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Commuter flight landing prc instructed to use runway 21L ignored controller's instructions, overshot the runway 21L final, and had an near midair collision with traffic operating on runway 21R.
| Attributes | |
| ACN | 595665 |
| Time | |
| Date | 200310 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| State Reference | AZ |
| Altitude | msl single value : 5800 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air taxi |
| Make Model Name | Beech 1900 |
| Operating Under FAR Part | Part 135 |
| Flight Phase | descent : approach |
| Route In Use | approach : visual |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tower : prc.tower |
| Operator | general aviation : instructional |
| Make Model Name | Skyhawk 172/Cutlass 172 |
| Flight Phase | descent : approach |
| Route In Use | approach : visual |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : local |
| Qualification | controller : radar |
| Experience | controller non radar : 13 controller radar : 5 |
| ASRS Report | 595665 |
| Person 2 | |
| Affiliation | company : air taxi |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | conflict : nmac non adherence : clearance other spatial deviation |
| Independent Detector | other controllera other flight crewa other flight crewb other other : 4 |
| Resolutory Action | controller : issued new clearance flight crew : took evasive action |
| Miss Distance | horizontal : 0 vertical : 500 |
| Supplementary | |
| Problem Areas | ATC Human Performance Flight Crew Human Performance |
| Primary Problem | Ambiguous |
Narrative:
Aircraft X, a commuter was on a visual approach. Aircraft Y, a C172 was doing touch and goes runway 21R. Aircraft X entered downwind runway 21L and was sequenced to follow a C172 landing runway 21L. Aircraft X reported traffic in sight and was cleared to land runway 21L. As aircraft X turned base he notified the tower he was too close behind his traffic and needed a right 270 degrees to follow. I informed aircraft X that 'a 270' was unable, 'a 270' traffic was using runway 21R, ctrlines are 600 ft apart. I told him to continue runway 21L and if there was insufficient room he could expect a go around. Aircraft X then overflew final runway 21L on what appeared to be a wide s-turn. Reinstructed aircraft X to not continue west and told him there was traffic. Aircraft Y was on right base for runway 21R when aircraft X continued across final for runway 21R. I issued a traffic alert, a go around and a climb to aircraft X. Aircraft Y talking to another controller was issued traffic and did an evasive turn to the right with a descent. 1) aircraft X is a regular flight -- ignoring runway 21R is dangerous. 2) pilot appears to have committed himself to the overflt of finals early -- bad idea. 3) instructor pilot had great awareness: aircraft Y.
Original NASA ASRS Text
Title: COMMUTER FLT LNDG PRC INSTRUCTED TO USE RWY 21L IGNORED CTLR'S INSTRUCTIONS, OVERSHOT THE RWY 21L FINAL, AND HAD AN NMAC WITH TFC OPERATING ON RWY 21R.
Narrative: ACFT X, A COMMUTER WAS ON A VISUAL APCH. ACFT Y, A C172 WAS DOING TOUCH AND GOES RWY 21R. ACFT X ENTERED DOWNWIND RWY 21L AND WAS SEQUENCED TO FOLLOW A C172 LNDG RWY 21L. ACFT X RPTED TFC IN SIGHT AND WAS CLRED TO LAND RWY 21L. AS ACFT X TURNED BASE HE NOTIFIED THE TWR HE WAS TOO CLOSE BEHIND HIS TFC AND NEEDED A R 270 DEGS TO FOLLOW. I INFORMED ACFT X THAT 'A 270' WAS UNABLE, 'A 270' TFC WAS USING RWY 21R, CTRLINES ARE 600 FT APART. I TOLD HIM TO CONTINUE RWY 21L AND IF THERE WAS INSUFFICIENT ROOM HE COULD EXPECT A GAR. ACFT X THEN OVERFLEW FINAL RWY 21L ON WHAT APPEARED TO BE A WIDE S-TURN. REINSTRUCTED ACFT X TO NOT CONTINUE W AND TOLD HIM THERE WAS TFC. ACFT Y WAS ON R BASE FOR RWY 21R WHEN ACFT X CONTINUED ACROSS FINAL FOR RWY 21R. I ISSUED A TFC ALERT, A GAR AND A CLB TO ACFT X. ACFT Y TALKING TO ANOTHER CTLR WAS ISSUED TFC AND DID AN EVASIVE TURN TO THE R WITH A DSCNT. 1) ACFT X IS A REGULAR FLT -- IGNORING RWY 21R IS DANGEROUS. 2) PLT APPEARS TO HAVE COMMITTED HIMSELF TO THE OVERFLT OF FINALS EARLY -- BAD IDEA. 3) INSTRUCTOR PLT HAD GREAT AWARENESS: ACFT Y.
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.