# Hughes/Drees David Lee OH6A

- Type: Aircraft model (FAA registry)
- Registry code: 4470902
- Manufacturer (registry): HUGHES/DREES DAVID LEE
- Model: OH6A
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 1 · Turbo-shaft
- Seats: 4
- Weight class: Up to 12,499 lb
- Certification: Type certificated
- Registered aircraft: 0
- Page: https://openairdocs.org/model/hughes-drees-david-lee-oh6a

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft

None registered with this model now.

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## Service difficulty reports (6)

As reported by operators and repair stations, by the model named in the report.

- [SDR R81R2016FA0000014](https://openairdocs.org/sdr/R81R2016FA0000014), Jan 8, 2016: ABRASION STRIP. DEPARTED. PILOT REPORTED NOISE THEN IMMEDIATE SEVERE VIBRATION WHILE TRANSITIONING FROM HOVER TO FWD FLIGHT APPORXIMATELY 12" ABOVE GROUND TO ROTOR. ACFT WAS LANDED WITHO
- [SDR 98ZZZX1880](https://openairdocs.org/sdr/98ZZZX1880), Apr 2, 1998: DAMPENER SUPPORT. CRACKED. DURING A 300-HOUR INSPECTION, A CRACK WAS NOTICED ON THE TAIL ROTOR DRIVE SHAFT DAMPENER SUPPORT. AFTER REMOVING TAIL BOOM, THE CRACK WAS ABOUT .75 INCHES LONG 
- [SDR 98ZZZX1390](https://openairdocs.org/sdr/98ZZZX1390), Mar 6, 1998: SKIN. CRACKED. DURING AN INSPECTION, A 4 INCH CRACK WAS FOUND ON TOP OF HORIZONTAL STABILIZER INBOARD OF THE HORIZONTAL SUPPPORT BRACKET. THE SKIN OF THE HORIZONTAL STABILIZER
- [SDR 98ZZZX1389](https://openairdocs.org/sdr/98ZZZX1389), Mar 6, 1998: SKIN. CRACKED. DURING INSPECTION, A 1 INCH CRACK WAS FOUND ON TOP OF THE HORIZONTAL STABILIZER. ALSO, A .25 INCH CRACK WAS FOUND SAME AREA, BUT ON BOTTOM SIDE OF HORIZONTAL ST
- [SDR 96ZZZX5617](https://openairdocs.org/sdr/96ZZZX5617), Oct 1, 1996: REGULATOR. FAILED. SHORTLY AFTER TAKEOFF, VOLTAGE REGULATOR FAILURE CONTRIBUTED TO SLIGHT SMOKE EMITTING FROM COMPONENT. PRECAUTIONARY LANDING MADE, W/H CONNECTOR DISCONNECTED FRO
- [SDR 96ZZZX1385](https://openairdocs.org/sdr/96ZZZX1385), Jan 22, 1996: ELT. WIRE BROKEN. WEAK TRANSMISSION BATTERY VOLTAGE GOOD. WIRE BROKEN OFF ANTENNA CONNECTOR INSIDE TRANSMITTER FROM CIRCUIT BOARD. RETURNED TO MANUFACTURER FOR REPAIR.

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Hughes OH-6A](https://openairdocs.org/model/hughes-oh-6a): 24 registered aircraft, registry code 4470905
- [Jerry D Laza OH6-A (369A)](https://openairdocs.org/model/jerry-d-laza-oh6-a-369a): 1 registered aircraft, registry code 056344B
- [Hughes/Mastrianni Robert OH-6A](https://openairdocs.org/model/hughes-mastrianni-robert-oh-6a): 0 registered aircraft, registry code 4470906

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