# NTSB FTW71AF044: Boeing 727, N4749, St.Petersburg, FL, February 7, 1971

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: February 7, 1971
- Place: St.Petersburg, FL · ST.PETERSBURG, FL
- Location: 27.7709° N, 82.6793° W: Placed by OpenAirDocs: center of St. Petersburg, FL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=27.7709&lon=-82.6793&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor, 80 uninjured
- Status: Completed, report October 13, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 159464
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW71AF044
- Page: https://openairdocs.org/ntsb/FTW71AF044

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0046   71/2/7  NR.ST.PETERSBURG,FLA  BOEING 727          CR-  0  1  6  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1954                    N4749               PX-  0  0 75                            44, 13526 TOTAL HOURS,
                                       DAMAGE-NONE         OT-  0  0  0                            2121 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        OPERATOR - NATIONAL AIRLINES,INC
        DEPARTURE POINT             INTENDED DESTINATION
          TAMPA,FLA                   NEW ORLEANS,LA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           TURBULENCE                                               IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           WEATHER - TURBULENCE, ASSOCIATED W/CLOUDS AND/OR THUNDERSTORMS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEAT BELT SIGN ON
        WEATHER BRIEFING - COMPANY DISPATCH
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          ZERO                                                     THUNDERSTORM
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          NONE                                                     VFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- PLT ALLOWED CABIN SERVICE IN KNOWN AREA OF POSSIBLE TURB PER COMPANY POLICY.
```

## Aircraft

- Registration: [N4749](https://openairdocs.org/deregistered/N4749-1996-12-12), registration cancelled 1996-12-12, S/N 19469 (OpenAirDocs)
- Reported make and model: BOEING 727
- Registry model: [Boeing 727-235](https://openairdocs.org/model/boeing-727-235) (registry code 138408B) (OpenAirDocs)
- Category: Airplane
- Engines: turbo fan
- Damage: No damage

## Other investigations on N4749 (1)

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.

- [NTSB ATL80IA067](https://openairdocs.org/ntsb/ATL80IA067), Jul 4, 1980: Boeing 727 (N4749), Richmond, VA, incident, no damage

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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