Hiller H-23D N3201F
12 September 1983 · Humble, Texas, United States · No injuries
Summary
On 12 September 1983 at about 15:30 local time, a Hiller H-23D registered N3201F was involved in an accident near Humble, Texas, United States. One person was on board and nobody was injured. The aircraft was substantially damaged. No probable cause statement is available for this record.
The record
- Date
- at 15:30
- Classification
- Accident
- Location
- Humble, Texas, United States
- Coordinates
- 29.9896, -95.2607
- Aircraft
- Hiller H-23D
- Registration
- N3201F
- Category
- Helicopter
- Engines
- 1
- Operator
- Not recorded
- Operating rule
- Part 133: Rotorcraft Ext. Load
- Purpose of flight
- Other Work Use
- Phase of flight
- Not recorded
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- FTW83LA085
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 0 | 0 | 0 | 1 |
Probable cause
The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.
Nothing about the cause is stated here that is not in the source record.
Read the full NTSB narrative
THE HELICOPTER MADE A HARD AUTOROTATIVE LANDING AFTER A POWER LOSS. THE PILOT STATED HE WAS HOVERING ABOUT 75 FT AGL WAITING FOR GROUND PERSONNEL TO ATTACH A LINE TO HIS EXTERNAL SLING LOAD WHEN THE ENGINE DECELERATED TO FLT IDLE AND HE COULD NOT REGAIN POWER. HE INITIATED AN AUTOROTATION BUT THE RPM HAD DECAYED AND A HARD LANDING RESULTED. AFTER THE ACCIDENT THE PILOT SAID HE FOUND THE PY ACCUMULATOR FROM THE ENGINE GOVERNOR LAYING ON THE GROUND A SHORT DISTANCE FROM THE HELICOPTER. AFTER THE ACCIDENT BEFORE FINDING THE ACCUMULATOR THE PILOT HAD STARTED THE ENGINE. HE STATED IT RAN OK BUT WOULD NOT ACCELERATE ABOVE 30 PERCENT. INVESTIGATION REVEALED THAT THE ALLISON 250 TURBINE WILL OPERATE AT ONLY ABOUT 30 PERCENT OF ITS RATED RPM WITHOUT THE PY ACCUMULATOR. THE PILOT THOUGHT THE ACCUMULATOR SHOULD BE SAFETY ATTACHED TO PRECLUDE SEPARATION FROM VIBRATION. THE PILOT SAID THAT THE SUBJECT PARTS HAD BEEN REINSTALLED ON HIS HELICOPTER AFTER REMOVAL FOR MAINTENANCE ONLY 2 AND ONE HALF HRS PRIOR TO THE CRASH.
Quoted verbatim from the NTSB record.
Other Hiller H-23D accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 9 Jul 1984 | Hiller H-23D | Neelyville, Missouri, United States | - | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 16 Apr 1983 | Douglas DC-8-63F | Dfw Airport, Texas, United States | - | No injuries | - |
| 29 Aug 1983 | Cessna 140 | Hitchcock, Texas, United States | - | No injuries | - |
| 30 Aug 1983 | Aero Commander S2R | Katy, Texas, United States | - | No injuries | - |
| 31 Aug 1983 | Grumman G-164B | East Bernard, Texas, United States | - | Minor injuries | - |
| 23 Sep 1983 | Boeing 727-223B | Dallas/Ft Worth, Texas, United States | American Airlines, Inc. | Minor injuries | - |
| 3 Mar 1983 | Cessna 152 | Killeen, Texas, United States | - | No injuries | - |