Individually Owned: 150,657
Corporate Owned: 137,281
Puerto Rico Intl Airport
Aircraft Accident/Incident Report
Isla Verde
Tuesady, July 22, 1986 13:53 AST
NTSB Narrative Summary Released at Completion of Accident
SHORTLY AFTER TAKEOFF, THE ACFT'S CLIMB PERFORMANCE BGN TO DETERIORATE & THE R ENG STARTED TO OVERHEAT. SUBSEQUENTLY, THE R ENG WAS FEATHERED & THE CREW ATTEMPTED TO RETURN TO THE ARPT. THE RADIO TRANSMITTER BCM UNINTELLIGIBLE, SO THE TOWER PSNL CLEARED THE ACFT TO LAND ON RWY 10 & ASKED THE CREW TO KEY THEIR MIKE TWICE, IF THEY UNDERSTOOD. THE MIKE WASKEYED TWICE. THE ACFT ENTERED A R DWNWND FOR RWY 10 AT A VERY LOW ALT. ACCORDING TO WITNESSES, THE ACFT WENT INTO A STEEP BANK AS IT WAS TURNING ONTO A BASE LEG OVER WATER, THE R WING TIP HIT THE WATER & THE ACFT CARTWHEELED & CRASHED. THE COPLT RPRTD THAT AFTER FEATHERING THE R ENG, THE VMC OF 84 KTS WAS MAINTAINED; HOWEVER, HE BELIEVED THE ACFT STALLEDJUST PRIOR TO IMPACT. A TEARDOWN OF THE R ENG REVEALED THE EDGE OF THE #8 PISTON & ITS PISTON RINGS HAD FAILED. METAL FILINGS WERE FOUND IN THE OIL & THE OIL PUMP WAS SCORED. THERE WAS EVIDENCE OF OIL STARVATION TO THE CRANKSHAFT JOURNAL,AS WELL AS PISTON SLAP ASSOCIATED WITH THE RING FAILURE.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
| Type of Event | Accident |
| Event Date | 7/22/1986 |
| Event Day of the Week | Tuesday |
| Time of Event | 1353 |
| Event Time Zone | Atlantic Standard Time |
| Event City | ISLA VERDE |
| Event State | PUERTO RICO |
| Event Country | -- |
| Zipcode of the event site | 00913 |
| Event Date Year | 1986 |
| Event Date Month | 7 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | PUERTO RICO INTL |
| Event Location Nearest Airport ID | SJU |
| 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 | 230 |
| Airport Elevation | 10 |
| Weather Briefing Completeness | Not pertinent |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1354 Atlantic Standard Time |
| Direction of event from weather observation facility (degrees) | 50 |
| Weather Observation Facility ID | SJU |
| Elevation of weather observation facility | 9 |
| Distance of event from weather observation facility (units?) | 1 |
| Time Zone of the weather observation | AST |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 0 |
| Lowest Non-Ceiling Height | 3500 |
| 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) | 6 |
| Air Temperature at event time (in degrees celsius) | 31 |
| Dew Point at event time (in degress fahrenheit) | 23 |
| Wind Direction (degrees magnetic) | 70 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 15 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 30 |
| 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 | 1 |
| Injury Total All | 2 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 1513 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Jul 22 1986 12:00AM |
| NTSB Notification Time | 1445 |
| Fiche Number and/or location -used to find docket information | 31927 |
| Date of most recent change to record | Jan 2 2001 9:14AM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N27PR |
| NTSB Number | MIA86MA217 |
| Missing Aircraft Indicator | N |
| Federal Aviation Reg. Part | Part 135: Air Taxi & Commuter |
| Type of Flight Plan filed | VFR |
| Flight plan Was Activated? | -- |
| Damage | Destroyed |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | DOUGLAS |
| Aircraft Model | DC-3 |
| Aircraft Series Identifier | DC-3 |
| Aircraft Serial Number | 11776 |
| Certified Max Gross Weight | 26200 |
| Aircraft Category | Airplane |
| 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 | 2 |
| Fixed gear or retractable gear | Retractable |
| Aircraft, Type of Last Inspection | AAIP |
| Date of Last Inspection | May 28 1986 12:00AM |
| Airframe hours since last inspection | 97 |
| Airframe Hours | 44394 |
| ELT Installed | Yes |
| ELT Activated | Unknown |
| ELT Aided Location of Event Site | No |
| ELT Type | -- |
| Aircraft Owner Name | DIAZ AVIATION CORPORATION |
| Aircraft Owner Street Address | CALLE 4 DO 109 VILLAMAR EXT. |
| Aircraft Owner City | ISLA VERDE |
| Aircraft Owner State | PR |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 00913 |
| Operator is an individual? | -- |
| Operator Name | |
| Operator Same as Owner? | No |
| 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 | FITA |
| Owner has at least one certificate | Yes - certificate holder |
| 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 | Non-scheduled |
| Indicates Domestic or International Flight | International |
| Operator carrying Pax/Cargo/Mail | Cargo |
| Type of Flying (Per_Bus / Primary) | Unknown |
| Second Pilot on Board | Yes |
| Departure Point Same as Event | Yes |
| Departure Airport Code | SJU |
| Departure City | SAN JUAN |
| Departure State | PR |
| Departure Country | |
| Departure Time | 1343 |
| Departure Time Zone | AST |
| Destination Same as Local Flt | -- |
| Destination Airport Code | SKB |
| Destination City | ST. KITT |
| Destination State | OF |
| Destination Country | |
| Specific Phase of Flight | Descent |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | Dec 20 2002 12:42PM |
| User who most recently changed record | dbo |
| Since inspection or accident | -- |
| Event Location Runway Number and Location | 10 |
| Runway Length | 8016 |
| Runway Width | 150 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |