# NTSB IAD71II047: Nihon YS-11A, Winston-Salem, NC, April 5, 1971

- Type: NTSB incident investigation
- Date: April 5, 1971
- Place: Winston-Salem, NC · WINSTON-SALEM, NC
- Location: 36.0999° N, 80.2442° W: Placed by OpenAirDocs: center of Winston-Salem, NC, within about 7 miles (OpenAirDocs)
- Highest injury: No injuries
- Injuries: 16 uninjured
- Status: Completed
- Report: DirectorBrief, April 10, 1972
- NTSB case key (mKey): 161312
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD71II047
- Page: https://openairdocs.org/ntsb/IAD71II047

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0017   71/4/5    WINSTON-SALEM,NC    NIHON YS-11A        CR-  0  0  4  SCHED DOM PASSG SRV       ATP,FLIGHT INSTR., AGE
        TIME - 1036                    N245P               PX-  0  0 12                            45, 19210 TOTAL HOURS,
                                       DAMAGE-MINOR        OT-  0  0  0                            1550 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - SMITH REYNOLDS
        OPERATOR - PIEDMONT AVIATION,INC.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          KNOXVILLE,TENN              WASHINGTON,DC                ROANOKE,VA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: NORMAL RETRACTION/EXTENSION ASSEMBLY
           AIRFRAME - LANDING GEAR: EMERGENCY/EXTENSION ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - JAMMED
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - INTENTIONAL WHEELS-UP
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - LANDED ON FOAMED RUNWAY
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- UN LOWER L MLG.BOLTS OF L GR DOOR ACTUATOR BAR SHEARED ALLOWED DOORS TO CLOSE WITH GR UP.
```

## Sequence of events

- Landing-flare/touchdown

## Aircraft

- Registration: N245P (not matched to a registry record)
- Reported make and model: NIHON YS-11A
- Category: Airplane
- Damage: Minor damage
- Airport: SMITH REYNOLDS

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.

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