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T38 pilot off beale AFB after initial climb to 11000 ft believed he was then cleared to FL220.
| Attributes | |
| ACN | 446382 |
| Time | |
| Date | 199908 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | navaid : mxw.vortac |
| State Reference | CA |
| Altitude | msl bound lower : 20000 msl bound upper : 22000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zoa.artcc |
| Operator | other |
| Make Model Name | Talon |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | other vortac |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zoa.artcc |
| Operator | other |
| Make Model Name | Viking (S3A) |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : military |
| Function | flight crew : single pilot oversight : pic |
| Qualification | pilot : instrument pilot : commercial pilot : multi engine |
| Experience | flight time last 90 days : 50 flight time total : 1900 flight time type : 200 |
| ASRS Report | 446382 |
| Person 2 | |
| Affiliation | government : military |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : military |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : published procedure non adherence : required legal separation |
| Independent Detector | other flight crewa |
| Resolutory Action | controller : issued new clearance |
| Miss Distance | horizontal : 1000 vertical : 500 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
T38 departed beale AFB on training mission to maxwell MOA at XA10 local. After our radar pattern, executed climb out for maxwell cleared to 11000 ft. Next clearance was (as I understood) to FL220. I wrote down FL220 and remember reading back FL220. I then climbed to FL220 en route to the MOA. I was at FL220 for approximately 3-5 mins, when the military aircraft called center (ZOA) about traffic (T38) near his flight level. Center did not call traffic to either aircraft. Center then directed the T38 to FL200 and said that should have been my final altitude. I relayed to center that I understood FL220 as my assigned altitude. No evasive action was taken by either aircraft. I understood my assigned altitude as FL220 and did not intentionally deviate.
Original NASA ASRS Text
Title: T38 PLT OFF BEALE AFB AFTER INITIAL CLB TO 11000 FT BELIEVED HE WAS THEN CLRED TO FL220.
Narrative: T38 DEPARTED BEALE AFB ON TRAINING MISSION TO MAXWELL MOA AT XA10 LCL. AFTER OUR RADAR PATTERN, EXECUTED CLBOUT FOR MAXWELL CLRED TO 11000 FT. NEXT CLRNC WAS (AS I UNDERSTOOD) TO FL220. I WROTE DOWN FL220 AND REMEMBER READING BACK FL220. I THEN CLBED TO FL220 ENRTE TO THE MOA. I WAS AT FL220 FOR APPROX 3-5 MINS, WHEN THE MIL ACFT CALLED CTR (ZOA) ABOUT TFC (T38) NEAR HIS FLT LEVEL. CTR DID NOT CALL TFC TO EITHER ACFT. CTR THEN DIRECTED THE T38 TO FL200 AND SAID THAT SHOULD HAVE BEEN MY FINAL ALT. I RELAYED TO CTR THAT I UNDERSTOOD FL220 AS MY ASSIGNED ALT. NO EVASIVE ACTION WAS TAKEN BY EITHER ACFT. I UNDERSTOOD MY ASSIGNED ALT AS FL220 AND DID NOT INTENTIONALLY DEVIATE.
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.