ASN Wikibase Occurrence # 41996
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| Date: | Tuesday 25 November 1997 |
| Time: | 11:32 |
| Type: |  Cessna 172M |
| Owner/operator: | private |
| Registration: | N9518H |
| MSN: | 17266195 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | El Cajon, CA -
 United States of America
|
| Phase: | Take off |
| Nature: | Training |
| Departure airport: | (SEE) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A Cessna 152 (C-152)and a Cessna 172 (C-172) collided in mid air while in a closed traffic pattern at Gillepsie Field. A student and flight instructor were aboard the C-152, and a student pilot was the sole occupant of the C-172. The C-172 was cleared to takeoff with instructions to follow the C-152. A third aircraft was also in the traffic pattern at the time. After takeoff, the air traffic controller looked away to check on other traffic but when he looked back, neither aircraft was visible. He made several unsuccessful calls to both the pilots. The student in the C-152 reported that he had turned crosswind as he came abeam of the third aircraft. When he reached pattern altitude, he began his downwind turn. He was trimming the aircraft when he saw the C-172 approaching his position. He banked hard to avoid the aircraft, but felt an impact. The instructor attempted to take the controls and, with both pilots on the controls, they executed an emergency forced landing on a surface street. The aircraft elevator control lost effectiveness and the aircraft landed hard. They did not report any other mechanical abnormalities before or after the collision. Witnesses reported that both aircraft were on a converging flight path. The student pilot in the C-172 was making his second solo flight but had not advised the controller. The controller did not specify that he was number 3 in the pattern. Haze was reported in all quadrants. The Brite radar repeater in the tower cab is not capable of monitoring traffic on the south side of the airport due to terrain height. CAUSE: The pilot of the other aircraft's failure to recognize and follow the aircraft on the downwind as instructed. Factors influencing this accident were the pilot's failure to see and avoid the other aircraft; the flight instructor's inadequate supervision of the flight; the pilot of the other aircraft's failure to verify the controller's instructions; the altitude limitation of the Brite radar repeater in the tower cab that prevented its use in traffic pattern separation; and the prevailing haze which restricted visibility.
Sources:
NTSB: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001208X09195
History of this aircraft
Other occurrences involving this aircraft
| 2 June 1984 | N9518H | Larry Layton/michael Spencer | 0 | San Fernando, CA | |
sub |
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
Corrections or additions? ... Edit this accident description
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