# NTSB IAD77AA065: Learjet 25B, N999HG, Sanford, NC, September 8, 1977

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 8, 1977
- Place: Sanford, NC · SANFORD, NC
- Location: 35.4799° N, 79.1803° W: Placed by OpenAirDocs: center of Sanford, NC, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.4799&lon=-79.1803&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 5 fatal
- Status: Completed, report October 27, 1979
- Safety recommendations: Yes
- NTSB case key (mKey): 79892
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD77AA065
- Board report AAR7915 (PDF): https://www.ntsb.gov/investigations/AccidentReports/Reports/AAR7915.pdf
- Page: https://openairdocs.org/ntsb/IAD77AA065

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4205   77/9/8    SANFORD,NC          LEARJET 25B         CR-  2  0  0  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 2020                    N999HG              PX-  3  0  0  CORP/EXEC                 40, 9364 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - SANFORD-LEE CNTY
        DEPARTURE POINT             INTENDED DESTINATION
          SANFORD,NC                  FLINT,MI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           FIRE OR EXPLOSION: IN FLIGHT                             IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - *ERROR-INVALID CODE*
         FIRE AFTER IMPACT
        REMARKS- LOW ORDER EXPLOSIONS,AFT FUSELAGE.BATTERIES GASES,FUEL LEAKAGE,OR BOTH,COULD HAVE BEEN PRESENT.
```

## Aircraft

- Registration: [N999HG](https://openairdocs.org/deregistered/N999HG-2013-06-10), registration cancelled 2013-06-10, S/N 178, built 1974 (OpenAirDocs)
- Reported make and model: LEARJET 25B
- Registry model: [Gates Lear Jet 25B](https://openairdocs.org/model/gates-lear-jet-25b) (registry code 5170511) (OpenAirDocs)
- Registry engine: [GE CJ610-SER series](https://openairdocs.org/engine/ge-cj610-ser-series) (registry code 30006, turbo-jet) (OpenAirDocs)
- Category: Airplane
- Engines: turbo jet
- Damage: Destroyed
- Airport: Sanford-Lee Cnty

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19770908043549A](https://openairdocs.org/incident/19770908043549A), Sep 8, 1977: Lear 25B, NC, Destroyed

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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