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Small aircraft Y landed on occupied runway had less than standard separation with small aircraft X on takeoff roll. Pilot deviation. System error.
| Attributes | |
| ACN | 247091 |
| Time | |
| Date | 199307 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : mlb |
| State Reference | FL |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | general aviation : instructional |
| Make Model Name | Small Aircraft, Low Wing, 1 Eng, Fixed Gear |
| Flight Phase | climbout : takeoff |
| Flight Plan | VFR |
| Aircraft 2 | |
| Operator | general aviation : instructional |
| Make Model Name | Small Aircraft, Low Wing, 1 Eng, Fixed Gear |
| Flight Phase | landing other |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : local |
| Qualification | controller : non radar |
| Experience | controller supervisory : 8 |
| ASRS Report | 247091 |
| Person 2 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : student |
| Events | |
| Anomaly | conflict : ground less severe non adherence : published procedure non adherence : required legal separation |
| Independent Detector | other controllera |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | Other |
| Miss Distance | horizontal : 2000 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error Pilot Deviation |
Narrative:
Small aircraft X cleared for immediate takeoff runway 4. Turned to look at another aircraft and issued clearance. Small aircraft Y cleared for option on runway 4. When I looked back at small aircraft Y, a loss of separation had occurred. In my judgement a go around would have put small aircraft Y closer to small aircraft X. Callback conversation with reporter revealed the following information: reporter experience 4 yrs military, 8 yrs non radar. Types of aircraft, single engine smas. Reporter stated both aircraft on runway with 2000 ft separation. Operational error was not filed.
Original NASA ASRS Text
Title: SMA Y LANDED ON OCCUPIED RWY HAD LTSS WITH SMA X ON TKOF ROLL. PLTDEV. SYS ERROR.
Narrative: SMA X CLRED FOR IMMEDIATE TKOF RWY 4. TURNED TO LOOK AT ANOTHER ACFT AND ISSUED CLRNC. SMA Y CLRED FOR OPTION ON RWY 4. WHEN I LOOKED BACK AT SMA Y, A LOSS OF SEPARATION HAD OCCURRED. IN MY JUDGEMENT A GAR WOULD HAVE PUT SMA Y CLOSER TO SMA X. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR EXPERIENCE 4 YRS MIL, 8 YRS NON RADAR. TYPES OF ACFT, SINGLE ENG SMAS. RPTR STATED BOTH ACFT ON RWY WITH 2000 FT SEPARATION. OPERATIONAL ERROR WAS NOT FILED.
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.