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Receivers transmitters on large transport type aircraft allegedly, momentarily, failed, then came back on to operate normally.
| Attributes | |
| ACN | 140661 |
| Time | |
| Date | 199003 |
| Day | Tue |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : iah |
| State Reference | TX |
| Altitude | msl bound lower : 5000 msl bound upper : 5000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : iah tower : mli |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 3 Turbojet Eng |
| Flight Phase | climbout : intermediate altitude cruise other |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp pilot : cfi pilot : instrument pilot : flight engineer pilot : commercial |
| Experience | flight time last 90 days : 215 flight time total : 9100 flight time type : 1800 |
| ASRS Report | 140661 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : instrument pilot : atp pilot : commercial |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : overcame equipment problem |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
After takeoff from iah runway 9 lost both communication receiver transmitters. Briefly able to talk iah departure controller 121.5. Were given a heading of 180 degree 5000' altitude. Unable to navigate on own due to vuh being off the air. Transponder code XXXX for 1 minute. Turning east we were in VFR conditions. Both receivers started to work normally.
Original NASA ASRS Text
Title: RECEIVERS TRANSMITTERS ON LGT TYPE ACFT ALLEGEDLY, MOMENTARILY, FAILED, THEN CAME BACK ON TO OPERATE NORMALLY.
Narrative: AFTER TKOF FROM IAH RWY 9 LOST BOTH COM RECEIVER TRANSMITTERS. BRIEFLY ABLE TO TALK IAH DEP CTLR 121.5. WERE GIVEN A HDG OF 180 DEG 5000' ALT. UNABLE TO NAVIGATE ON OWN DUE TO VUH BEING OFF THE AIR. XPONDER CODE XXXX FOR 1 MINUTE. TURNING E WE WERE IN VFR CONDITIONS. BOTH RECEIVERS STARTED TO WORK NORMALLY.
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.