Individually Owned: 150,657
Corporate Owned: 137,281
Laguardia Airport
Aircraft Accident/Incident Report
New York, New York
Sunday, August 9, 1987 15:15 EDT
NTSB Narrative Summary Released at Completion of Accident
ACFT WITH SIMILAR CALL SIGNS (TWA FLTS 843H & 834; BOEING 747 & BOEING 727) APCHD JFK INTL ARPT FOR LDG. FLT 843H WAS 22MIN LATE & FLT 834 WAS 12 MIN EARLY, CAUSING SAME ARR TIME. NY TRACON VCTRD FLT 834 BHND FLT 843H. WHILE CTLG THE ACFT, JFK FINAL CTLR, INADVERTENTLY TRANSPOSED FLT NUMBERS & GAVE A VCTR FOR FLT '834H' (INTENDED FOR FLT 843H) TO TURN FINAL FOR A VOR RWY 13L APCH. FLT 843H DIDN'T READILY DETECT THE ERROR & CONTD ITS LAST ASSIGNED HDG OF 300 DEG. ABT 72 SEC LTR, FLT 843H QUERIED THE CTLR, BUT BY THAT TIME, THE CTLR NOTED HIS ERROR & GAVE FLT 843H A TURN TO REVERSE DRCTN. HOW-EVER, FLT 843H HAD ENTERED LAGUARDIA AIRSPACE & CONVERGED ON ANOTHER ACFT (PAN AM FLT 537), BOTH AT 3000'. FLT 537 WAS BEING VECTORED FOR AN ILS RWY 4 APCH TO LAGUARDIA ON ANOTHER FREQ. NOTING THE ACFT WERE CONVERGING, THE CTLRS TOLD EACH RESPECTIVE FLT TO CLIMB (WHILE THEY ATMTD TO RESOLVE THE PRBLM). FLT 537 CAME OUT OF CLDS; THE CREW SAW THE OTR ACFT, TOOK EVASIVE ACTN & PASSED WITH ABT 600' SEPN. THE JFK CTLR HAD 20/80 VISION, BUT WASN'T WEARING GLASSES AS REQUIRED.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
| Type of Event | Incident |
| Event Date | 8/9/1987 |
| Event Day of the Week | Sunday |
| Time of Event | 1515 |
| Event Time Zone | Eastern Daylight Time |
| Event City | NEW YORK |
| Event State | NEW YORK |
| Event Country | -- |
| Zipcode of the event site | |
| Event Date Year | 1987 |
| Event Date Month | 8 |
| MidAir Collision Indicator | -- |
| On Ground Collision occurred ? | -- |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | LAGUARDIA |
| Event Location Nearest Airport ID | LGA |
| Indicates whether the acc/inc occurred off or on an airport | Off Airport/Airstrip |
| Distance from airport in statute miles | 0 |
| Degrees magnetic from airport | 0 |
| Airport Elevation | 22 |
| Weather Briefing Completeness | Full |
| Investigator's weather source | Unknown |
| Time of the weather observation | 0 |
| Direction of event from weather observation facility (degrees) | 0 |
| Weather Observation Facility ID | |
| Elevation of weather observation facility | 0 |
| Distance of event from weather observation facility (units?) | 0 |
| Time Zone of the weather observation | |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 0 |
| Lowest Non-Ceiling Height | 3000 |
| Sky/Lowest/Cloud Conditions | Unknown |
| Sky Condition for Lowest Ceiling | Unknown |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 0 |
| Air Temperature at event time (in degrees celsius) | -18 |
| Dew Point at event time (in degress fahrenheit) | -18 |
| Wind Direction (degrees magnetic) | 0 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 0 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Unknown |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | -- |
| Density Altitude (feet) | 0 |
| Intensity of Precipitation | Unknown |
| METAR weather report | -- |
| Event Highest Injury | None |
| On Ground, Fatal Injuries | 0 |
| On Ground, Minor Injuries | 0 |
| On Ground, Serious Injuries | 0 |
| Injury Total Fatal | -- |
| Injury Total Minor | -- |
| Injury Total None | 528 |
| Injury Total Serious | -- |
| Injury Total All | -- |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 5084 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Aug 11 1987 12:00AM |
| NTSB Notification Time | 800 |
| Fiche Number and/or location -used to find docket information | |
| Date of most recent change to record | Dec 18 2002 11:28AM |
| User who most recently changed record | NTSB\GIUV |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
||
|---|---|---|
Aircraft #1 |
Aircraft #2 |
|
| Aircraft Registration Number | N93109 | N558PE |
| NTSB Number | NYC87IA227A | NYC87IA227B |
| Missing Aircraft Indicator | N | N |
| Federal Aviation Reg. Part | Part 121: Air Carrier | Part 121: Air Carrier |
| Type of Flight Plan filed | IFR | IFR |
| Flight plan Was Activated? | -- | -- |
| Damage | None | None |
| Aircraft Fire | None | None |
| Aircraft Explosion | None | None |
| Aircraft Manufacturer's Full Name | BOEING | BOEING |
| Aircraft Model | 747 | 727 |
| Aircraft Series Identifier | 747 | 727 |
| Aircraft Serial Number | 19675 | 20840 |
| Certified Max Gross Weight | 710000 | 191000 |
| Aircraft Category | Airplane | 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 | 495 | 134 |
| Number of Engines | 4 | 3 |
| Fixed gear or retractable gear | Retractable | Retractable |
| Aircraft, Type of Last Inspection | Unknown | Unknown |
| Date of Last Inspection | -- | -- |
| Airframe hours since last inspection | -- | -- |
| Airframe Hours | -- | -- |
| ELT Installed | No | No |
| ELT Activated | No | No |
| ELT Aided Location of Event Site | No | No |
| ELT Type | -- | -- |
| Aircraft Owner Name | TRANS WORLD AIRLINES | PAN AMERICAN |
| Aircraft Owner Street Address | 605 3RD AVE. | |
| Aircraft Owner City | NEW YORK | NEW YORK |
| Aircraft Owner State | NY | NY |
| Aircraft Owner Country | ||
| Aircraft Owner Zipcode | 10158 | |
| Operator is an individual? | -- | -- |
| Operator Name | ||
| Operator Same as Owner? | Yes | Yes |
| Operator Is Doing Business As | -- | -- |
| Operator Address Same as Owner? | Yes | Yes |
| Operator Street Address | ||
| Operator City | ||
| Operator State | ||
| Operator Country | ||
| Operator Zip code | ||
| Operator Code | TWAA | PAAA |
| 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 | Unknown | Unknown |
| Operator Certificate Number | -- | -- |
| Indicates whether an air carrier operation was scheduled or not | Scheduled | Scheduled |
| Indicates Domestic or International Flight | International | Domestic |
| Operator carrying Pax/Cargo/Mail | Passenger/Cargo | Passenger/Cargo |
| Type of Flying (Per_Bus / Primary) | Unknown | Unknown |
| Second Pilot on Board | Yes | Yes |
| Departure Point Same as Event | No | No |
| Departure Airport Code | MXP | BOS |
| Departure City | MILAN,ITALY | BOSTON |
| Departure State | OF | MA |
| Departure Country | ||
| Departure Time | 0 | 0 |
| Departure Time Zone | ||
| Destination Same as Local Flt | -- | -- |
| Destination Airport Code | JFK | LGA |
| Destination City | NEW YORK | NEW YORK |
| Destination State | NY | NY |
| Destination Country | ||
| Specific Phase of Flight | Approach | Approach |
| Report sent to ICAO? | -- | -- |
| Evacuation occurred | -- | -- |
| Date of most recent change to record | Jan 2 2001 10:30AM | Jan 2 2001 10:30AM |
| User who most recently changed record | dbo | dbo |
| Since inspection or accident | -- | -- |
| Event Location Runway Number and Location | 13L | 4 |
| Runway Length | 10000 | 7000 |
| Runway Width | 150 | 150 |
| Sight Seeing flight | No | No |
| Air Medical Flight | No | No |
| Medical Flight | -- | -- |