Individually Owned: 150,657
Corporate Owned: 137,281
Ketchikan Intl Airport
Aircraft Accident/Incident Report
Ketchikan, Alaska 99901
Wednesday, August 12, 1987 13:21 AKD
NTSB Narrative Summary Released at Completion of Accident
N58318 (HUGHES 369, UNDER CONTRACT WITH US GEOLOGICAL SURVEY) WAS INBND FM SE TO LND AT KETCHIKAN-TEMSCO HELIPORT (6Z4) AS N73WS (CESSNA 185 AMPHIBIAN) WAS DEPG SE FM KETCHIKAN INTL ARPT (KTN). KTN & 6Z4 WERE LOCATED IN TONGASS NARROWS WITHMTNS NE & SW. RPRTD WX WAS: 500' SCT, 1100' BKN, 2200' OVC, VIS 5 MI WITH LGT RAIN & FOG, CIG RAGGED. FOR A VFR APCH TO 6Z4 (APRX 1-1/2 MI NORTH OF KTN ARPT), N58318 HAD TO GO UP THE NARROWS & OVR OR NR KTN. KTN HAD NO CTL TWR, BUT SUB- PART M OF FAR 93 REQD 2-WAY RDO COMM WITH KTN FSS, WHILE OPERG BLO 3000' & W/I 3 MI OF KTN. AT 1318:58, N58318 RPRTD AT GRAVINA PT (APRX 4 MI SE OF KTN) & THE FSS PROVIDED TRAFFIC ADZR. AT 1319:19, N73WS RPRTD INTENTIONS TO DEPART FROM KTN & WAS GIVEN A TRAFFIC ADZY, INCLUDING INFO CONCERNING N58318. N73WS DEPD KTN, USING PARALLEL TWY NEXT TO RWY 11, IAW LTROF AGREEMENT. NRLY 1 MI SE OF KTN, THE TWO COLLIDED AS N58318 WAS FLYING NEAR THE EXTDD CNTRLN OF RWY 11. N58318 CRASHEDIN WTR; N73WS RETURNED & CRASH LNDD AT KTN. FIVE ACFT IN VCNTY OF KTN; FAA DATA INDCD HVY TRAFFIC AT KTN FM MAY TO SEP.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
| Type of Event | Accident |
| Event Date | 8/12/1987 |
| Event Day of the Week | Wednesday |
| Time of Event | 1321 |
| Event Time Zone | -- |
| Event City | KETCHIKAN |
| Event State | ALASKA |
| Event Country | -- |
| Zipcode of the event site | 99901 |
| Event Date Year | 1987 |
| Event Date Month | 8 |
| MidAir Collision Indicator | Yes |
| On Ground Collision occurred ? | No |
| Event Location Latitude | -- |
| Event Location Longitude | -- |
| Event Location Airport | KETCHIKAN INTL |
| Event Location Nearest Airport ID | KTN |
| Indicates whether the acc/inc occurred off or on an airport | Off Airport/Airstrip |
| Distance from airport in statute miles | 1 |
| Degrees magnetic from airport | 100 |
| Airport Elevation | 88 |
| Weather Briefing Completeness | Full |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1325 KDT |
| Direction of event from weather observation facility (degrees) | 290 |
| Weather Observation Facility ID | KTN |
| Elevation of weather observation facility | 88 |
| Distance of event from weather observation facility (units?) | 1 |
| Time Zone of the weather observation | KDT |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 1100 |
| Lowest Non-Ceiling Height | 500 |
| Sky/Lowest/Cloud Conditions | Scattered |
| Sky Condition for Lowest Ceiling | Broken |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 5 |
| Air Temperature at event time (in degrees celsius) | 14 |
| Dew Point at event time (in degress fahrenheit) | 13 |
| Wind Direction (degrees magnetic) | 0 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 0 |
| Wind Velocity Indicator | Calm |
| Wind Gust Indicator | Unknown |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 29 |
| Density Altitude (feet) | 48 |
| Intensity of Precipitation | Light |
| 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 | 2 |
| Injury Total Minor | -- |
| Injury Total None | 3 |
| Injury Total Serious | -- |
| Injury Total All | 2 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 1561 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Aug 12 1987 12:00AM |
| NTSB Notification Time | 1445 |
| Fiche Number and/or location -used to find docket information | 34957 |
| Date of most recent change to record | Feb 26 2001 8:08AM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
||
|---|---|---|
Aircraft #1 |
Aircraft #2 |
|
| Aircraft Registration Number | N58318 | N73WS |
| NTSB Number | SEA87FA162A | SEA87FA162B |
| Missing Aircraft Indicator | N | N |
| Federal Aviation Reg. Part | Part 91: General Aviation | Part 135: Air Taxi & Commuter |
| Type of Flight Plan filed | Company VFR | Company VFR |
| Flight plan Was Activated? | -- | -- |
| Damage | Destroyed | Substantial |
| Aircraft Fire | None | None |
| Aircraft Explosion | None | None |
| Aircraft Manufacturer's Full Name | HUGHES | CESSNA |
| Aircraft Model | 369D | 185E |
| Aircraft Series Identifier | 369D | 185E |
| Aircraft Serial Number | 590499D | 18501645 |
| Certified Max Gross Weight | 3000 | 3100 |
| Aircraft Category | Helicopter | Airplane |
| Aircraft Registration Class | U.S. Registered/U.S. Soil | U.S. Registered/U.S. Soil |
| Aircraft is a homebuilt? | No | No |
| Flight Crew Seats | -- | -- |
| Cabin Crew Seats | -- | -- |
| Passenger Seats | -- | -- |
| Total number of seats on the aircraft | 5 | 4 |
| Number of Engines | 1 | 1 |
| Fixed gear or retractable gear | Fixed | Fixed |
| Aircraft, Type of Last Inspection | 100 Hour | 100 Hour |
| Date of Last Inspection | Jul 29 1987 12:00AM | Jul 27 1987 12:00AM |
| Airframe hours since last inspection | 11 | 68 |
| Airframe Hours | 3910 | 7111 |
| ELT Installed | Unknown | Yes |
| ELT Activated | No | Yes |
| ELT Aided Location of Event Site | No | No |
| ELT Type | -- | -- |
| Aircraft Owner Name | TEMSCO HELICOPTER | KETCHIKAN AIR SERVICE |
| Aircraft Owner Street Address | P.O. BOX 5057 | 1600 KETCHIKAN AIRPORT |
| Aircraft Owner City | KETCHIKAN | KETCHIKAN |
| Aircraft Owner State | AK | AK |
| Aircraft Owner Country | ||
| Aircraft Owner Zipcode | 99901 | 99901 |
| Operator is an individual? | -- | -- |
| Operator Name | TEMSCO HELICOPTERS | KETCHIKAN AIR SERVICE |
| Operator Same as Owner? | No | No |
| Operator Is Doing Business As | -- | -- |
| Operator Address Same as Owner? | No | No |
| Operator Street Address | P.O. BOX 5057 | P.O. BOX 6900 |
| Operator City | KETCHIKAN | KETCHIKAN |
| Operator State | AK | AK |
| Operator Country | ||
| Operator Zip code | 99901 | 99901 |
| Operator Code | ||
| Owner has at least one certificate | Yes - certificate holder | Yes - certificate holder |
| Other Operator of large aircraft? | No | No |
| Certified for Part 133 or 137 Operation | External Load | Unknown |
| Operator Certificate Number | -- | -- |
| Indicates whether an air carrier operation was scheduled or not | -- | Non-scheduled |
| Indicates Domestic or International Flight | -- | Domestic |
| Operator carrying Pax/Cargo/Mail | -- | Passenger Only |
| Type of Flying (Per_Bus / Primary) | Unknown | Unknown |
| Second Pilot on Board | No | No |
| Departure Point Same as Event | No | Yes |
| Departure Airport Code | ||
| Departure City | ANNETTE ISLAND | |
| Departure State | AK | |
| Departure Country | ||
| Departure Time | 1300 | 1320 |
| Departure Time Zone | KDT | KDT |
| Destination Same as Local Flt | -- | -- |
| Destination Airport Code | ||
| Destination City | KETCHIKAN | HUMPBACK LAKE |
| Destination State | AK | AK |
| Destination Country | ||
| Specific Phase of Flight | Cruise | Takeoff |
| Report sent to ICAO? | -- | -- |
| Evacuation occurred | -- | -- |
| Date of most recent change to record | Feb 26 2001 8:08AM | Feb 26 2001 8:08AM |
| User who most recently changed record | dbo | dbo |
| Since inspection or accident | -- | -- |
| Event Location Runway Number and Location | 0 | 0 |
| Runway Length | -- | -- |
| Runway Width | -- | -- |
| Sight Seeing flight | No | No |
| Air Medical Flight | No | No |
| Medical Flight | -- | -- |