Hiller Acft UH-12E N9781C
28 April 1975 · San Juan, Puerto Rico, United States · No injuries
Summary
On 28 April 1975, a Hiller Acft UH-12E registered N9781C, operated by Puerto Rico WA, was involved in an accident during in flight near San Juan, Puerto Rico, United States. 2 people were on board and nobody was injured. The aircraft was substantially damaged. No probable cause statement is available for this record.
The record
- Date
- Classification
- Accident
- Location
- San Juan, Puerto Rico, United States
- Nearest airport
- Puerto Rico Intl
- Coordinates
- Not recorded
- Aircraft
- Hiller Acft UH-12E
- Registration
- N9781C
- Category
- Helicopter
- Engines
- 1
- Operator
- Puerto Rico WA
- Operating rule
- Federal-Public Aircraft
- Purpose of flight
- Test
- Phase of flight
- In Flight
- Route
- S → Local
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Daylight
- NTSB number
- 3-1590
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 0 | 0 | 2 |
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
CYCLIC RODS IMPROPERLY CONNECTED TO BELLCRANKS.MOVEMENT IN FORE AFT DIR RESULTED LATERAL CTL INPUT
Quoted verbatim from the NTSB record.
Other Hiller Acft UH-12E accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 21 Jul 1975 | Hiller Acft UH-12E | Kenai, Alaska, United States | Evergreen Heli | No injuries | - |
| 15 Sep 1975 | Hiller Acft UH-12E | Randle, Washington, United States | Evergreen Heli | No injuries | - |
| 13 Aug 1975 | Hiller Acft UH-12E | Forks, Washington, United States | HI Life Helico | No injuries | - |
| 6 Aug 1975 | Hiller Acft UH-12E | Douglas, Alaska, United States | Livingston HEL | Minor injuries | - |
| 17 Apr 1975 | Hiller Acft UH-12E | King City, California, United States | Verticare | No injuries | - |
| 2 Jul 1975 | Hiller Acft UH-12E | Yakataga, Alaska, United States | Dave Marks | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 5 Jan 1975 | Stinson 108 | Vermillion, Minnesota, United States | - | No injuries | - |
| 1 Mar 1975 | Bensen B8M | Ocotillo Wells, California, United States | - | Fatal | 1 |
| 18 Mar 1975 | Cessna 182 | Glenville, West Virginia, United States | - | No injuries | - |
| 13 Mar 1975 | Aero Comdr 1121 | Tullahoma, Tennessee, United States | Thermonetics I | Minor injuries | - |
| 17 May 1975 | Cessna 177 | West Milford, New Jersey, United States | - | No injuries | - |
| 1 Jun 1975 | Bell 206B | St Martinville, Louisiana, United States | Air Marine, Inc | No injuries | - |