : approach
Route In Use	approach : straight in
Flight Plan	IFR
Aircraft 2
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	other : unknown
Flight Phase	descent : approach
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : approach
Qualification	controller : non radar
ASRS Report	277386
Person 2
Affiliation	Other
Function	flight crew : captain oversight : pic
Qualification	pilot : commercial
Events
Anomaly	altitude deviation : excursion from assigned altitude non adherence : clearance other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : took evasive action
Consequence	Other
Miss Distance	vertical : 1000
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

AB1 established a cleared ILS 9R, C402 at 1000 ft below AB1. Sets his TCASII off and AB1 climbs to 3500 ft and then calls to tell.

Related reports:

• Small aircraft X, on localizer backcourse approach to runway...
• C402C aircraft was cleared for the localizer back course app...
• Small aircraft pilot on INS approach using a STAR. Cleared f...
• SF340B aircraft on approach. Flight crew cleared for ILS run...
• MD80S aircraft cleared for visual to runway 17C received TCA...

	Enter your search terms Submit search form
	Web www.37000feet.com

Original NASA ASRS Text

Title: ACFT IS ON GS AND LOC CLRED FOR THE APCH WHEN AN ACFT 1000 FT BELOW SETS OFF THE TCASII. ACFT WITH TCASII ALARM EXECUTES A CLB TO 3500 FT AND RPTS TO TRACON HIS NEW ALT.

Narrative: AB1 ESTABLISHED A CLRED ILS 9R, C402 AT 1000 FT BELOW AB1. SETS HIS TCASII OFF AND AB1 CLBS TO 3500 FT AND THEN CALLS TO TELL.

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.