# NTSB IAD74II007: Douglas DC-9, N3310L, Chattanooga, TN, July 31, 1973

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: July 31, 1973
- Place: Chattanooga, TN · CHATTANOOGA, TN
- Location: 35.0456° N, 85.3097° W: Placed by OpenAirDocs: center of Chattanooga, TN, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.0456&lon=-85.3097&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 56 uninjured
- Status: Completed, report November 1, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 188776
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD74II007
- Page: https://openairdocs.org/ntsb/IAD74II007

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0022  73/7/31    CHATTANOOGA,TENN    DOUGLAS DC-9        CR-  0  0  4  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 0548                    N3310L              PX-  0  0 52                            38, 7500 TOTAL HOURS,
                                       DAMAGE-MINOR        OT-  0  0  0                            1500 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - LOVELL
        OPERATOR - DELTA AIR LINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          ATLANTA,GA                  CHATTANOOGA,TENN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           OVERSHOOT                                                LANDING: LEVEL OFF/TOUCHDOWN
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND SPEED
           PILOT IN COMMAND - FAILED TO INITIATE GO-AROUND
           MISCELLANEOUS - EVASIVE MANEUVER TO AVOID COLLISION
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: WET RUNWAY
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - HYDROPLANING ON WET RUNWAY
        REMARKS- LND MORE THAN HALFWAY DWN RWY. INTNTL R TURN NEAR RWY END TO AVOID APCH LTS. LCLZR BACK CRSE APCH.
```

## Aircraft

- Registration: [N3310L](https://openairdocs.org/deregistered/N3310L-1999-02-10), registration cancelled 1999-02-10, S/N 45705 (OpenAirDocs)
- Reported make and model: DOUGLAS DC-9
- Registry model: [Douglas DC-9-14](https://openairdocs.org/model/douglas-dc-9-14) (registry code 3022034) (OpenAirDocs)
- Category: Airplane
- Engines: turbo fan
- Damage: Minor damage
- Airport: Lovell

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.