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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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Near midair collision reported between DH8 at 8K and a climbing P3. Reporter got TCASII RA to climb. P3 went under DH8. TA was not given by the controller. Unknown if the P3 was IFR or VFR.
| Attributes | |
| ACN | 365496 |
| Time | |
| Date | 199704 |
| Day | Mon |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : vvj |
| State Reference | BC |
| Altitude | msl bound lower : 8000 msl bound upper : 8700 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zmp |
| Operator | common carrier : air carrier |
| Make Model Name | Dash 8 Series Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude cruise other |
| Route In Use | enroute airway : nuw |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | other |
| Make Model Name | Prowler (EA6B) |
| Operating Under FAR Part | other : other |
| Flight Phase | climbout : intermediate altitude |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 120 flight time total : 3600 flight time type : 250 |
| ASRS Report | 365496 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : nmac other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 0 vertical : 300 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
Narrative:
In cruise at 8000 ft, received TA 1 O'clock, 3 mi climbing, no ATC advisory. Then got RA, initiated climb, EA6 went under us at our previous altitude. Ended up climbing 700 ft following RA. Advised ATC immediately. They then advised us of inbound descending P3. Got TA, but no RA -- we had to descend to avoid this aircraft as well. Missed by 400 ft vertical, 0 ft horizontal. ATC was exceptionally at fault on both these!
Original NASA ASRS Text
Title: NMAC RPTED BTWN DH8 AT 8K AND A CLBING P3. RPTR GOT TCASII RA TO CLB. P3 WENT UNDER DH8. TA WAS NOT GIVEN BY THE CTLR. UNKNOWN IF THE P3 WAS IFR OR VFR.
Narrative: IN CRUISE AT 8000 FT, RECEIVED TA 1 O'CLOCK, 3 MI CLBING, NO ATC ADVISORY. THEN GOT RA, INITIATED CLB, EA6 WENT UNDER US AT OUR PREVIOUS ALT. ENDED UP CLBING 700 FT FOLLOWING RA. ADVISED ATC IMMEDIATELY. THEY THEN ADVISED US OF INBOUND DSNDING P3. GOT TA, BUT NO RA -- WE HAD TO DSND TO AVOID THIS ACFT AS WELL. MISSED BY 400 FT VERT, 0 FT HORIZ. ATC WAS EXCEPTIONALLY AT FAULT ON BOTH THESE!
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.