# NTSB IAD74II024: Boeing 727, Washington, DC, November 7, 1973

- Type: NTSB incident investigation
- Date: November 7, 1973
- Place: Washington, DC · WASHINGTON, DC
- Location: 38.8951° N, 77.0364° W: Placed by OpenAirDocs: center of Washington, DC, within about 6 miles (OpenAirDocs)
- Highest injury: No injuries
- Injuries: 115 uninjured
- Status: Completed
- Report: DirectorBrief, December 5, 1973
- NTSB case key (mKey): 187729
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD74II024
- Page: https://openairdocs.org/ntsb/IAD74II024

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0024   73/11/7   WASHINGTON,DC       BOEING 727          CR-  0  0  7  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 2123                    N7435               PX-  0  0108                            UNK/NR, UNK/NR TOTAL
                                       DAMAGE-MINOR        OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - WASHINGTON NATL
        OPERATOR - NATIONAL AIRLINES,INC
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          JAMAICA,NY                  NORFOLK,VA                   WASHINGTON,DC
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE,SPEED,AND ALTITUDE
           PILOT IN COMMAND - IMPROPER LEVEL OFF
           PILOT IN COMMAND - FAILED TO INITIATE GO-AROUND
        FACTOR(S)
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           PERSONNEL - DISPATCHING (AIR CARRIER ONLY): DISPATCHED FLIGHT OVERWEIGHT/IMPROPER CENTER OF GRAVITY
           MISCELLANEOUS ACTS,CONDITIONS - POORLY PLANNED APPROACH
        REMARKS- EXCESSIVE RATE DESCENT ON FINAL APCH. AFT SECTION STRUCK RWY.OVER LDG GROSS WT ABT 6100 LBS.
```

## Sequence of events

- Landing-flare/touchdown

## Aircraft

- Registration: N7435, a cancelled registration (https://openairdocs.org/deregistered/N7435-1985-08-01) (OpenAirDocs)
- Reported make and model: BOEING 727
- Registry model: Vickers VISCOUNT 797 (registry code 9470404, https://openairdocs.org/model/vickers-viscount-797) (OpenAirDocs)
- Category: Airplane
- Damage: Minor damage
- Airport: WASHINGTON NATL

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

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From OpenAirDocs.org, an independent open copy of NTSB and FAA data. The NTSB's own report is the official record of an investigation.