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Military flight departed warning area into positive control area. TACAN being used for position. TACAN DME operation intermittent. Flight was monitored by military facility. No conflict.
| Attributes | |
| ACN | 107541 |
| Time | |
| Date | 198903 |
| Day | Wed |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : nkv |
| State Reference | CA |
| Altitude | msl bound lower : 18000 msl bound upper : 18000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dusk |
| Aircraft 1 | |
| Controlling Facilities | artcc : zla military facility : nuc |
| Operator | other |
| Make Model Name | Fighter |
| Navigation In Use | Other |
| Flight Phase | cruise other cruise other |
| Route In Use | enroute other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : military |
| Function | flight crew : single pilot |
| Qualification | pilot : instrument pilot : flight engineer pilot : commercial pilot : atp pilot : military |
| Experience | flight time last 90 days : 60 flight time total : 2300 flight time type : 1300 |
| ASRS Report | 107541 |
| Person 2 | |
| Affiliation | government : military |
| Function | other personnel other |
| Qualification | controller : military |
| Events | |
| Anomaly | airspace violation : exit non adherence : clearance other anomaly other |
| Independent Detector | other flight crewa other other : unspecified |
| Resolutory Action | flight crew : exited penetrated airspace flight crew : returned to intended course or assigned course other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Section of 2 fgt's were maneuvering in west 291 on a routine night instrument/fam training mission. Beaver control was providing sep on a discrete UHF frequency. Flight was maneuvering in the vicinity of the nkx 250/35 using TACAN for navigation. TACAN DME was intermittent during maneuvering flight. During the maneuvering portion of the hop, the aircraft apparently drifted out of the eastern portion of west 291 into the positive control area. Flight had ceased maneuvering and was proceeding west when beaver called and said that the section was operating in ZLA's airspace. The section was monitoring guard throughout the flight, however the first call from beaver came when the flight was already proceeding back into the area. The rest of the flight was conducted west/O incident. The furthest the flight drifted according to the lead's DME was 32 mi.
Original NASA ASRS Text
Title: MIL FLT DEPARTED WARNING AREA INTO PCA. TACAN BEING USED FOR POSITION. TACAN DME OPERATION INTERMITTENT. FLT WAS MONITORED BY MIL FAC. NO CONFLICT.
Narrative: SECTION OF 2 FGT'S WERE MANEUVERING IN W 291 ON A ROUTINE NIGHT INSTRUMENT/FAM TRNING MISSION. BEAVER CTL WAS PROVIDING SEP ON A DISCRETE UHF FREQ. FLT WAS MANEUVERING IN THE VICINITY OF THE NKX 250/35 USING TACAN FOR NAV. TACAN DME WAS INTERMITTENT DURING MANEUVERING FLT. DURING THE MANEUVERING PORTION OF THE HOP, THE ACFT APPARENTLY DRIFTED OUT OF THE EASTERN PORTION OF W 291 INTO THE PCA. FLT HAD CEASED MANEUVERING AND WAS PROCEEDING W WHEN BEAVER CALLED AND SAID THAT THE SECTION WAS OPERATING IN ZLA'S AIRSPACE. THE SECTION WAS MONITORING GUARD THROUGHOUT THE FLT, HOWEVER THE FIRST CALL FROM BEAVER CAME WHEN THE FLT WAS ALREADY PROCEEDING BACK INTO THE AREA. THE REST OF THE FLT WAS CONDUCTED W/O INCIDENT. THE FURTHEST THE FLT DRIFTED ACCORDING TO THE LEAD'S DME WAS 32 MI.
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.