Individually Owned: 150,657
Corporate Owned: 137,281
Honolulu International Airport
Aircraft Accident/Incident Report
Honolulu, Hawaii 96819
Wednesday, July 7, 1993 15:59 HST
NTSB Narrative Summary Released at Completion of Accident
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.
NTSB Probable Cause Narrative
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.
Event Information
| Type of Event | Accident |
| Event Date | 7/7/1993 |
| Event Day of the Week | Wednesday |
| Time of Event | 1559 |
| Event Time Zone | Hawaii Standard Time |
| Event City | HONOLULU |
| Event State | HAWAII |
| Event Country | -- |
| Zipcode of the event site | 96819 |
| Event Date Year | 1993 |
| Event Date Month | 7 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | HONOLULU INTERNATIONAL |
| Event Location Nearest Airport ID | HNL |
| Indicates whether the acc/inc occurred off or on an airport | On Airport |
| Distance from airport in statute miles | -- |
| Degrees magnetic from airport | -- |
| Airport Elevation | 13 |
| Weather Briefing Completeness | Unknown |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1555 Hawaii Standard Time |
| Direction of event from weather observation facility (degrees) | 0 |
| Weather Observation Facility ID | HNL |
| Elevation of weather observation facility | 13 |
| Distance of event from weather observation facility (units?) | 0 |
| Time Zone of the weather observation | HST |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 0 |
| Lowest Non-Ceiling Height | 2500 |
| Sky/Lowest/Cloud Conditions | Scattered |
| Sky Condition for Lowest Ceiling | None |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 25 |
| Air Temperature at event time (in degrees celsius) | 29 |
| Dew Point at event time (in degress fahrenheit) | 18 |
| Wind Direction (degrees magnetic) | 20 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 14 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Unknown |
| Wind Gust (knots) | 25 |
| Altimeter Setting at event time (in. Hg) | 29 |
| Density Altitude (feet) | -- |
| Intensity of Precipitation | Unknown |
| METAR weather report | -- |
| Event Highest Injury | Fatal |
| On Ground, Fatal Injuries | 0 |
| On Ground, Minor Injuries | 0 |
| On Ground, Serious Injuries | 0 |
| Injury Total Fatal | 1 |
| Injury Total Minor | -- |
| Injury Total None | -- |
| Injury Total Serious | -- |
| Injury Total All | 1 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 1416 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Jul 7 1993 12:00AM |
| NTSB Notification Time | 2010 |
| Fiche Number and/or location -used to find docket information | IMAGE |
| Date of most recent change to record | Dec 11 2000 1:28PM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N501R |
| NTSB Number | LAX93FA281 |
| Missing Aircraft Indicator | N |
| Federal Aviation Reg. Part | Part 91: General Aviation |
| Type of Flight Plan filed | None |
| Flight plan Was Activated? | -- |
| Damage | Destroyed |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | ROBINSON |
| Aircraft Model | R22B |
| Aircraft Series Identifier | R22B |
| Aircraft Serial Number | 1169 |
| Certified Max Gross Weight | 1300 |
| Aircraft Category | Helicopter |
| Aircraft Registration Class | U.S. Registered/U.S. Soil |
| Aircraft is a homebuilt? | No |
| Flight Crew Seats | -- |
| Cabin Crew Seats | -- |
| Passenger Seats | -- |
| Total number of seats on the aircraft | 2 |
| Number of Engines | 1 |
| Fixed gear or retractable gear | Fixed |
| Aircraft, Type of Last Inspection | 100 Hour |
| Date of Last Inspection | Jun 22 1993 12:00AM |
| Airframe hours since last inspection | 47 |
| Airframe Hours | 2260 |
| ELT Installed | No |
| ELT Activated | Unknown |
| ELT Aided Location of Event Site | Unknown |
| ELT Type | -- |
| Aircraft Owner Name | RAINBOW PACIFIC HELICOPTERS |
| Aircraft Owner Street Address | 120 KAPALULU PL. STE. 210 |
| Aircraft Owner City | HONOLULU |
| Aircraft Owner State | HI |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 96819 |
| Operator is an individual? | -- |
| Operator Name | |
| Operator Same as Owner? | Yes |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | Yes |
| Operator Street Address | |
| Operator City | |
| Operator State | |
| Operator Country | |
| Operator Zip code | |
| Operator Code | |
| Owner has at least one certificate | None |
| Other Operator of large aircraft? | No |
| Certified for Part 133 or 137 Operation | Unknown |
| Operator Certificate Number | -- |
| Indicates whether an air carrier operation was scheduled or not | -- |
| Indicates Domestic or International Flight | -- |
| Operator carrying Pax/Cargo/Mail | -- |
| Type of Flying (Per_Bus / Primary) | Instructional |
| Second Pilot on Board | No |
| Departure Point Same as Event | Yes |
| Departure Airport Code | |
| Departure City | |
| Departure State | |
| Departure Country | |
| Departure Time | 1502 |
| Departure Time Zone | HST |
| Destination Same as Local Flt | dest & departure same, accident can occur anywhere |
| Destination Airport Code | HNL |
| Destination City | |
| Destination State | |
| Destination Country | |
| Specific Phase of Flight | Hover |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | Jan 2 2001 10:34AM |
| User who most recently changed record | dbo |
| Since inspection or accident | -- |
| Event Location Runway Number and Location | 0 |
| Runway Length | -- |
| Runway Width | -- |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |