# AD 66-07-05: Electric Landing Gear

- Type: Airworthiness directive
- Status: Current
- Products: Mooney M20C, M20D and M20E
- Effective: March 26, 1966
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-201
- Registered aircraft: 2,190 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BF7D60E2FC6B89B286256A3B006F47E6.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/66-07-05

## The airworthiness directive

66-07-05 MOONEY: Amdt. 39-201, Part 39, Federal Register February 24, 1966. Applies to Models M20C, Serial Numbers 2663, 2808, 2816, 2825, 2863, 2913, 2920, 2930, 2945, 2957, 2960, 2961, 2969, 2971, 2995, 2998, 2999, 3002, 3008, 3018, 3019, 3021, 3040, 3050, 3056, 3065, 3084, 3086, 3136, 3146; M20D; M20E, Serial Numbers 309, 431, 461, 494, 528, 529, 536, 538, 544, 545, 551, 553, 554, 558, 571, 573, 577, 579, 580, 582, 584, 586, 587, 589, 599, 602, 604, 606, 614, 615, 620, 625, 627, 636, 637, 639, 641, 646, 650, 652, 653, 654, 657, 658, 666, 668, 669, 675, 677, 686, 690, 694, 711, 718, 720, 721, 726, 730, 737, 744, 747, 751, 752, 756, 758, 761, 772, 781, 782, 785, 787, 809, 812, 813; Airplanes Equipped with Mooney Aircraft Company Electrically Actuated Landing Gear. Compliance required within the next 100 hours' time in service or at the next periodic inspection, whichever comes first, after the effective date of this AD, unless already accomplished. To prevent further instancesof inoperative aural gear warning, modify electric gear warning wiring system in accordance with Mooney Aircraft Service Letter No. 20-130, dated September 29, 1965, or later FAA-approved revision. This directive effective March 26, 1966.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 2A3](https://openairdocs.org/tcds/2A3): Mooney International Corporation; names 3 of 17 models: M20E, M20D, M20C

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 2,190 (2,190 by airframe model, 0 by engine model)
- Makers: Mooney 2,175, Aerostar Acft Corp Of Texas 15

Models with the most aircraft:

- [Mooney M20C](https://openairdocs.org/model/mooney-m20c): 1,258 aircraft (airframe model)
- [Mooney M20E](https://openairdocs.org/model/mooney-m20e): 829 aircraft (airframe model)
- [Mooney M20D](https://openairdocs.org/model/mooney-m20d): 88 aircraft (airframe model)
- [Aerostar Acft Corp Of Texas M20E](https://openairdocs.org/model/aerostar-acft-corp-of-texas-m20e): 9 aircraft (airframe model)
- [Aerostar Acft Corp Of Texas M20C](https://openairdocs.org/model/aerostar-acft-corp-of-texas-m20c): 6 aircraft (airframe model)

All 5 models: https://openairdocs.org/ad/66-07-05/models.md
Every aircraft: https://openairdocs.org/ad/66-07-05/aircraft.md

Its text cites no advisory circulars or STCs.

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