Boeing 707-324C HK360
25 April 1992 · Miami, Florida, United States · No injuries
Summary
On 25 April 1992 at about 22:15 local time, a Boeing 707-324C registered HK360, operated by Trans Aereos Mercan Pan AM, was involved in an accident near Miami, Florida, United States. 3 people were on board and nobody was injured. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 22:15
- Classification
- Accident
- Location
- Miami, Florida, United States
- Nearest airport
- Miami International (MIA)
- Coordinates
- Not recorded
- Aircraft
- Boeing 707-324C
- Registration
- HK360
- Category
- Airplane
- Engines
- 4
- Operator
- Trans Aereos Mercan Pan AM
- Operating rule
- Part 129: Foreign
- Purpose of flight
- Unknown
- Phase of flight
- Not recorded
- Route
- Unknown → Cali, Colombia
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- MIA92FA115
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 3 | 0 | 0 | 0 | 3 |
Probable cause
FAILURE OF THE #3 ENGINE PYLON INBOARD MIDSPAR SUPPORT FITTING DUE TO FATIGUE CRACKING WHICH RESULTED IN THE SEPARATION OF THE NUMBER THREE ENGINE AND PYLON. CONTRIBUTING TO THE ACCIDENT WAS THE INADEQUATE INSPECTION REQUIREMENTS OF THE MANUFACTURER AND THE FAA TO DETECT CRACKS IN THE MIDSPAR FITTING.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
SHORTLY AFTER TAKEOFF, THE #3 ENGINE AND PYLON SEPARATED FROM THE AIRPLANE AS A RESULT OF THE FAILURE OF THE PYLON INBOARD MIDSPAR SUPPORT FITTING. THE FITTING HAD CRACKED DUE TO FATIGUE, AND HAD BEEN CRACKED FOR SOME TIME. THE POINT OF CRACKING WAS NOT VISIBLE FOR INSPECTION ON THE WING. THE FITTING IS THE SUBJECT OF FAA AIRWORTHINESS DIRECTIVE 88-24-10 AND BOEING SERVICE BULLETIN 3183 WHICH REQUIRE VISUAL INSPECTION OF THE MIDSPAR FITTING EACH 1500 FLIGHT HOURS OR 600 CYCLES. THIS INSPECTION HAD BEEN COMPLETED ON THE FAILED FITTING ON JANUARY 2, 1992, 821 FLIGHT HOURS AND 328 CYCLES BEFORE THE FAILURE.
Quoted verbatim from the NTSB record.
Other Boeing 707 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 9 Jul 1991 | Boeing 707-323C | Denver, Colorado, United States | Southern Air Transport (Sat) | No injuries | - |
| 2 Aug 1993 | Boeing 707-341 | Miami, Florida, United States | Fast Air Carrier Ltd | No injuries | - |
| 24 Apr 1990 | Boeing 707-321B | Miami, Florida, United States | Operada EN Arrend. POR Ladeco | No injuries | - |
| 26 Jan 1990 | Boeing 707-321B | Cove Neck, New York, United States | Avianca | Fatal | 73 |
| 20 Sep 1990 | Boeing 707-321B | Marana, Arizona, United States | - | Fatal | 1 |
| 8 Feb 1989 | Boeing 707 | Santa Maria, Portugal | Independent Air, Inc. | Fatal | 144 |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 8 Feb 1992 | Cessna 150M | Stuart, Florida, United States | Flight Training International | No injuries | - |
| 9 Feb 1992 | Burch ROTORWAY EXEC | Lakeland, Florida, United States | Ronald W.case | No injuries | - |
| 9 Feb 1992 | Piper PA-32-260 | Kissimmee, Florida, United States | Perman, William | No injuries | - |
| 10 Feb 1992 | Piper PA-28-161 | New Smyrna Bch, Florida, United States | ACS, Inc. | No injuries | - |
| 21 Feb 1992 | Cessna 172N | Orlando, Florida, United States | Flight Express, Inc. | No injuries | - |
| 8 Feb 1992 | Cessna 152 | Perry, Florida, United States | Comair Aviation Academy | No injuries | - |