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A formation of 2 light aircraft is issued position and hold clearance, but the lead aircraft, tuned to ground frequency, begins takeoff without clearance, leading to a conflict with a departing commuter aircraft.
| Attributes | |
| ACN | 114828 |
| Time | |
| Date | 198906 |
| Day | Sat |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : hgr |
| State Reference | MD |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft |
| Flight Phase | climbout : takeoff ground : holding ground other : taxi |
| Flight Plan | VFR |
| Aircraft 2 | |
| Make Model Name | Small Aircraft |
| Flight Phase | climbout : takeoff ground : holding ground other : taxi |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : private |
| Experience | flight time last 90 days : 30 flight time total : 1079 flight time type : 900 |
| ASRS Report | 114828 |
| Person 2 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : private |
| Events | |
| Anomaly | conflict : ground less severe incursion : runway non adherence : clearance non adherence : required legal separation other anomaly other |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | flight crew : took evasive action other other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Flight of 2 aircraft. One with very poor radio. At departure, we were cleared in position and hold. The aircraft with poor radios (small aircraft Y) had told me he was able to hear everything ok. He wanted to depart. So I motioned to him to take the runway and hold. He departed instead of holding. We were on runway 2 and an small transport Z was on runway 9 departing. The small transport Z had to abort. I was in small aircraft X and held in place until later when I was cleared for departure. I later discovered out that he was still on ground frequency and had not heard the clearance to hold.
Original NASA ASRS Text
Title: A FORMATION OF 2 LIGHT ACFT IS ISSUED POSITION AND HOLD CLRNC, BUT THE LEAD ACFT, TUNED TO GND FREQ, BEGINS TKOF WITHOUT CLRNC, LEADING TO A CONFLICT WITH A DEPARTING COMMUTER ACFT.
Narrative: FLT OF 2 ACFT. ONE WITH VERY POOR RADIO. AT DEP, WE WERE CLRED IN POSITION AND HOLD. THE ACFT WITH POOR RADIOS (SMA Y) HAD TOLD ME HE WAS ABLE TO HEAR EVERYTHING OK. HE WANTED TO DEPART. SO I MOTIONED TO HIM TO TAKE THE RWY AND HOLD. HE DEPARTED INSTEAD OF HOLDING. WE WERE ON RWY 2 AND AN SMT Z WAS ON RWY 9 DEPARTING. THE SMT Z HAD TO ABORT. I WAS IN SMA X AND HELD IN PLACE UNTIL LATER WHEN I WAS CLRED FOR DEP. I LATER DISCOVERED OUT THAT HE WAS STILL ON GND FREQ AND HAD NOT HEARD THE CLRNC TO HOLD.
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.