# NTSB MIA76AM101: Boeing 727-35, N4622, Miami, FL, August 4, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 4, 1976
- Place: Miami, FL · MIAMI, FL
- Location: 25.7743° N, 80.1937° W: Placed by OpenAirDocs: center of Miami, FL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=25.7743&lon=-80.1937&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 7 uninjured
- Status: Completed, report January 17, 1977
- Report: Brief approved by the director
- Safety recommendations: Yes
- NTSB case key (mKey): 79466
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA76AM101
- Page: https://openairdocs.org/ntsb/MIA76AM101

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0026   76/8/4    MIAMI,FL            BOEING 727-35       CR-  0  0  7  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 0100                    N4622               PX-  0  0  0                            52, 17742 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            5194 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - MIAMI INTL
        OPERATOR - NATIONAL AIRLINES,INC
        DEPARTURE POINT             INTENDED DESTINATION
          FT LAUDERDALE,FL            MIAMI,FL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              LANDING: INITIAL APPROACH
           GEAR RETRACTED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: NORMAL RETRACTION/EXTENSION ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - CORRODED/CORROSION
        REMARKS- UPLOCK UNIVERSAL BLOCK P/N 65-24488-1 LT MAIN LANDING GR SEPARATED FROM STRESS CORROSION,CRACKING.
```

## Aircraft

- Registration: N4622 (not matched to a registry record)
- Reported make and model: BOEING 727-35
- Category: Airplane
- Engines: turbo fan
- Damage: Substantial damage
- Airport: Miami Intl

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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