<< >> NASA ASRS Report 88551, June 1988

Small aircraft given takeoff clearance while another small aircraft was touching down on the same runway.

Attributes
ACN	88551
Time
Date	198806
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : tul
State Reference	OK
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	Small Aircraft, High Wing, 1 Eng, Fixed Gear
Flight Phase	ground : holding
Flight Plan	None
Aircraft 2
Make Model Name	Small Aircraft, High Wing, 1 Eng, Fixed Gear
Flight Phase	landing other
Flight Plan	None
Person 1
Affiliation	government : faa
Function	controller : local
Qualification	controller : radar
Experience	controller non radar : 2 controller radar : 4
ASRS Report	88551
Person 2
Function	flight crew : single pilot
Events
Anomaly	other anomaly other
Independent Detector	other controllera
Resolutory Action	other
Consequence	Other
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	other

Narrative:

Small aircraft X issued taxi instructions to runway 17R. Intersection departure and contacted tower. Small aircraft Y short final landing runway 17R. Small aircraft X issued departure clearance as small aircraft Y was rolling out on runway north of intersection. Small aircraft Y was observed still on runway and takeoff clearance was cancelled from small aircraft X. Callback conversation with reporter revealed the following: this incident turned out to be no incident. The controller cleared one small aircraft for takeoff from an intersection some way down the runway and then spotted the other small aircraft touching down on the same runway ahead of the intersection. He immediately cancelled the takeoff clearance. As it turned out, the takeoff small aircraft had not heard the takeoff clearance, so would have endangered the landing aircraft. Reporter advised that he felt very bad and very sheepish about what he did and thought a report to ASRS would help him get over it.

Related reports:

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Original NASA ASRS Text

Title: SMA GIVEN TKOF CLRNC WHILE ANOTHER SMA WAS TOUCHING DOWN ON THE SAME RWY.

Narrative: SMA X ISSUED TAXI INSTRUCTIONS TO RWY 17R. INTXN DEP AND CONTACTED TWR. SMA Y SHORT FINAL LNDG RWY 17R. SMA X ISSUED DEP CLRNC AS SMA Y WAS ROLLING OUT ON RWY N OF INTXN. SMA Y WAS OBSERVED STILL ON RWY AND TKOF CLRNC WAS CANCELLED FROM SMA X. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING: THIS INCIDENT TURNED OUT TO BE NO INCIDENT. THE CTLR CLRED ONE SMA FOR TKOF FROM AN INTXN SOME WAY DOWN THE RWY AND THEN SPOTTED THE OTHER SMA TOUCHING DOWN ON THE SAME RWY AHEAD OF THE INTXN. HE IMMEDIATELY CANCELLED THE TKOF CLRNC. AS IT TURNED OUT, THE TKOF SMA HAD NOT HEARD THE TKOF CLRNC, SO WOULD HAVE ENDANGERED THE LNDG ACFT. RPTR ADVISED THAT HE FELT VERY BAD AND VERY SHEEPISH ABOUT WHAT HE DID AND THOUGHT A RPT TO ASRS WOULD HELP HIM GET OVER IT.

Data retrieved from NASA's ASRS site as of August 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.