ASN Wikibase Occurrence # 201891
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| Date: | Sunday 10 January 1999 |
| Time: | 16:20 LT |
| Type: |  Piper PA-18A-150 |
| Owner/operator: | Sun West Aviation, Inc. |
| Registration: | N8980D |
| MSN: | 186424 |
| Year of manufacture: | 1958 |
| Total airframe hrs: | 2998 hours |
| Engine model: | Lycoming O-235-L2C |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Tucson, AZ -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | (KTUS) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The private pilot was receiving his first flight in a conventional geared aircraft. The instructor had informed him before takeoff that when they were coming in to land that he needed to stay off the heel brakes. On the landing rollout, the aircraft made a slight turn to the left and the student applied right rudder to correct the divergence. The airplane then made an abrupt turn to the right. Both student and instructor applied full left rudder to counteract the right turn but could not regain directional control before the airplane ground looped. The brake system was inspected with no mechanical malfunctions noted.
Probable Cause: The student pilot's inadvertent activation of the right heel brake on the conventional geared aircraft, which resulted in a loss of directional control and an inadvertent ground loop. A contributing factor was inadequate supervision.
Accident investigation:
 |
|
Sources:
NTSB LAX99LA071
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 26-Nov-2017 09:39 | ASN Update Bot | Added |
| 08-Apr-2024 10:50 | ASN Update Bot | Updated [Time, Other fatalities, Phase, Departure airport, Source, Narrative, Category, Accident report] |
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