NASA · Aviation Safety Reporting System
GA pilot reported while on final approach course to WHP airport, another aircraft crossed the final approach course without communication with ATC resulting in a NMAC.
What is ASRS?
The Aviation Safety Reporting System is NASA's voluntary, confidential, non- punitive incident-reporting system, established 1976. Pilots, controllers, dispatchers, and maintenance technicians file reports describing safety- relevant events. NASA de-identifies every report before adding it to the public database. Reports are not investigated by NASA, the FAA, or the NTSB — they represent the reporter's perspective.
Pilot narrative
Verbatim from the de-identified NASA record. First-person account by the
reporter. NASA strips identifying details (names, company, specific time);
anonymization placeholders are ZZZ,
X, Y.
Aircraft X on long stabilized straight in to WHP, cleared #3 to land. Aircraft Y (with no IFF or ADSB) took off from ZZZ and called WHP Tower when just west of approach corridor (the call was "at I5 - I405 intersection." Aircraft Y proceeded across approach corridor to east, passing just below the Aircraft X approximately 20 seconds after his initial call to tower. Aircraft Y took evasive action (dive), Cessna saw Aircraft Y in maneuver and did not need to take evasive action. Factors: 1. Non electric aircraft flying with no transponder or ADS-B in high traffic area (Class D airspace underneath Class C). 2. Late handoff from ZZZ Tower to Whiteman Tower. 3. Aircraft proceeded across approach path to WHP inside Class D airspace at approach altitude prior to establishing contact with Tower Controller.
NASA classification — Anomalies
- Airspace Violation
- Conflict
- Deviation / Discrepancy - Procedural
NASA classification — Assessments
- Contributing Factors / Situations
- Human Factors · Procedure
- Primary Problem
- Human Factors
ASRS reports are voluntarily submitted, de-identified by NASA, and represent the reporter's perspective. The presence of reports on a topic cannot be used to infer prevalence in the National Airspace System. The authoritative source is the NASA ASRS Database Online at asrs.arc.nasa.gov ↗.