ASN Wikibase Occurrence # 37066
This information is added by users of ASN. Neither ASN nor the Flight Safety Foundation are responsible for the completeness or correctness of this information.
If you feel this information is incomplete or incorrect, you can submit corrected information.
| Date: | Wednesday 7 July 1993 |
| Time: | 16:59 LT |
| Type: |  Robinson R22B |
| Owner/operator: | Rainbow Pacific Helicopters |
| Registration: | N501R |
| MSN: | 1169 |
| Year of manufacture: | 1989 |
| Total airframe hrs: | 2260 hours |
| Engine model: | Lycoming O-320-B2C |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Honolulu Airport, Oahu, HI -
 United States of America
|
| Phase: | Taxi |
| Nature: | Training |
| Departure airport: | |
| (KHNL) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
AFTER COMPLETING A PERIOD OF DUAL, THE CFI SAID HE FELT THE STUDENT WAS READY FOR HIS FIRST SUPERVISED SOLO, AND HE EXITED THE AIRPLANE AFTER INSTRUCTING THE STUDENT TO COMPLETE 3 TAKEOFF, APPROACH TO A HOVER, & LANDING MANEUVERS. DURING THE 3RD LANDING MANEUVER THE HELICOPTER BEGAN ROTATING, THEN DESCENDED RAPIDLY AND IMPACTED THE GROUND. THE STUDENT HAD RECEIVED 21 HRS OF HELICOPTER DUAL INSTRUCTION, FROM 3 DIFFERENT INSTRUCTORS, DURING 15 LESSONS. ALL 3 INSTRUCTORS USED THE ROBINSON FLIGHT TRAINING GUIDE AS A SYLLABUS; THE GUIDE STATES 'UNDER NO CIRCUMSTANCES ARE STUDENTS PERMITTED TO FLY SOLO IN WINDS IN EXCESS OF 15 KNOTS.' THE PERFORMANCE SECTION OF THE PILOT OPERATOR HANBOOK STATES THAT CONTROLLABILITY HAS BEEN DEMONSTRATED FOR CROSSWINDS AND TAILWINDS UP TO 17 KNOTS. AT THE TIME OF THE ACCIDENT THE TOWER WAS REPORTING RAIN SHOWERS NORTHEAST; PERIODIC WIND GUSTS TO 25 KTS WERE ALSO REPORTED DURING THE TIME OF THE FLIGHT. A LLWAS WIND SENSOR NEAR THE ACCIDENT SITE WAS REPORTING AVERAGE SPEEDS OF 15-18 KTS.
Probable Cause: THE INSTRUCTOR ALLOWING THE STUDENT FLY SOLO IN WIND CONDITIONS EXCEEDING THE MAXIMUM ALLOWABLE WINDS IN THE TRAINING SYLLABUS, AND ALSO NEAR THE MAXIMUM DEMONSTRATED CONTROLLABILITY ENVELOPE FOR THE HELICOPTER. FACTORS WHICH CONTRIBUTED TO THE ACCIDENT WERE THE UNFAVORABLE WIND CONDITIONS.
Accident investigation:
 |
|
Sources:
NTSB LAX93FA281
FAA register: 2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?omni=Home-N-Number&nNumberTxt=501R
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Sep-2016 15:23 | Dr.John Smith | Updated [Time, Location, Departure airport, Destination airport, Source, Narrative] |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 15-Jun-2023 04:15 | Ron Averes | Updated [[Time, Damage, Category, Investigating agency]] |
| 10-Apr-2024 12:43 | ASN Update Bot | Updated [Time, Other fatalities, Phase, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
Corrections or additions? ... Edit this accident description
The Aviation Safety Network is an exclusive service provided by:
Quick Links:
| ASN Home | Send Correction / Feedback |
| FSF Home | Disclaimer | Copyright |
| Contact Us | Privacy Policy |
| Press / Media |
CONNECT WITH US:
©2024 Flight Safety Foundation