# NTSB UNK79X0111: Boeing 747, N617US, Frankfurt, Georgia, April 16, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 16, 1979
- Place: Frankfurt, Georgia · FRANKFURT, Germany
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report February 2, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 136497
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK79X0111
- Page: https://openairdocs.org/ntsb/UNK79X0111

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0005  79/4/16    FRANKFURT,GERMANY   BOEING 747          CR-  0  0  4  SCHED INTERNATL CARGO SRV AIRLINE TRANSPORT, AGE
        TIME - 1455                    N617US              PX-  0  0  0                            55, 22678 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            393 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - FRANKFORT MAIN
        OPERATOR - SEABOARD WORLD AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          FRANKFURT,GERMANY           AMSTERDAM,NETHERLAND
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           GEAR COLLAPSED                                           TAKEOFF: ABORTED
        FACTOR(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
           AIRFRAME - LANDING GEAR: NOSEWHEEL STEERING
           MISCELLANEOUS ACTS,CONDITIONS - PRESSURE TOO LOW
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: WET RUNWAY
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SOFT SHOULDERS
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: HIDDEN HAZARD
        REMARKS- COLLIDED W CONCRETE COVERED CABLE DUCT.INVEST & REPORTED BY THE GOVT OF GERMANY.
```

## Aircraft

- Registration: [N617US](https://openairdocs.org/aircraft/N617US), registered now, S/N 21121, built 1975 (OpenAirDocs)
- Reported make and model: BOEING 747
- Registry model: [Boeing 747-251F](https://openairdocs.org/model/boeing-747-251f) (registry code 1384898) (OpenAirDocs)
- Registry engine: [Pratt & Whitney JT9D-3A](https://openairdocs.org/engine/pratt-whitney-jt9d-3a) (registry code 52050, turbo-fan) (OpenAirDocs)
- Category: Airplane
- Engines: turbo fan
- Damage: Substantial damage
- Airport: Frankfort Main

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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